为DataGrid列添加Radio(单选框)列

最新推荐文章于 2021-06-29 16:45:02 发布

Kalen_Chen

最新推荐文章于 2021-06-29 16:45:02 发布

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分类专栏： ASP.NET系列文章标签： datagrid asp server object string null

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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default12.aspx.cs" Inherits="Default12" %>

<!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>为DataGrid列添加Radio（单选框）列</title>

</head>

<body>

<form runat="server" id=MM>

<input type="hidden" id=rd runat=server/>

<asp:DataGrid id="ItemsGrid" runat="server" BorderColor="black" BorderWidth="1" CellPadding="3" AllowPaging="true" AutoGenerateColumns="false" OnPageIndexChanged="Grid_Change">

<HeaderStyle BackColor="#00aaaa">

</HeaderStyle>

<PagerStyle Mode="NumericPages">

</PagerStyle>

<Columns>

<asp:TemplateColumn>

<ItemTemplate>

<input type=radio name="RadioName" value='<%# DataBinder.Eval(Container.DataItem, "IntegerValue")%>'/>

</ItemTemplate>

</asp:TemplateColumn>

<asp:BoundColumn HeaderText="数字列" DataField="IntegerValue"/>

<asp:BoundColumn HeaderText="字符串列" DataField="StringValue"/>

<asp:BoundColumn HeaderText="货币列" DataField="CurrencyValue" DataFormatString="{0:c}">

<ItemStyle HorizontalAlign="right">

</ItemStyle>

</asp:BoundColumn>

</Columns>

</asp:DataGrid>

<br>

<asp:Button id="Btn" Text="看你选择的" OnClick="btnClick" runat="server"/>

<asp:Label id="Label1" Text="" runat="server"/>

</form>

</body>

</html>

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;

public partial class Default12 : System.Web.UI.Page

{

ICollection CreateDataSource()

{

DataTable dt = new DataTable();

DataRow dr = null;

dt.Columns.Add(new DataColumn("IntegerValue", typeof(Int32)));

dt.Columns.Add(new DataColumn("StringValue", typeof(string)));

dt.Columns.Add(new DataColumn("CurrencyValue", typeof(double)));

for (int i = 0; i < 101; i++)

{

dr = dt.NewRow();

dr[0] = i;

dr[1] = "Item " + (i + 1);

dr[2] = 1.23 * (i + 1);

dt.Rows.Add(dr);

}

DataView dv = new DataView(dt);

return dv;

}

protected void Page_Load(object sender, EventArgs e)

{

string js = "";

js += "<script> ";

js += "function ld(){ ";

js += "for(i=0;i<document.getElementsByName('RadioName').length;i++) ";

js += "if(document.getElementsByName('RadioName')[i].value==";

js += "document.getElementById('" + rd.ClientID + "').value) ";

js += "document.getElementsByName('RadioName')[i].checked=true ";

js += "} ";

js += "window.onload=ld ";

js += "</" + "script> ";

this.RegisterStartupScript("js", js);

if (!IsPostBack)

{

ItemsGrid.DataSource = CreateDataSource();

ItemsGrid.DataBind();

}

}

protected void Grid_Change(object source, DataGridPageChangedEventArgs e)

{

ItemsGrid.CurrentPageIndex = e.NewPageIndex;

ItemsGrid.DataSource = CreateDataSource();

ItemsGrid.DataBind();

}

protected void btnClick(object sender, EventArgs e)

{

if (Request.Form["RadioName"] != null)

{

rd.Value = Request.Form["RadioName"].ToString();

Label1.Text = "您所选择的是：<font color=red>" + Request.Form["RadioName"].ToString() + "</font>";

}

}

}

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