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weituotian:
这篇文章真的很好阿
C#利用反射,遍历获得一个类的所有属性名,以及该类的实例的所有属性的值 -
clshuai:
博主,你好,看了你的这篇文章,让我很敬佩。可谓内容之全,涵盖范 ...
C#操作Excel -
devilhand:
DataGridView刷新数据的问题 -
devilhand:
DataGridView刷新数据的问题 -
devilhand:
DataGridView刷新数据的问题
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Runtime.InteropServices; using Excel = Microsoft.Office.Interop.Excel; using System.Diagnostics; using System.IO; using System.Collections; using System.Data; namespace Core.Helper { /// <summary> /// excel操作类 /// 开发环境:2007 /// </summary> public class ExcelHelper : IDisposable { #region 构造函数 /// <summary> /// 构造函数,将一个已有Excel工作簿作为模板,并指定输出路径 /// </summary> /// <param name="templetFilePath">Excel模板文件路径</param> /// <param name="outputFilePath">输出Excel文件路径</param> public ExcelHelper(string templetFilePath, string outputFilePath) { if (templetFilePath == null) throw new Exception("Excel模板文件路径不能为空!"); if (outputFilePath == null) throw new Exception("输出Excel文件路径不能为空!"); if (!File.Exists(templetFilePath)) throw new Exception("指定路径的Excel模板文件不存在!"); this.templetFile = templetFilePath; this.outputFile = outputFilePath; excelApp = new Excel.ApplicationClass(); excelApp.Visible = false; excelApp.DisplayAlerts = false; excelApp.AlertBeforeOverwriting = false; //打开模板文件,得到WorkBook对象 workBook = excelApp.Workbooks.Open(templetFile, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, Type.Missing, Type.Missing); //得到WorkSheet对象 workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(1); } DateTime beforeTime; DateTime afterTime; /// <summary> /// 构造函数,打开一个已有的工作簿 /// </summary> /// <param name="fileName">Excel文件名</param> public ExcelHelper(string fileName) { if (!File.Exists(fileName)) throw new Exception("指定路径的Excel文件不存在!"); //创建一个Application对象并使其可见 beforeTime = DateTime.Now; excelApp = new Excel.ApplicationClass(); excelApp.Visible = false; excelApp.DisplayAlerts = false; excelApp.AlertBeforeOverwriting = false; //打开一个WorkBook workBook = excelApp.Workbooks.Open(fileName, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing); afterTime = DateTime.Now; //得到WorkSheet对象 workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(1); } /// <summary> /// 构造函数,新建一个工作簿 /// </summary> public ExcelHelper() { beforeTime = DateTime.Now; excelApp = new Excel.ApplicationClass(); afterTime = DateTime.Now; excelApp.Visible = false; //设置禁止弹出保存和覆盖的询问提示框 excelApp.DisplayAlerts = false; excelApp.AlertBeforeOverwriting = false; //新建一个WorkBook workBook = excelApp.Workbooks.Add(Type.Missing); //得到WorkSheet对象 workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(1); } #endregion #region 成员变量 private string templetFile = null; private string outputFile = null; private object missing = System.Reflection.Missing.Value; Excel.Application excelApp; Excel.Workbook workBook; Excel.Worksheet workSheet; Excel.Range range; Excel.Range range1; Excel.Range range2; Excel.TextBox textBox; private int sheetCount = 1; //WorkSheet数量 private string sheetPrefixName = "页"; #endregion #region 公共属性 /// <summary> /// WorkSheet前缀名,比如:前缀名为“页”,那么WorkSheet名称依次为“页-1,页-2...” /// </summary> public string SheetPrefixName { set { this.sheetPrefixName = value; } } /// <summary> /// WorkSheet数量 /// </summary> public int WorkSheetCount { get { return workBook.Sheets.Count; } } /// <summary> /// Excel模板文件路径 /// </summary> public string TempletFilePath { set { this.templetFile = value; } } /// <summary> /// 输出Excel文件路径 /// </summary> public string OutputFilePath { set { this.outputFile = value; } } #endregion #region 公共方法 #region Data Export Methods /// <summary> /// 将DataTable数据写入Excel文件(自动分页) /// </summary> /// <param name="dt">DataTable</param> /// <param name="rows">每个WorkSheet写入多少行数据</param> /// <param name="top">表格数据起始行索引</param> /// <param name="left">表格数据起始列索引</param> public void DataTableToExcel(DataTable dt, int rows, int top, int left) { int rowCount = dt.Rows.Count; //DataTable行数 int colCount = dt.Columns.Count; //DataTable列数 sheetCount = this.GetSheetCount(rowCount, rows); //WorkSheet个数 // StringBuilder sb; //复制sheetCount-1个WorkSheet对象 for (int i = 1; i < sheetCount; i++) { workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i); workSheet.Copy(missing, workBook.Worksheets[i]); } for (int i = 1; i <= sheetCount; i++) { int startRow = (i - 1) * rows; //记录起始行索引 int endRow = i * rows; //记录结束行索引 //若是最后一个WorkSheet,那么记录结束行索引为源DataTable行数 if (i == sheetCount) endRow = rowCount; //获取要写入数据的WorkSheet对象,并重命名 workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i); workSheet.Name = sheetPrefixName + "-" + i.ToString(); //将dt中的数据写入WorkSheet // for(int j=0;j<endRow-startRow;j++) // { // for(int k=0;k<colCount;k++) // { // workSheet.Cells[top + j,left + k] = dt.Rows[startRow + j][k].ToString(); // } // } //利用二维数组批量写入 int row = endRow - startRow; object[,] ss = new object[row, colCount]; for (int j = 0; j < row; j++) { for (int k = 0; k < colCount; k++) { ss[j, k] = dt.Rows[startRow + j][k].ToString(); } } range = (Excel.Range)workSheet.Cells[top, left]; range = range.get_Resize(row, colCount); range.Value2 = ss; #region 利用Windwo粘贴板批量拷贝数据(在Web下面行不通) /*sb = new StringBuilder(); for(int j=0;j<endRow-startRow;j++) { for(int k=0;k<colCount;k++) { sb.Append( dt.Rows[startRow + j][k].ToString() ); sb.Append("\t"); } sb.Append("\n"); } System.Windows.Forms.Clipboard.SetDataObject(sb.ToString()); range = (Excel.Range)workSheet.Cells[top,left]; workSheet.Paste(range,false);*/ #endregion } } /// <summary> /// 将DataTable数据写入Excel文件(不分页) /// </summary> /// <param name="dt">DataTable</param> /// <param name="top">表格数据起始行索引</param> /// <param name="left">表格数据起始列索引</param> public void DataTableToExcel(DataTable dt, int top, int left) { int rowCount = dt.Rows.Count; //DataTable行数 int colCount = dt.Columns.Count; //DataTable列数 //利用二维数组批量写入 object[,] arr = new object[rowCount, colCount]; for (int j = 0; j < rowCount; j++) { for (int k = 0; k < colCount; k++) { arr[j, k] = dt.Rows[j][k].ToString(); } } range = (Excel.Range)workSheet.Cells[top, left]; range = range.get_Resize(rowCount, colCount); range.Value2 = arr; } public void DataTableToExcel(DataTable dt, int top, int left, Excel.Worksheet objSheet) { int rowCount = dt.Rows.Count; //DataTable行数 int colCount = dt.Columns.Count; //DataTable列数 //利用二维数组批量写入 object[,] arr = new object[rowCount, colCount]; for (int j = 0; j < rowCount; j++) { for (int k = 0; k < colCount; k++) { arr[j, k] = dt.Rows[j][k].ToString(); } } range = (Excel.Range)objSheet.Cells[top, left]; range = range.get_Resize(rowCount, colCount); range.Value2 = arr; } /// <summary> /// 将DataTable数据写入Excel文件(自动分页,并指定要合并的列索引) /// </summary> /// <param name="dt">DataTable</param> /// <param name="rows">每个WorkSheet写入多少行数据</param> /// <param name="top">表格数据起始行索引</param> /// <param name="left">表格数据起始列索引</param> /// <param name="mergeColumnIndex">DataTable中要合并相同行的列索引,从0开始</param> public void DataTableToExcel(DataTable dt, int rows, int top, int left, int mergeColumnIndex) { int rowCount = dt.Rows.Count; //源DataTable行数 int colCount = dt.Columns.Count; //源DataTable列数 sheetCount = this.GetSheetCount(rowCount, rows); //WorkSheet个数 // StringBuilder sb; //复制sheetCount-1个WorkSheet对象 for (int i = 1; i < sheetCount; i++) { workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i); workSheet.Copy(missing, workBook.Worksheets[i]); } for (int i = 1; i <= sheetCount; i++) { int startRow = (i - 1) * rows; //记录起始行索引 int endRow = i * rows; //记录结束行索引 //若是最后一个WorkSheet,那么记录结束行索引为源DataTable行数 if (i == sheetCount) endRow = rowCount; //获取要写入数据的WorkSheet对象,并重命名 workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i); workSheet.Name = sheetPrefixName + "-" + i.ToString(); //将dt中的数据写入WorkSheet // for(int j=0;j<endRow-startRow;j++) // { // for(int k=0;k<colCount;k++) // { // workSheet.Cells[top + j,left + k] = dt.Rows[startRow + j][k].ToString(); // } // } //利用二维数组批量写入 int row = endRow - startRow; object[,] ss = new object[row, colCount]; for (int j = 0; j < row; j++) { for (int k = 0; k < colCount; k++) { ss[j, k] = dt.Rows[startRow + j][k].ToString(); } } range = (Excel.Range)workSheet.Cells[top, left]; range = range.get_Resize(row, colCount); range.Value2 = ss; //合并相同行 this.MergeRows(workSheet, left + mergeColumnIndex, top, rows); } } /// <summary> /// 将二维数组数据写入Excel文件(自动分页) /// </summary> /// <param name="arr">二维数组</param> /// <param name="rows">每个WorkSheet写入多少行数据</param> /// <param name="top">行索引</param> /// <param name="left">列索引</param> public void ArrayToExcel(object[,] arr, int rows, int top, int left) { int rowCount = arr.GetLength(0); //二维数组行数(一维长度) int colCount = arr.GetLength(1); //二维数据列数(二维长度) sheetCount = this.GetSheetCount(rowCount, rows); //WorkSheet个数 //复制sheetCount-1个WorkSheet对象 for (int i = 1; i < sheetCount; i++) { workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i); workSheet.Copy(missing, workBook.Worksheets[i]); } //将二维数组数据写入Excel for (int i = sheetCount; i >= 1; i--) { int startRow = (i - 1) * rows; //记录起始行索引 int endRow = i * rows; //记录结束行索引 //若是最后一个WorkSheet,那么记录结束行索引为源DataTable行数 if (i == sheetCount) endRow = rowCount; //获取要写入数据的WorkSheet对象,并重命名 workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i); workSheet.Name = sheetPrefixName + "-" + i.ToString(); //将二维数组中的数据写入WorkSheet // for(int j=0;j<endRow-startRow;j++) // { // for(int k=0;k<colCount;k++) // { // workSheet.Cells[top + j,left + k] = arr[startRow + j,k]; // } // } //利用二维数组批量写入 int row = endRow - startRow; object[,] ss = new object[row, colCount]; for (int j = 0; j < row; j++) { for (int k = 0; k < colCount; k++) { ss[j, k] = arr[startRow + j, k]; } } range = (Excel.Range)workSheet.Cells[top, left]; range = range.get_Resize(row, colCount); range.Value2 = ss; } }//end ArrayToExcel /// <summary> /// 将二维数组数据写入Excel文件(不分页) /// </summary> /// <param name="arr">二维数组</param> /// <param name="top">行索引</param> /// <param name="left">列索引</param> public void ArrayToExcel(object[,] arr, int top, int left) { int rowCount = arr.GetLength(0); //二维数组行数(一维长度) int colCount = arr.GetLength(1); //二维数据列数(二维长度) range = (Excel.Range)workSheet.Cells[top, left]; range = range.get_Resize(rowCount, colCount); range.FormulaArray = arr; }//end ArrayToExcel /// <summary> /// 将二维数组数据写入Excel文件(不分页) /// </summary> /// <param name="arr">二维数组</param> /// <param name="top">行索引</param> /// <param name="left">列索引</param> /// <param name="isFormula">填充的数据是否需要计算</param> public void ArrayToExcel(object[,] arr, int top, int left, bool isFormula) { int rowCount = arr.GetLength(0); //二维数组行数(一维长度) int colCount = arr.GetLength(1); //二维数据列数(二维长度) range = (Excel.Range)workSheet.Cells[top, left]; range = range.get_Resize(rowCount, colCount); //注意:使用range.FormulaArray写合并的单元格会出问题 if (isFormula) range.FormulaArray = arr; else range.Value2 = arr; }//end ArrayToExcel /// <summary> /// 将二维数组数据写入Excel文件(不分页),合并指定列的相同行 /// </summary> /// <param name="arr">二维数组</param> /// <param name="top">行索引</param> /// <param name="left">列索引</param> /// <param name="isFormula">填充的数据是否需要计算</param> /// <param name="mergeColumnIndex">需要合并行的列索引</param> public void ArrayToExcel(object[,] arr, int top, int left, bool isFormula, int mergeColumnIndex) { int rowCount = arr.GetLength(0); //二维数组行数(一维长度) int colCount = arr.GetLength(1); //二维数据列数(二维长度) range = (Excel.Range)workSheet.Cells[top, left]; range = range.get_Resize(rowCount, colCount); //注意:使用range.FormulaArray写合并的单元格会出问题 if (isFormula) range.FormulaArray = arr; else range.Value2 = arr; this.MergeRows(workSheet, mergeColumnIndex, top, rowCount); }//end ArrayToExcel /// <summary> /// 将二维数组数据写入Excel文件(不分页) /// </summary> /// <param name="sheetIndex">工作表索引</param> /// <param name="arr">二维数组</param> /// <param name="top">行索引</param> /// <param name="left">列索引</param> public void ArrayToExcel(int sheetIndex, object[,] arr, int top, int left) { if (sheetIndex > this.WorkSheetCount) { this.KillExcelProcess(false); throw new Exception("索引超出范围,WorkSheet索引不能大于WorkSheet数量!"); } // 改变当前工作表 this.workSheet = (Excel.Worksheet)this.workBook.Sheets.get_Item(sheetIndex); int rowCount = arr.GetLength(0); //二维数组行数(一维长度) int colCount = arr.GetLength(1); //二维数据列数(二维长度) range = (Excel.Range)workSheet.Cells[top, left]; range = range.get_Resize(rowCount, colCount); range.Value2 = arr; }//end ArrayToExcel /// <summary> /// 将二维数组数据写入Excel文件(自动分页,并指定要合并的列索引) /// </summary> /// <param name="arr">二维数组</param> /// <param name="rows">每个WorkSheet写入多少行数据</param> /// <param name="top">行索引</param> /// <param name="left">列索引</param> /// <param name="mergeColumnIndex">数组的二维索引,相当于DataTable的列索引,索引从0开始</param> public void ArrayToExcel(object[,] arr, int rows, int top, int left, int mergeColumnIndex) { int rowCount = arr.GetLength(0); //二维数组行数(一维长度) int colCount = arr.GetLength(1); //二维数据列数(二维长度) sheetCount = this.GetSheetCount(rowCount, rows); //WorkSheet个数 //复制sheetCount-1个WorkSheet对象 for (int i = 1; i < sheetCount; i++) { workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i); workSheet.Copy(missing, workBook.Worksheets[i]); } //将二维数组数据写入Excel for (int i = sheetCount; i >= 1; i--) { int startRow = (i - 1) * rows; //记录起始行索引 int endRow = i * rows; //记录结束行索引 //若是最后一个WorkSheet,那么记录结束行索引为源DataTable行数 if (i == sheetCount) endRow = rowCount; //获取要写入数据的WorkSheet对象,并重命名 workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i); workSheet.Name = sheetPrefixName + "-" + i.ToString(); //将二维数组中的数据写入WorkSheet for (int j = 0; j < endRow - startRow; j++) { for (int k = 0; k < colCount; k++) { workSheet.Cells[top + j, left + k] = arr[startRow + j, k]; } } //利用二维数组批量写入 int row = endRow - startRow; object[,] ss = new object[row, colCount]; for (int j = 0; j < row; j++) { for (int k = 0; k < colCount; k++) { ss[j, k] = arr[startRow + j, k]; } } range = (Excel.Range)workSheet.Cells[top, left]; range = range.get_Resize(row, colCount); range.Value2 = ss; //合并相同行 this.MergeRows(workSheet, left + mergeColumnIndex, top, rows); } }//end ArrayToExcel #endregion #region WorkSheet Methods /// <summary> /// 改变当前工作表 /// </summary> /// <param name="sheetIndex">工作表索引</param> public void ChangeCurrentWorkSheet(int sheetIndex) { //若指定工作表索引超出范围,则不改变当前工作表 if (sheetIndex < 1) return; if (sheetIndex > this.WorkSheetCount) return; this.workSheet = (Excel.Worksheet)this.workBook.Sheets.get_Item(sheetIndex); } /// <summary> /// 隐藏指定名称的工作表 /// </summary> /// <param name="sheetName">工作表名称</param> public void