AJAX :: Checkbox Not Responding Inside Update Panel C#?

Feb 24, 2010

I have a check box, RequiredFieldValidator and textbox that have editmask extender I want to change the control properties programmatically when I check the check box but the problem that nothing happened when I check it.

I made the control post back and I added triggers.

when put break point and go with code step by step will go through the code but nothing change.

<asp:UpdatePanel ID="UPanelContacts" runat="server">
<ContentTemplate>
<asp:Panel ID="PContactsInfo" runat="server" GroupingText="Personal Information"
BorderStyle="Dotted" Style="position: absolute; top: 103px; left: 221px; height: 468px;
width: 811px; margin-top: 69px;">
<asp:TextBox ID="txtHomePhone" runat="server" Style="top: 147px; left: 543px; position: absolute;
height: 22px; width: 128px" AutoPostBack="True" ></asp:TextBox>
<cc1:MaskedEditExtender ID="txtHomePhone_MaskedEditExtender" runat="server" CultureAMPMPlaceholder=""
CultureCurrencySymbolPlaceholder="" CultureDateFormat="" CultureDatePlaceholder=""
CultureDecimalPlaceholder="" CultureThousandsPlaceholder="" CultureTimePlaceholder=""......

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