Posted on: 5/22/2015 2:12:53 PM | Views : 693

The below code works fine when i remove updatepanel,
but when I add updatepanel,
once I change the value of Itemcategorycode dropdown, the itemsdropdown dropdown is always empty.
Not sure wht is wrong. pls help.. thanks

subpage:
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="asp" %> <asp:Content ID="Content1" ContentPlaceHolderID="head" runat="server"> </asp:Content> <asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" runat="server">                <asp:Panel ID="Panel3" runat="server" BackColor="#02CCFF">         <asp:UpdateProgress ID="UpdateProgress1" runat="server" Asso ...

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