HiddenWorkSheet(string sheetName) { try { Excel.Worksheet sheet = null; for (int i = 1; i <= this.WorkSheetCount; i++) { workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(i); if (workSheet.Name == sheetName) sheet = workSheet; } if (sheet != null) sheet.Visible = Excel.XlSheetVisibility.xlSheetHidden; else { this.KillExcelProcess(false); throw new Exception("名称为\"" + sheetName + "\"的工作表不存在"); } } catch (Exception e) { this.KillExcelProcess(false); throw e; } } /// <summary> /// 隐藏指定索引的工作表 /// </summary> /// <param name="sheetIndex"></param> public void HiddenWorkSheet(int sheetIndex) { if (sheetIndex > this.WorkSheetCount) { this.KillExcelProcess(false); throw new Exception("索引超出范围,WorkSheet索引不能大于WorkSheet数量!"); } try { Excel.Worksheet sheet = null; sheet = (Excel.Worksheet)workBook.Sheets.get_Item(sheetIndex); sheet.Visible = Excel.XlSheetVisibility.xlSheetHidden; } catch (Exception e) { this.KillExcelProcess(false); throw e; } } /// <summary> /// 在指定名称的工作表后面拷贝指定个数的该工作表的副本,并重命名 /// </summary> /// <param name="sheetName">工作表名称</param> /// <param name="sheetCount">工作表个数</param> public void CopyWorkSheets(string sheetName, int sheetCount) { try { Excel.Worksheet sheet = null; int sheetIndex = 0; for (int i = 1; i <= this.WorkSheetCount; i++) { workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(i); if (workSheet.Name == sheetName) { sheet = workSheet; sheetIndex = workSheet.Index; } } if (sheet != null) { for (int i = sheetCount; i >= 1; i--) { sheet.Copy(this.missing, sheet); } //重命名 for (int i = sheetIndex; i <= sheetIndex + sheetCount; i++) { workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(i); workSheet.Name = sheetName + "-" + Convert.ToString(i - sheetIndex + 1); } } else { this.KillExcelProcess(false); throw new Exception("名称为\"" + sheetName + "\"的工作表不存在"); } } catch (Exception e) { this.KillExcelProcess(false); throw e; } } /// <summary> /// 将一个工作表拷贝到另一个工作表后面,并重命名 /// </summary> /// <param name="srcSheetIndex">拷贝源工作表索引</param> /// <param name="aimSheetIndex">参照位置工作表索引,新工作表拷贝在该工作表后面</param> /// <param name="newSheetName"></param> public void CopyWorkSheet(int srcSheetIndex, int aimSheetIndex, string newSheetName) { if (srcSheetIndex > this.WorkSheetCount || aimSheetIndex > this.WorkSheetCount) { this.KillExcelProcess(false); throw new Exception("索引超出范围,WorkSheet索引不能大于WorkSheet数量!"); } try { Excel.Worksheet srcSheet = (Excel.Worksheet)workBook.Sheets.get_Item(srcSheetIndex); Excel.Worksheet aimSheet = (Excel.Worksheet)workBook.Sheets.get_Item(aimSheetIndex); srcSheet.Copy(this.missing, aimSheet); //重命名 workSheet = (Excel.Worksheet)aimSheet.Next; //获取新拷贝的工作表 workSheet.Name = newSheetName; } catch (Exception e) { this.KillExcelProcess(false); throw e; } } /// <summary> /// 根据名称删除工作表 /// </summary> /// <param name="sheetName"></param> public void DeleteWorkSheet(string sheetName) { try { Excel.Worksheet sheet = null; //找到名称位sheetName的工作表 for (int i = 1; i <= this.WorkSheetCount; i++) { workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(i); if (workSheet.Name == sheetName) { sheet = workSheet; } } if (sheet != null) { sheet.Delete(); } else { this.KillExcelProcess(false); throw new Exception("名称为\"" + sheetName + "\"的工作表不存在"); } } catch (Exception e) { this.KillExcelProcess(false); throw e; } } /// <summary> /// 根据索引删除工作表 /// </summary> /// <param name="sheetIndex"></param> public void DeleteWorkSheet(int sheetIndex) { if (sheetIndex > this.WorkSheetCount) { this.KillExcelProcess(false); throw new Exception("索引超出范围,WorkSheet索引不能大于WorkSheet数量!"); } try { Excel.Worksheet sheet = null; sheet = (Excel.Worksheet)workBook.Sheets.get_Item(sheetIndex); sheet.Delete(); } catch (Exception e) { this.KillExcelProcess(false); throw e; } } #endregion #region TextBox Methods /// <summary> /// 向指定文本框写入数据,对每个WorkSheet操作 /// </summary> /// <param name="textboxName">文本框名称</param> /// <param name="text">要写入的文本</param> public void SetTextBox(string textboxName, string text) { for (int i = 1; i <= this.WorkSheetCount; i++) { workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i); try { textBox = (Excel.TextBox)workSheet.TextBoxes(textboxName); textBox.Text = text; } catch { this.KillExcelProcess(false); throw new Exception("不存在ID为\"" + textboxName + "\"的文本框!"); } } } /// <summary> /// 向指定文本框写入数据,对指定WorkSheet操作 /// </summary> /// <param name="sheetIndex">工作表索引</param> /// <param name="textboxName">文本框名称</param> /// <param name="text">要写入的文本</param> public void SetTextBox(int sheetIndex, string textboxName, string text) { workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(sheetIndex); try { textBox = (Excel.TextBox)workSheet.TextBoxes(textboxName); textBox.Text = text; } catch { this.KillExcelProcess(false); throw new Exception("不存在ID为\"" + textboxName + "\"的文本框!"); } } /// <summary> /// 向文本框写入数据,对每个WorkSheet操作 /// </summary> /// <param name="ht">Hashtable的键值对保存文本框的ID和数据</param> public void SetTextBoxes(Hashtable ht) { if (ht.Count == 0) return; for (int i = 1; i <= this.WorkSheetCount; i++) { workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i); foreach (DictionaryEntry dic in ht) { try { textBox = (Excel.TextBox)workSheet.TextBoxes(dic.Key); textBox.Text = dic.Value.ToString(); } catch { this.KillExcelProcess(false); throw new Exception("不存在ID为\"" + dic.Key.ToString() + "\"的文本框!"); } } } } /// <summary> /// 向文本框写入数据,对指定WorkSheet操作 /// </summary> /// <param name="ht">Hashtable的键值对保存文本框的ID和数据</param> public void SetTextBoxes(int sheetIndex, Hashtable ht) { if (ht.Count == 0) return; if (sheetIndex > this.WorkSheetCount) { this.KillExcelProcess(false); throw new Exception("索引超出范围,WorkSheet索引不能大于WorkSheet数量!"); } workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(sheetIndex); foreach (DictionaryEntry dic in ht) { try { textBox = (Excel.TextBox)workSheet.TextBoxes(dic.Key); textBox.Text = dic.Value.ToString(); } catch { this.KillExcelProcess(false); throw new Exception("不存在ID为\"" + dic.Key.ToString() + "\"的文本框!"); } } } #endregion #region Cell Methods /// <summary> /// 向单元格写入数据,对当前WorkSheet操作 /// </summary> /// <param name="rowIndex">行索引</param> /// <param name="columnIndex">列索引</param> /// <param name="text">要写入的文本值</param> public void SetCells(int rowIndex, int columnIndex, string text) { try { workSheet.Cells[rowIndex, columnIndex] = text; } catch { this.KillExcelProcess(false); throw new Exception("向单元格[" + rowIndex + "," + columnIndex + "]写数据出错!"); } } /// <summary> /// 向单元格写入数据,对指定WorkSheet操作 /// </summary> /// <param name="sheetIndex">工作表索引</param> /// <param name="rowIndex">行索引</param> /// <param name="columnIndex">列索引</param> /// <param name="text">要写入的文本值</param> public void SetCells(int sheetIndex, int rowIndex, int columnIndex, string text) { try { this.ChangeCurrentWorkSheet(sheetIndex); //改变当前工作表为指定工作表 workSheet.Cells[rowIndex, columnIndex] = text; } catch { this.KillExcelProcess(false); throw new Exception("向单元格[" + rowIndex + "," + columnIndex + "]写数据出错!"); } } /// <summary> /// 向单元格写入数据,对每个WorkSheet操作 /// </summary> /// <param name="ht">Hashtable的键值对保存单元格的位置索引(行索引和列索引用“,”隔开)和数据</param> public void SetCells(Hashtable ht) { int rowIndex; int columnIndex; string position; if (ht.Count == 0) return; for (int i = 1; i <= this.WorkSheetCount; i++) { workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i); foreach (DictionaryEntry dic in ht) { try { position = dic.Key.ToString(); rowIndex = Convert.ToInt32(position.Split(',')[0]); columnIndex = Convert.ToInt32(position.Split(',')[1]); workSheet.Cells[rowIndex, columnIndex] = dic.Value; } catch { this.KillExcelProcess(false); throw new Exception("向单元格[" + dic.Key + "]写数据出错!"); } } } } /// <summary> /// 向单元格写入数据,对指定WorkSheet操作 /// </summary> /// <param name="ht">Hashtable的键值对保存单元格的位置索引(行索引和列索引用“,”隔开)和数据</param> public void SetCells(int sheetIndex, Hashtable ht) { int rowIndex; int columnIndex; string position; if (sheetIndex > this.WorkSheetCount) { this.KillExcelProcess(false); throw new Exception("索引超出范围,WorkSheet索引不能大于WorkSheet数量!"); } if (ht.Count == 0) return; workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(sheetIndex); foreach (DictionaryEntry dic in ht) { try { position = dic.Key.ToString(); rowIndex = Convert.ToInt32(position.Split(',')[0]); columnIndex = Convert.ToInt32(position.Split(',')[1]); workSheet.Cells[rowIndex, columnIndex] = dic.Value; } catch { this.KillExcelProcess(false); throw new Exception("向单元格[" + dic.Key + "]写数据出错!"); } } } /// <summary> /// 设置单元格为可计算的 /// </summary> /// <remarks> /// 如果Excel的单元格格式设置为数字,日期或者其他类型时,需要设置这些单元格的FormulaR1C1属性, /// 否则写到这些单元格的数据将不会按照预先设定的格式显示 /// </remarks> /// <param name="arr">保存单元格的位置索引(行索引和列索引用“,”隔开)和数据</param> public void SetCells(int sheetIndex, string[] arr) { int rowIndex; int columnIndex; string position; if (sheetIndex > this.WorkSheetCount) { this.KillExcelProcess(false); throw new Exception("索引超出范围,WorkSheet索引不能大于WorkSheet数量!"); } if (arr.Length == 0) return; workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(sheetIndex); for (int i = 0; i < arr.Length; i++) { try { position = arr[i]; rowIndex = Convert.ToInt32(position.Split(',')[0]); columnIndex = Convert.ToInt32(position.Split(',')[1]); Excel.Range cell = (Excel.Range)workSheet.Cells[rowIndex, columnIndex]; cell.FormulaR1C1 = cell.Text; } catch { this.KillExcelProcess(false); throw new Exception(string.Format("计算单元格{0}出错!", arr[i])); } } } /// <summary> /// 向单元格写入数据,对指定WorkSheet操作 /// </summary> /// <param name="ht">Hashtable的键值对保存单元格的位置索引(行索引和列索引用“,”隔开)和数据</param> public void SetCells(string sheetName, Hashtable ht) { int rowIndex; int