DetailsView示例

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博客分类：

Asp.Net

ASP UI Web Mobile XHTML

前台代码:

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default8.aspx.cs" Inherits="Default8" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>无标题页</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
       
        <asp:DetailsView ID="DetailsView1" runat="server" Height="50px" Width="125px" 
            AutoGenerateRows="false" ondatabound="DetailsView1_DataBound">
        <Fields>
                <asp:BoundField DataField="UserName" HeaderText="用户名" />
                <asp:HyperLinkField DataNavigateUrlFields="userId" DataNavigateUrlFormatString="Default8.aspx?UserId={0}"
                    DataTextField="RealName" HeaderText="查看" />
                <asp:BoundField DataField="Age" HeaderText="年龄" />
                <asp:TemplateField HeaderText="性别">
                <ItemTemplate>
                    <asp:Label ID="Label1" runat="server" Text='<%#Eval("sex") %>' Visible="false"></asp:Label>
                    <asp:DropDownList ID="DropDownList1" runat="server">
                    <asp:ListItem Text="男" Value="True"></asp:ListItem>
                    <asp:ListItem Text="女" Value="False"></asp:ListItem>
                    </asp:DropDownList>
                    </ItemTemplate>
                </asp:TemplateField>
                <asp:BoundField DataField="Mobile" HeaderText="手机" />
                <asp:TemplateField>
                    <HeaderTemplate>
                        邮件啦</HeaderTemplate>
                    <AlternatingItemTemplate>
                        <a href='emailto:<%#Eval("Email") %>'>
                            <%#Eval("Email") %></a>
                    </AlternatingItemTemplate>
                    <ItemTemplate>
                        <%#Eval("Email") %>
                    </ItemTemplate>
                </asp:TemplateField>
        </Fields>
        <EmptyDataTemplate>
        温馨提示:没有任何数据
        </EmptyDataTemplate>
        </asp:DetailsView>
       
    </div>
    </form>
</body>
</html>

后台代码:

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Data.SqlClient;
public partial class Default8 : System.Web.UI.Page
{
    SqlConnection conn;
    protected void Page_Load(object sender, EventArgs e)
    {
        conn = new SqlConnection(ConfigurationManager.ConnectionStrings["sql2005"].ConnectionString);
        int userid;
        if (!IsPostBack)
        {
            //当当前URL地址中含有"UserId"参数并且能转换成数字时
            if (int.TryParse(Request.QueryString["UserId"], out userid))
            {
                SqlCommand comm = new SqlCommand("select * from userInfo where UserId=@userId", conn);
                comm.Parameters.AddWithValue("@UserId", userid);
                SqlDataAdapter adapter = new SqlDataAdapter(comm);
                DataSet ds = new DataSet();
                adapter.Fill(ds);
                DetailsView1.DataSource = ds.Tables[0].DefaultView;
                DetailsView1.DataBind();
            }
            else
            {
                //如果不能转换成数字,生成一个DataTable对象来绑定
                //因为我们再设计代码中定义如果没有符合条件的数据时的显示效果
                //所以此时会显示我们定义的没有数据时的效果
                DataTable dt = new DataTable();
                DetailsView1.DataSource = dt;
                DetailsView1.DataBind();
            }
        }
    }
    /// <summary>
    /// 绑定后事件
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void DetailsView1_DataBound(object sender, EventArgs e)
    {
        //判断数据源中是否存在数据
        if (DetailsView1.PageCount > 0)
        {
            //找到DropDownList
            DropDownList ddl = DetailsView1.Rows[3].FindControl("DropDownList1") as DropDownList;
            //从得到数据库中bit值
            Label lbl = DetailsView1.Rows[3].FindControl("Label1") as Label;
            //根据值来绑定DropDownList选择的是男还是女
            ListItem li = ddl.Items.FindByValue(lbl.Text);
            if (li != null)
            {
                li.Selected = true;
            }
        }
    }
 
}

在数据库中有数据的情况下,在游览器中输入: