<table>

     <asp:Repeater ID="rptList" runat="server"OnItemCommand="rptList_ItemCommand">

     <ItemTemplate>

 <tr>

     <td><asp:TextBox ID="txtNum" runat="server" Text='<%#Eval("ProNum")%>'></asp:TextBox></td>

     <td><asp:Button ID="btnUpdate" runat="server" Text="更新"CommandName="update" CommandArgument='<%#Eval("PID") %>' /></td>

 </tr>

     </ItemTemplate>

     </asp:Repeater>

 </table>

 protected void rptList_ItemCommand(object source, RepeaterCommandEventArgs e)

 {

     switch (e.CommandName)

      {

         case "update":

             string arg = e.CommandArgument.ToString();//取得参数

             //找到激发事件的行内控件，这个很有用，能将更多需要的参数值传递过来。

              TextBox txtNum = e.Item.FindControl("txtNum") as TextBox;

             //下面执行业务逻辑

             string jsStr = "<script>alert('删除成功!" + txtNum.Text + "')</script>";

              Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "alert", jsStr,false);

             break;

      }

 }