columnIndex; string position; Excel.Worksheet sheet = null; int sheetIndex = 0; if (ht.Count == 0) return; try { for (int i = 1; i <= this.WorkSheetCount; i++) { workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(i); if (workSheet.Name == sheetName) { sheet = workSheet; sheetIndex = workSheet.Index; } } if (sheet != null) { foreach (DictionaryEntry dic in ht) { try { position = dic.Key.ToString(); rowIndex = Convert.ToInt32(position.Split(',')[0]); columnIndex = Convert.ToInt32(position.Split(',')[1]); sheet.Cells[rowIndex, columnIndex] = dic.Value; } catch { this.KillExcelProcess(false); throw new Exception("向单元格[" + dic.Key + "]写数据出错!"); } } } else { this.KillExcelProcess(false); throw new Exception("名称为\"" + sheetName + "\"的工作表不存在"); } } catch (Exception e) { this.KillExcelProcess(false); throw e; } } /// <summary> /// 合并单元格,并赋值,对每个WorkSheet操作 /// </summary> /// <param name="beginRowIndex">开始行索引</param> /// <param name="beginColumnIndex">开始列索引</param> /// <param name="endRowIndex">结束行索引</param> /// <param name="endColumnIndex">结束列索引</param> /// <param name="text">合并后Range的值</param> public void MergeCells(int beginRowIndex, int beginColumnIndex, int endRowIndex, int endColumnIndex, string text) { for (int i = 1; i <= this.WorkSheetCount; i++) { workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i); range = workSheet.get_Range(workSheet.Cells[beginRowIndex, beginColumnIndex], workSheet.Cells[endRowIndex, endColumnIndex]); range.ClearContents(); //先把Range内容清除,合并才不会出错 range.MergeCells = true; range.Value2 = text; range.HorizontalAlignment = Excel.XlHAlign.xlHAlignCenter; range.VerticalAlignment = Excel.XlVAlign.xlVAlignCenter; } } /// <summary> /// 合并单元格,并赋值,对指定WorkSheet操作 /// </summary> /// <param name="sheetIndex">WorkSheet索引</param> /// <param name="beginRowIndex">开始行索引</param> /// <param name="beginColumnIndex">开始列索引</param> /// <param name="endRowIndex">结束行索引</param> /// <param name="endColumnIndex">结束列索引</param> /// <param name="text">合并后Range的值</param> public void MergeCells(int sheetIndex, int beginRowIndex, int beginColumnIndex, int endRowIndex, int endColumnIndex, string text) { if (sheetIndex > this.WorkSheetCount) { this.KillExcelProcess(false); throw new Exception("索引超出范围,WorkSheet索引不能大于WorkSheet数量!"); } workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(sheetIndex); range = workSheet.get_Range(workSheet.Cells[beginRowIndex, beginColumnIndex], workSheet.Cells[endRowIndex, endColumnIndex]); range.ClearContents(); //先把Range内容清除,合并才不会出错 range.MergeCells = true; range.Value2 = text; range.HorizontalAlignment = Excel.XlHAlign.xlHAlignCenter; range.VerticalAlignment = Excel.XlVAlign.xlVAlignCenter; } #endregion #region Row Methods /// <summary> /// 将指定索引列的数据相同的行合并,对每个WorkSheet操作 /// </summary> /// <param name="columnIndex">列索引</param> /// <param name="beginRowIndex">开始行索引</param> /// <param name="endRowIndex">结束行索引</param> public void MergeRows(int columnIndex, int beginRowIndex, int endRowIndex) { if (endRowIndex - beginRowIndex < 1) return; for (int i = 1; i <= this.WorkSheetCount; i++) { int beginIndex = beginRowIndex; int count = 0; string text1; string text2; workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i); for (int j = beginRowIndex; j <= endRowIndex; j++) { range = (Excel.Range)workSheet.Cells[j, columnIndex]; text1 = range.Text.ToString(); range = (Excel.Range)workSheet.Cells[j + 1, columnIndex]; text2 = range.Text.ToString(); if (text1 == text2) { ++count; } else { if (count > 0) { this.MergeCells(workSheet, beginIndex, columnIndex, beginIndex + count, columnIndex, text1); } beginIndex = j + 1; //设置开始合并行索引 count = 0; //计数器清0 } } } } /// <summary> /// 将指定索引列的数据相同的行合并,对指定WorkSheet操作 /// </summary> /// <param name="sheetIndex">WorkSheet索引</param> /// <param name="columnIndex">列索引</param> /// <param name="beginRowIndex">开始行索引</param> /// <param name="endRowIndex">结束行索引</param> public void MergeRows(int sheetIndex, int columnIndex, int beginRowIndex, int endRowIndex) { if (sheetIndex > this.WorkSheetCount) { this.KillExcelProcess(false); throw new Exception("索引超出范围,WorkSheet索引不能大于WorkSheet数量!"); } if (endRowIndex - beginRowIndex < 1) return; int beginIndex = beginRowIndex; int count = 0; string text1; string text2; workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(sheetIndex); for (int j = beginRowIndex; j <= endRowIndex; j++) { range = (Excel.Range)workSheet.Cells[j, columnIndex]; text1 = range.Text.ToString(); range = (Excel.Range)workSheet.Cells[j + 1, columnIndex]; text2 = range.Text.ToString(); if (text1 == text2) { ++count; } else { if (count > 0) { this.MergeCells(workSheet, beginIndex, columnIndex, beginIndex + count, columnIndex, text1); } beginIndex = j + 1; //设置开始合并行索引 count = 0; //计数器清0 } } } /// <summary> /// 