这是MSDN上的例子怎么提示错误呢？？

bolome 2008-08-21 05:32:29

这是MSDN上的例子怎么老提示＂指定的参数已超出有效值的范围。
参数名: index ＂

<%@ Page Language="C#" AutoEventWireup="True" %>

<%@ Import Namespace="System.Data" %>

<html>

<head>



   <script language="C#" runat="server">



      void Page_Load(Object Sender, EventArgs e) 

      {

 

         if (!IsPostBack) 

         {

            ArrayList values = new ArrayList();

 

            values.Add(new PositionData("Item 1", "$6.00"));

            values.Add(new PositionData("Item 2", "$7.48"));

            values.Add(new PositionData("Item 3", "$9.96"));

 

            Repeater1.DataSource = values;

            Repeater1.DataBind();

         }



      }

      void Button_Click(Object Sender, EventArgs e) 

      {        

         Label1.Text = "The Items collection contains: <br>";



         foreach(RepeaterItem item in Repeater1.Items)

         {        

            Label1.Text += item.ItemIndex.ToString() + " - " +

                           ((DataBoundLiteralControl)item.Controls[1]).Text +

                           "<br>";

         }

      }    

 

      public class PositionData 

      {

        

         private string item;

         private string price;

 

         public PositionData(string item, string price) 

         {

            this.item = item;

            this.price = price;

         }

 

         public string Item 

         {

            get 

            {

               return item;

            }

         }

 

         public string Price 

         {

            get 

            {

               return price;

            }

         }

      }

 

   </script>

 

</head>

<body>

 

   <form runat=server>



      <h3>Repeater Example</h3>

         

      <p>

         

      <asp:Repeater id="Repeater1" 

                    runat="server">

         <HeaderTemplate>

            <table border=1>

               <tr>

                  <td><b>Item</b></td>

                  <td><b>Price</b></td>

               </tr>

         </HeaderTemplate>

             

         <ItemTemplate>

            <tr>

               <td> <%# DataBinder.Eval(Container.DataItem, "Item") %> </td>

               <td> <%# DataBinder.Eval(Container.DataItem, "Price") %> </td>

            </tr>

         </ItemTemplate>

            

         <FooterTemplate>

            </table>

         </FooterTemplate>

             

      </asp:Repeater>

      <p>



      <asp:Button id="Button1"

           Text="Display Items in Repeater"

           OnClick="Button_Click"

           runat="server"/>



      <br><br>

         

      <asp:Label id="Label1"                 

                 runat="server"/>

   </form>

</body>

</html>

...全文

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LQknife 2008-08-21

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有解了

Smartdoggie 2008-08-21

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      void Button_Click(Object Sender, EventArgs e) 

      {        

         Label1.Text = "The Items collection contains: <br>";



         foreach(RepeaterItem item in Repeater1.Items)

         {        

            Label1.Text += item.ItemIndex.ToString() + " - " +

                           ((DataBoundLiteralControl)item.Controls[0/*错误发生在这里*/]).Text +

                           "<br>";

         }

      }