c#中如何定义内存表绑定DataGrid的简单实例

实例代码如下：

usingSystem;
usingSystem.Drawing;
usingSystem.Collections;
usingSystem.ComponentModel;
usingSystem.Windows.Forms;
usingSystem.Data;

namespaceDataGridStyle
...{
/**////<summary>
///Form1的摘要说明。
///</summary>
publicclassDemoForm:System.Windows.Forms.Form
...{
privateSystem.Windows.Forms.DataGriddgd;
privateSystem.Windows.Forms.DataGridTableStyledataGridTableStyle1;
privateSystem.Windows.Forms.DataGridTextBoxColumndataGridTextBoxColumn1;
privateSystem.Windows.Forms.DataGridTextBoxColumndataGridTextBoxColumn2;
privateSystem.Windows.Forms.DataGridTextBoxColumndataGridTextBoxColumn3;
privateSystem.Windows.Forms.DataGridBoolColumndataGridBoolColumn1;
privateSystem.Windows.Forms.ComboBoxcboDepts;
/**////<summary>
///必需的设计器变量。
///</summary>
privateSystem.ComponentModel.Containercomponents=null;

DataTabledt;

publicDemoForm()
...{
//
//Windows窗体设计器支持所必需的
//
InitializeComponent();

//
//TODO:在InitializeComponent调用后添加任何构造函数代码
//
}

/**////<summary>
///清理所有正在使用的资源。
///</summary>
protectedoverridevoidDispose(booldisposing)
...{
if(disposing)
...{
if(components!=null)
...{
components.Dispose();
}
}
base.Dispose(disposing);
}

Windows窗体设计器生成的代码#regionWindows窗体设计器生成的代码
/**////<summary>
///设计器支持所需的方法-不要使用代码编辑器修改
///此方法的内容。
///</summary>
privatevoidInitializeComponent()
...{
System.Resources.ResourceManagerresources=newSystem.Resources.ResourceManager(typeof(DemoForm));
this.dgd=newSystem.Windows.Forms.DataGrid();
this.dataGridTableStyle1=newSystem.Windows.Forms.DataGridTableStyle();
this.dataGridTextBoxColumn1=newSystem.Windows.Forms.DataGridTextBoxColumn();
this.dataGridTextBoxColumn2=newSystem.Windows.Forms.DataGridTextBoxColumn();
this.dataGridTextBoxColumn3=newSystem.Windows.Forms.DataGridTextBoxColumn();
this.dataGridBoolColumn1=newSystem.Windows.Forms.DataGridBoolColumn();
this.cboDepts=newSystem.Windows.Forms.ComboBox();
((System.ComponentModel.ISupportInitialize)(this.dgd)).BeginInit();
this.SuspendLayout();
//
//dgd
//
this.dgd.DataMember="";
this.dgd.HeaderForeColor=System.Drawing.SystemColors.ControlText;
this.dgd.Location=newSystem.Drawing.Point(0,0);
this.dgd.Name="dgd";
this.dgd.PreferredRowHeight=21;
this.dgd.Size=newSystem.Drawing.Size(400,136);
this.dgd.TabIndex=0;
this.dgd.TableStyles.AddRange(newSystem.Windows.Forms.DataGridTableStyle[]...{
this.dataGridTableStyle1});
this.dgd.CurrentCellChanged+=newSystem.EventHandler(this.dgd_CurrentCellChanged);
//
//dataGridTableStyle1
//
this.dataGridTableStyle1.DataGrid=this.dgd;
this.dataGridTableStyle1.GridColumnStyles.AddRange(newSystem.Windows.Forms.DataGridColumnStyle[]...{
this.dataGridTextBoxColumn1,
this.dataGridTextBoxColumn2,
this.dataGridTextBoxColumn3,
this.dataGridBoolColumn1});
this.dataGridTableStyle1.HeaderForeColor=System.Drawing.SystemColors.ControlText;
this.dataGridTableStyle1.MappingName="";
this.dataGridTableStyle1.PreferredRowHeight=21;
//
//dataGridTextBoxColumn1
//
this.dataGridTextBoxColumn1.Alignment=System.Windows.Forms.HorizontalAlignment.Center;
this.dataGridTextBoxColumn1.Format="";
this.dataGridTextBoxColumn1.FormatInfo=null;
this.dataGridTextBoxColumn1.HeaderText="编号";
this.dataGridTextBoxColumn1.MappingName="Id";
this.dataGridTextBoxColumn1.NullText="暂无";
this.dataGridTextBoxColumn1.Width=75;
//
//dataGridTextBoxColumn2
//
this.dataGridTextBoxColumn2.Format="";
this.dataGridTextBoxColumn2.FormatInfo=null;
this.dataGridTextBoxColumn2.HeaderText="姓名";
this.dataGridTextBoxColumn2.MappingName="Name";
this.dataGridTextBoxColumn2.NullText="未知";
//
//dataGridTextBoxColumn3
//
this.dataGridTextBoxColumn3.Format="";
this.dataGridTextBoxColumn3.FormatInfo=null;
this.dataGridTextBoxColumn3.HeaderText="部门";
this.dataGridTextBoxColumn3.MappingName="Dept";
this.dataGridTextBoxColumn3.Width=75;
//
//dataGridBoolColumn1
//
this.dataGridBoolColumn1.AllowNull=false;
this.dataGridBoolColumn1.FalseValue=false;
this.dataGridBoolColumn1.HeaderText="婚否";
this.dataGridBoolColumn1.MappingName="IsMarried";
this.dataGridBoolColumn1.NullValue=((object)(resources.GetObject("dataGridBoolColumn1.NullValue")));
this.dataGridBoolColumn1.TrueValue=true;
this.dataGridBoolColumn1.Width=75;
//
//cboDepts
//
this.cboDepts.Cursor=System.Windows.Forms.Cursors.Arrow;
this.cboDepts.Dock=System.Windows.Forms.DockStyle.Top;
this.cboDepts.Items.AddRange(newobject[]...{
"开发部",
"客服部",
"人力资源部"});
this.cboDepts.Location=newSystem.Drawing.Point(0,0);
this.cboDepts.Name="cboDepts";
this.cboDepts.Size=newSystem.Drawing.Size(400,20);
this.cboDepts.TabIndex=1;
this.cboDepts.SelectedIndexChanged+=newSystem.EventHandler(this.cboDepts_SelectedIndexChanged);
//
//DemoForm
//
this.AutoScaleBaseSize=newSystem.Drawing.Size(6,14);
this.ClientSize=newSystem.Drawing.Size(400,141);
this.Controls.Add(this.cboDepts);
this.Controls.Add(this.dgd);
this.Name="DemoForm";
this.StartPosition=System.Windows.Forms.FormStartPosition.CenterScreen;
this.Text="DataGrid样式";
this.Load+=newSystem.EventHandler(this.DemoForm_Load);
((System.ComponentModel.ISupportInitialize)(this.dgd)).EndInit();
this.ResumeLayout(false);