插行(在指定行上面插入指定数量行) /// </summary> /// <param name="rowIndex"></param> /// <param name="count"></param> public void InsertRows(int rowIndex, int count) { try { for (int n = 1; n <= this.WorkSheetCount; n++) { workSheet = (Excel.Worksheet)workBook.Worksheets[n]; range = (Excel.Range)workSheet.Rows[rowIndex, this.missing]; for (int i = 0; i < count; i++) { range.Insert(Excel.XlDirection.xlDown, missing); } } } catch (Exception e) { this.KillExcelProcess(false); throw e; } } /// <summary> /// 插行(在指定WorkSheet指定行上面插入指定数量行) /// </summary> /// <param name="sheetIndex"></param> /// <param name="rowIndex"></param> /// <param name="count"></param> public void InsertRows(int sheetIndex, int rowIndex, int count) { if (sheetIndex > this.WorkSheetCount) { this.KillExcelProcess(false); throw new Exception("索引超出范围,WorkSheet索引不能大于WorkSheet数量!"); } try { workSheet = (Excel.Worksheet)workBook.Worksheets[sheetIndex]; range = (Excel.Range)workSheet.Rows[rowIndex, this.missing]; for (int i = 0; i < count; i++) { range.Insert(Excel.XlDirection.xlDown, missing); } } catch (Exception e) { this.KillExcelProcess(false); throw e; } } /// <summary> /// 复制行(在指定行下面复制指定数量行) /// </summary> /// <param name="rowIndex"></param> /// <param name="count"></param> public void CopyRows(int rowIndex, int count) { try { for (int n = 1; n <= this.WorkSheetCount; n++) { workSheet = (Excel.Worksheet)workBook.Worksheets[n]; range1 = (Excel.Range)workSheet.Rows[rowIndex, this.missing]; for (int i = 1; i <= count; i++) { range2 = (Excel.Range)workSheet.Rows[rowIndex + i, this.missing]; range1.Copy(range2); } } } catch (Exception e) { this.KillExcelProcess(false); throw e; } } /// <summary> /// 复制行(在指定WorkSheet指定行下面复制指定数量行) /// </summary> /// <param name="sheetIndex"></param> /// <param name="rowIndex"></param> /// <param name="count"></param> public void CopyRows(int sheetIndex, int rowIndex, int count) { if (sheetIndex > this.WorkSheetCount) { this.KillExcelProcess(false); throw new Exception("索引超出范围,WorkSheet索引不能大于WorkSheet数量!"); } try { workSheet = (Excel.Worksheet)workBook.Worksheets[sheetIndex]; range1 = (Excel.Range)workSheet.Rows[rowIndex, this.missing]; for (int i = 1; i <= count; i++) { range2 = (Excel.Range)workSheet.Rows[rowIndex + i, this.missing]; range1.Copy(range2); } } catch (Exception e) { this.KillExcelProcess(false); throw e; } } /// <summary> /// 删除行 /// </summary> /// <param name="rowIndex"></param> /// <param name="count"></param> public void DeleteRows(int rowIndex, int count) { try { for (int n = 1; n <= this.WorkSheetCount; n++) { workSheet = (Excel.Worksheet)workBook.Worksheets[n]; range = (Excel.Range)workSheet.Rows[rowIndex, this.missing]; for (int i = 0; i < count; i++) { range.Delete(Excel.XlDirection.xlDown); } } } catch (Exception e) { this.KillExcelProcess(false); throw e; } } /// <summary> /// 删除行 /// </summary> /// <param name="sheetIndex"></param> /// <param name="rowIndex"></param> /// <param name="count"></param> public void DeleteRows(int sheetIndex, int rowIndex, int count) { if (sheetIndex > this.WorkSheetCount) { this.KillExcelProcess(false); throw new Exception("索引超出范围,WorkSheet索引不能大于WorkSheet数量!"); } try { workSheet = (Excel.Worksheet)workBook.Worksheets[sheetIndex]; range = (Excel.Range)workSheet.Rows[rowIndex, this.missing]; for (int i = 0; i < count; i++) { range.Delete(Excel.XlDirection.xlDown); } } catch (Exception e) { this.KillExcelProcess(false); throw e; } } #endregion #region Column Methods /// <summary> /// 插列(在指定列右边插入指定数量列) /// </summary> /// <param name="columnIndex"></param> /// <param name="count"></param> public void InsertColumns(int columnIndex, int count) { try { for (int n = 1; n <= this.WorkSheetCount; n++) { workSheet = (Excel.Worksheet)workBook.Worksheets[n]; range = (Excel.Range)workSheet.Columns[this.missing, columnIndex]; for (int i = 0; i < count; i++) { range.Insert(Excel.XlDirection.xlDown, missing); } } } catch (Exception e) { this.KillExcelProcess(false); throw e; } } /// <summary> /// 插列(在指定WorkSheet指定列右边插入指定数量列) /// </summary> /// <param name="sheetIndex"></param> /// <param name="columnIndex"></param> /// <param name="count"></param> public void InsertColumns(int sheetIndex, int columnIndex, int count) { if (sheetIndex > this.WorkSheetCount) { this.KillExcelProcess(false); throw new Exception("索引超出范围,WorkSheet索引不能大于WorkSheet数量!"); } try { workSheet = (Excel.Worksheet)workBook.Worksheets[sheetIndex]; range = (Excel.Range)workSheet.Columns[this.missing, columnIndex]; for (int i = 0; i < count; i++) { range.Insert(Excel.XlDirection.xlDown, missing); } } catch (Exception e) { this.KillExcelProcess(false); throw e; } } /// <summary> /// 复制列(在指定列右边复制指定数量列) /// </summary> /// <param name="columnIndex"></param> /// <param name="count"></param> public void