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GridView和下拉菜单DropDownList结合?

Posted on 2008-03-07 23:39  匆匆  阅读(1062)  评论(1)    收藏  举报
1.前台代码
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="GridViewDropdownList.aspx.cs" Inherits="GridViewDropdownList" %>
<!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 id="Head1" runat="server">
    <title>无标题页</title>
    <link href="css.css" rel="stylesheet" type="text/css" />
</head>
<body>
    <form id="form1" runat="server">
    <div>
        &nbsp;&nbsp;&nbsp;&nbsp;
        <asp:GridView ID="GridView1" runat="server" Width="544px" AutoGenerateColumns="False">
            <Columns>
                <asp:BoundField DataField="身份证号码" HeaderText="用户ID" />
                <asp:BoundField DataField="姓名" HeaderText="用户姓名" />
                <asp:TemplateField HeaderText="员工性别">
                                <ItemTemplate>
                                    <asp:DropDownList ID="DropDownList1" runat="server" DataSource='<%# ddlbind()%>' DataValueField="员工性别" DataTextField="员工性别">
                                    </asp:DropDownList>
                                </ItemTemplate>
                            </asp:TemplateField>
                <asp:BoundField DataField="家庭住址" HeaderText="家庭住址" />
              
            </Columns>
            <RowStyle Horiz VerticalAlign="Middle" />
            <EditRowStyle Horiz VerticalAlign="Middle" />
            <HeaderStyle BackColor="#C0FFC0" />
            <AlternatingRowStyle Horiz VerticalAlign="Middle" />
        </asp:GridView>
        &nbsp; &nbsp;&nbsp; &nbsp;&nbsp;
   </div>
   </form>
</body>
</html>
2.后台代码
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
public partial class GridViewDropdownList : System.Web.UI.Page
{
    SqlConnection sqlcon;
    protected void Page_Load(object sender, EventArgs e)
    {
        DropDownList ddl;
        if (!IsPostBack)
        {
            string sqlstr = "select top 5 * from Employee";
            sqlcon = DB.createCon();
            SqlDataAdapter myda = new SqlDataAdapter(sqlstr, sqlcon);
            DataSet myds = new DataSet();
            sqlcon.Open();
            myda.Fill(myds, "Employee");
            GridView1.DataSource = myds;
            GridView1.DataBind();
            for (int i = 0; i <= GridView1.Rows.Count - 1; i++)
            {
                DataRowView mydrv = myds.Tables["Employee"].DefaultView[i];
                if (Convert.ToString(mydrv["员工性别"]).Trim() == "True")
                {
                    ddl = (DropDownList)GridView1.Rows[i].FindControl("DropDownList1");
                    ddl.SelectedIndex = 0;
                    
                }
                if (Convert.ToString(mydrv["员工性别"]).Trim() == "False")
                {
                    ddl = (DropDownList)GridView1.Rows[i].FindControl("DropDownList1");
                    ddl.SelectedIndex = 1;
                }
            }
            sqlcon.Close();
        }
    }
    public SqlDataReader ddlbind()
    {
        string sqlstr = "select distinct 员工性别 from Employee";
        sqlcon = DB.createCon();
        SqlCommand sqlcom = new SqlCommand(sqlstr, sqlcon);
        sqlcon.Open();
        return sqlcom.ExecuteReader();
    }
}