在DataGrid中添加Radio（单选按钮）列

在DataGrid中添加Radio（单选按钮）列

查看例子

<%@ Page Language="C#" AutoEventWireup="True" EnableViewState = "true"%>
<%@ Import Namespace="System.Data" %>
<html>
<script runat="server">
 DataTable Cart;
 DataView CartView;
 ICollection CreateDataSource()
 {
  DataTable dt = new DataTable();
  DataRow dr;
  
  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.ToString();
   dr[2] = 1.23 * (i+1);
   dt.Rows.Add(dr);
  }
  
  DataView dv = new DataView(dt);
  return dv;
  }

  void Page_Load(Object sender, EventArgs e)
  {
   string js = "";
   js+="<script>/r/n";
   js+="function ld(){/r/n";
   js+="for(i=0;i<document.getElementsByName('RadioName').length;i++)/r/n";
   js+="if(document.getElementsByName('RadioName')[i].value==";
   js+="document.getElementById('" + rd.ClientID + "').value) ";
   js+="document.getElementsByName('RadioName')[i].checked=true/r/n";
   js+="}/r/n";
   js+="window.onload=ld/r/n";
   js+="</"+"script>/r/n";
  this.RegisterStartupScript("js",js);
     if (!IsPostBack)
     {
        ItemsGrid.DataSource = CreateDataSource();
        ItemsGrid.DataBind();
     }   
  }
  void Grid_Change(Object sender, DataGridPageChangedEventArgs e)
  {
     ItemsGrid.CurrentPageIndex = e.NewPageIndex;
     ItemsGrid.DataSource = CreateDataSource();
     ItemsGrid.DataBind();
  }
  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>";
    }
  }
 
</script>
<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>