CopyColumns(int columnIndex, int count) { try { for (int n = 1; n <= this.WorkSheetCount; n++) { workSheet = (Excel.Worksheet)workBook.Worksheets[n]; // range1 = (Excel.Range)workSheet.Columns[columnIndex,this.missing]; range1 = (Excel.Range)workSheet.get_Range(this.IntToLetter(columnIndex) + "1", this.IntToLetter(columnIndex) + "10000"); for (int i = 1; i <= count; i++) { // range2 = (Excel.Range)workSheet.Columns[this.missing,columnIndex + i]; range2 = (Excel.Range)workSheet.get_Range(this.IntToLetter(columnIndex + i) + "1", this.IntToLetter(columnIndex + i) + "10000"); range1.Copy(range2); } } } catch (Exception e) { this.KillExcelProcess(false); throw e; } } /// <summary> /// 复制列(在指定WorkSheet指定列右边复制指定数量列) /// </summary> /// <param name="sheetIndex"></param> /// <param name="columnIndex"></param> /// <param name="count"></param> public void CopyColumns(int sheetIndex, int columnIndex, int count) { if (sheetIndex > this.WorkSheetCount) { this.KillExcelProcess(false); throw new Exception("索引超出范围,WorkSheet索引不能大于WorkSheet数量!"); } try { workSheet = (Excel.Worksheet)workBook.Worksheets[sheetIndex]; // range1 = (Excel.Range)workSheet.Columns[Type.Missing,columnIndex]; range1 = (Excel.Range)workSheet.get_Range(this.IntToLetter(columnIndex) + "1", this.IntToLetter(columnIndex) + "10000"); for (int i = 1; i <= count; i++) { // range2 = (Excel.Range)workSheet.Columns[Type.Missing,columnIndex + i]; range2 = (Excel.Range)workSheet.get_Range(this.IntToLetter(columnIndex + i) + "1", this.IntToLetter(columnIndex + i) + "10000"); range1.Copy(range2); } } catch (Exception e) { this.KillExcelProcess(false); throw e; } } /// <summary> /// 删除列 /// </summary> /// <param name="columnIndex"></param> /// <param name="count"></param> public void DeleteColumns(int columnIndex, int count) { try { for (int n = 1; n <= this.WorkSheetCount; n++) { workSheet = (Excel.Worksheet)workBook.Worksheets[n]; range = (Excel.Range)workSheet.Columns[this.missing, columnIndex]; for (int i = 0; i < count; i++) { range.Delete(Excel.XlDirection.xlDown); } } } catch (Exception e) { this.KillExcelProcess(false); throw e; } } /// <summary> /// 删除列 /// </summary> /// <param name="sheetIndex"></param> /// <param name="columnIndex"></param> /// <param name="count"></param> public void DeleteColumns(int sheetIndex, int columnIndex, int count) { if (sheetIndex > this.WorkSheetCount) { this.KillExcelProcess(false); throw new Exception("索引超出范围,WorkSheet索引不能大于WorkSheet数量!"); } try { workSheet = (Excel.Worksheet)workBook.Worksheets[sheetIndex]; range = (Excel.Range)workSheet.Columns[this.missing, columnIndex]; for (int i = 0; i < count; i++) { range.Delete(Excel.XlDirection.xlDown); } } catch (Exception e) { this.KillExcelProcess(false); throw e; } } #region 通过列数获取excel列名 public String GetColumnName(int num) { String[] COL_NAME = { "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z" }; int a = 0, b = num; String col = ""; if (b < 26) { col = COL_NAME[b]; } else { while (b >= 26) { a = b % 26; b = b / 26; col = COL_NAME[a] + col; } col = COL_NAME[b - 1] + col; } return col; } #endregion #endregion #region Range Methods /// <summary> /// 将指定范围区域拷贝到目标区域 /// </summary> /// <param name="sheetIndex">WorkSheet索引</param> /// <param name="startCell">要拷贝区域的开始Cell位置(比如:A10)</param> /// <param name="endCell">要拷贝区域的结束Cell位置(比如:F20)</param> /// <param name="targetCell">目标区域的评论
1 楼 clshuai 2012-04-08博主,你好,看了你的这篇文章,让我很敬佩。可谓内容之全,涵盖范围之广啊。
之后我一直在研读你的代码,可是让我遗憾的是,博主没有把代码写全,后面好像还少了很多的内容,希望博主能补全,或者提供代码下载,小弟们将不胜感激。
或者麻烦博主给我email一份:hellocaols@163.com, 将非常的感谢!发表评论
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本文将深入探讨C#操作Excel文件的相关知识点。 首先,C#本身并不直接支持Excel操作,而是需要借助第三方库或者.NET Framework中的组件来实现。最常见的库之一是Microsoft.Office.Interop.Excel,它是.NET Framework...
在C#中,操作Excel是一项常见的任务,尤其在数据分析和报表生成方面。在这个场景中,开发者面临的问题是如何根据动态的数据生成美观且...通过不断学习和实践,可以提高C#操作Excel的技能,创建更加复杂和美观的报表。
### C#操作Excel知识点详解 #### 一、概述 在.NET框架中,无论是Web应用程序还是桌面应用程序,特别是在涉及数据库操作的管理系统中,经常会遇到需要读取Excel数据或将数据导出到Excel的情况。本文将详细介绍几种...
总结一下,C#操作Excel可以选择多种途径,包括Interop库和第三方库如EPPlus。在处理大数据时,推荐使用后者,因为它更高效且不依赖于Office的本地安装。此外,通过模板处理和样式管理,可以轻松创建专业且格式化的...
标题 "C#操作Excel源代码" 提供了一个关键信息,即使用C#编程语言来处理Microsoft Excel文件。在C#中,我们可以利用.NET框架提供的Microsoft.Office.Interop.Excel命名空间,这使得我们能够通过COM组件与Excel应用...
总的来说,C#操作Excel的代码示例可以帮助开发者在不依赖完整Office环境的情况下,高效地进行数据处理。无论是读取现有数据还是生成新的Excel报告,这些类和方法都能提供必要的功能。通过学习和应用这些示例,开发者...
### C#操作Excel知识点详解 #### 一、引言与背景 Excel作为微软办公套件中的重要组成部分,凭借其强大的功能和友好的用户界面而深受广大用户的喜爱。特别是在数据分析、财务管理等领域,Excel更是不可或缺的工具之...
首先,要进行C#操作Excel,我们需要引用一个库来处理Excel文件。在.NET框架中,常常使用`Microsoft.Office.Interop.Excel`库,它是Office Interop组件的一部分,允许与Office应用程序进行交互。不过,这个库需要在...
C# 操作Excel大全 c//删除行 //删除一列数据 //设置背景色 //设置Format属性 等
C#操作Excel的方法汇总 C#操作Excel的方法汇总是指使用C#语言对Excel进行读取、写入、编辑和导出等操作的方法汇总。这些方法可以帮助开发者快速、高效地完成Excel相关的任务。 一、使用OleDbConnection读取Excel...