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7.6

Adding User Control to UpdatePanel

Asked by patelajk in Programming for ASP.NET

Hi

I am trying to add a user control to a UpdatePanel but cant seem to get it to work, if I dont use an update panel then it works fine.

I am sure there is something I am doing wrong and am missing something but no idea what

Any help would be great

This is what I have:

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---- HTML MARKUP  --
	<table width="100%" cellpadding="0" cellspacing="0" class="grid">
		<tr><td style="padding:0px 0px 0px 0px">
		
		<table width="100%" cellpadding="0" cellspacing="0">
		<tr class="grid_header">
		<th colspan="2" align="left">
            <asp:LinkButton ID="linkLoadREProfile" runat="server" OnClick="linkLoadREProfile_Click">Full Real Estate Investor Profile</asp:LinkButton>
        	        <asp:UpdateProgress ID="UpdateProgress1" runat="server" >
						<ProgressTemplate>
							<img title = "working" alt="working..." src="/images/spinner.gif"" />
						</ProgressTemplate>
					</asp:UpdateProgress>
        </th>
		</tr>
		</table>
		
<asp:UpdatePanel ID="updateREProfile" runat="server" UpdateMode="Always">
   <ContentTemplate>
        <asp:PlaceHolder ID="PlaceHolder1" runat="server"></asp:PlaceHolder>
   </ContentTemplate>
   <Triggers>
        <asp:AsyncPostBackTrigger ControlID="linkLoadREProfile" EventName="onClick"/>   
   </Triggers>
</asp:UpdatePanel>
 
---- CODE BEHIND --
    Private Property LastLoadedControl() As String
        Get
            Return TryCast(ViewState("LastLoaded"), String)
        End Get
        Set(ByVal value As String)
            ViewState("LastLoaded") = value
        End Set
    End Property
    
    Private Sub LoadUserControl()
        Dim controlPath As String = LastLoadedControl
        
        If Not String.IsNullOrEmpty(controlPath) Then
            PlaceHolder1.Controls.Clear()
            Dim uc As UserControl = DirectCast(LoadControl(controlPath), UserControl)
             updateREProfile.ContentTemplateContainer.Controls.Add(uc)
            ' PlaceHolder1.Controls.Add(uc)
        End If
    End Sub
 
    Protected Sub linkLoadREProfile_Click(ByVal sender As Object, ByVal e As System.EventArgs)
        LastLoadedControl = BASE_PATH & "RE_InvestorProfile.ascx"
        LoadUserControl()
    End Sub
 
Protected Sub page_load(ByVal obj As Object, ByVal e As EventArgs)
 LoadUserControl()
End Sub
 
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[+][-]06/18/09 01:03 AM, ID: 24655307Expert Comment

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[+][-]06/18/09 01:51 AM, ID: 24655549Expert Comment

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[+][-]06/18/09 02:46 AM, ID: 24655809Author Comment

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[+][-]06/18/09 03:07 AM, ID: 24655914Accepted Solution

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About this solution

Zone: Programming for ASP.NET
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Solution Provided By: ddayx10
Participating Experts: 2
Solution Grade: A
 
[+][-]06/18/09 03:10 AM, ID: 24655928Expert Comment

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