}
#endregion

/**////<summary>
///应用程序的主入口点。
///</summary>
[STAThread]
staticvoidMain()
...{
Application.Run(newDemoForm());
}

privatevoidDemoForm_Load(objectsender,System.EventArgse)
...{
dt=newDataTable();//创建内存表
dt.Columns.Add("Id",typeof(int));//定义内存表的字段
dt.Columns.Add("Name",typeof(string));
dt.Columns.Add("Dept",typeof(string));
dt.Columns.Add("IsMarried",typeof(bool));

dt.Columns["IsMarried"].AllowDBNull=false;
dt.Columns["IsMarried"].DefaultValue=true;

DataRowdr=dt.NewRow();
dr["Id"]=9922;
dr["Name"]="Mike";
dr["Dept"]="开发部";
dr["IsMarried"]=false;
dt.Rows.Add(dr);

dgd.DataSource=dt;

dataGridTextBoxColumn3.TextBox.Controls.Add(cboDepts);//在DataGrid中添加下拉选择框

}

privatevoidcboDepts_SelectedIndexChanged(objectsender,System.EventArgse)
...{

if(dgd.CurrentRowIndex>=dt.Rows.Count)
dgd[dgd.CurrentCell]=cboDepts.Text;
else
dt.Rows[dgd.CurrentRowIndex]["Dept"]=cboDepts.Text;
}

privatevoiddgd_CurrentCellChanged(objectsender,System.EventArgse)
...{
if(dgd.CurrentCell.ColumnNumber==2)cboDepts.Text=dgd[dgd.CurrentCell].ToString();
}
}
}

这个实例讲述了内存表的使用以及如何绑定DataGrid，还有就是为DataGrid添加一些其他的控件，如下拉选择框，选择框等等，让DataGrid更加丰富