<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;      }      Bind(); }