My checkbox will only do postbacks when autopostback=true even when i have defined anAsyncPostBackTrigger trigger for the update panel. Is this behavior by design (see code below) ?
Thanks,
Brent
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<%
@dotnet.itags.org.RegisterAssembly="AjaxControlToolkit"Namespace="AjaxControlToolkit"TagPrefix="ajax" %><htmlxmlns="http://www.w3.org/1999/xhtml">
<body>
<formid="form1"runat="server"><div><asp:ScriptManagerID="ScriptManager1"runat="server"/><br/><asp:UpdatePanelID="UpdatePanel1"runat="server"ChildrenAsTriggers="False"UpdateMode="Conditional"><ContentTemplate><asp:LabelID="Label1"runat="server"Text="Label"Width="94px"></asp:Label><br/><asp:checkboxID="chk"runat="server"Text="Button"OnCheckedChanged="chk_CheckedChanged"/><br/><asp:ButtonID="Button1"runat="server"OnClick="Button1_Click"Text="Button"/><br/></ContentTemplate><Triggers><asp:AsyncPostBackTriggerControlID="chk"EventName="CheckedChanged"/></Triggers></asp:UpdatePanel><br/><asp:LabelID="Label2"runat="server"Text="Label"Width="91px"></asp:Label></div></form></
body></
html>Public
PartialClass ajaxInherits System.Web.UI.PageProtectedSub Page_Load(ByVal senderAsObject,ByVal eAs System.EventArgs)HandlesMe.LoadLabel1.Text = Now.ToLongTimeString
Label2.Text = Now.ToLongTimeString
EndSubProtectedSub Button1_Click(ByVal senderAs System.Object,ByVal eAs System.EventArgs)Label1.Text = Now.ToLongTimeString
UpdatePanel1.Update()
EndSubProtectedSub chk_CheckedChanged(ByVal senderAs System.Object,ByVal eAs System.EventArgs)'Never fires when checkbox is clicked unless autopostback=true.Label1.Text = Now.ToLongTimeString
UpdatePanel1.Update()
EndSubEnd
Classyes, this is the correct behavior...
what it does is send a request to the server as soon as the checkbox status is changed.
So you're doing good :)
Great. Thanks for the confirmation, Peter.
Brent
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