A control with ID 'LinkButton1' could not be found for the trigger in UpdatePanel 'UpdatePanelFrmHistory'
Hello mate,
i would like to use the update panel for my datagrid to fire an event handlar method when a link button in the Template column of datagrid is clicked
Here is my code
<
ajax:UpdatePanel runat="server" ID="UpdatePanelFrmHistory" UpdateMode="Conditional" ><ContentTemplate > <asp:DataGrid ID="DataGrid2" runat="server" ShowHeader="False" OnPageIndexChanged ="Grd_frm_history_OnPageIndexChanged" OnItemDataBound ="DataGrid2_ItemDataBound" style="vertical-align: top; text-align: left;" AllowPaging="True" Width="800px" PageSize="20" AutoGenerateColumns="false" > <PagerStyle NextPageText=">" PrevPageText="<" /> <Columns > <asp:BoundColumn DataField ="Form Name" ItemStyle-Width="600px" ></asp:BoundColumn> <asp:TemplateColumn ItemStyle-Width="100px" > <ItemTemplate ><asp:LinkButton ID="LinkButton1" runat ="server" Text='<%# Eval("[Download]") %>' OnClick ="lnk_Click" CommandName="get" >
</asp:LinkButton>
</ItemTemplate> </asp:TemplateColumn> <asp:BoundColumn DataField ="Icon" ItemStyle-Width="100px"></asp:BoundColumn> </Columns> </asp:DataGrid> </ContentTemplate> <Triggers > <ajax:PostBackTrigger ControlID ="LinkButton1" />
</Triggers></ajax:UpdatePanel>
but the above code gives me an error :
A control with ID 'LinkButton1' could not be found for the trigger in UpdatePanel 'UpdatePanelFrmHistory'
i don't know how to create update panel dynamically and specify triggers.
Could you please tell me a solution or a sample code?
Thanks in advance!
Much Obliged & Thanks a Lot,
Myself
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Sidewinder2
10/16/2008 2:46:47 PM
asp.net.ajax-discussion
13973 articles. 
1 followers.
3 Replies
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Sidewinder,
In this case, you shouldn't need a trigger. Since your LinkButton is already inside the update panel you want to have refreshed, this will automatically work the way you want (at least it should). Take out your trigger and see what happens.
James
James Ashley, Magenic Technologies
(james.ashley.magenic@gmail.com)
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vgiambattista
10/16/2008 3:22:38 PM
Thanks for ur reply Mate!,
But i got an error
sys.webforms.PageRequestManagerParserException: The message received from the server could not be parsed.Common causes for this error are when the response is modified by calls to Response.Write ,response filters ,http modules or server trace is enabled
Details:Error Parsing near "%Pdf-1.3" %[] []
10 ob'.How do i create update panel dynamically and add this to the datagrid and specify the trigger?
Could u please tell me a solution?
Much Obliged & Thanks a Lot,
Myself
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Sidewinder2
10/17/2008 4:33:12 AM
Hi, You must have written Response.write() on click of link button.
This will not work inside ajax...
Create another aspx page.
Write the File download code in the page_load event of new page..
Write a java script function on link button and open the newly created page in that window.
Virendra (MCTS)
My Site, Blog
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virendra1983
10/17/2008 5:05:24 AM
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Web resources about - A control with ID 'LinkButton1' could not be found for the trigger in UpdatePanel 'UpdatePanelFrmHistory' - asp.net.ajax-discussionResources last updated: 12/30/2015 1:17:53 PM