Why PostedFile doesnot works in UpdatePanel? [Resolved]

Posted by Amatya under ASP.NET on 3/17/2016 | Points: 10 | Views : 886 | Status : [Member] | Replies : 3

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Why PostedFile doesnot works in UpdatePanel? The code is in .asp page.

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mail Id ' adityagupta200@gmail.com
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Posted by: A2H on: 3/17/2016 [Member] [MVP] Silver | Points: 50

0	If you are uploading files with FileUpload Inside Ajax UpdatePanel, Upload fails because few controls doesn't work with Ajax Partial postbacks. If you still want to use fileUpload control with update panel then You need to set trigger for updatepanel like given below <asp:UpdatePanel ID="UpdatePanel1" runat="server"> <ContentTemplate> <asp:FileUpload ID="FileUpload1" runat="server" Width="310px <asp:Button runat="server" ID="UploadButton" Text="Upload" OnClick="UploadButton_Click" /> </ContentTemplate> <Triggers> <asp:PostBackTrigger ControlID="UploadButton" /> </Triggers> </asp:UpdatePanel> Note that this cause the entire page to trigger normal postback. Thanks, A2H My Blog Amatya, if this helps please login to Mark As Answer. \| Alert Moderator

If you are uploading files with FileUpload Inside Ajax UpdatePanel, Upload fails because few controls doesn't work with Ajax Partial postbacks.

If you still want to use fileUpload control with update panel then You need to set trigger for updatepanel like given below

<asp:UpdatePanel ID="UpdatePanel1" runat="server">

        <ContentTemplate>

            <asp:FileUpload ID="FileUpload1" runat="server"  Width="310px

            <asp:Button runat="server" ID="UploadButton" Text="Upload" OnClick="UploadButton_Click" />

        </ContentTemplate>

        <Triggers>

            <asp:PostBackTrigger ControlID="UploadButton" />

        </Triggers>

    </asp:UpdatePanel>

Note that this cause the entire page to trigger normal postback.

Thanks,
A2H
My Blog

Amatya, if this helps please login to Mark As Answer. | Alert Moderator

Posted by: A2H on: 3/17/2016 [Member] [MVP] Silver | Points: 50

0	Another option is to use the Ajax File Upload control from the Ajax control toolkit instead of asp FileUpload control which will work with update panel also. http://csharpdotnetfreak.blogspot.com/2012/08/aspnet-ajaxfileupload-control-dragdrop-progress-bar.html Thanks, A2H My Blog Amatya, if this helps please login to Mark As Answer. \| Alert Moderator

Posted by: Amatya on: 3/17/2016 [Member] Silver | Points: 25

0	Thanks man .. I got Feel free to share informations. mail Id ' adityagupta200@gmail.com Thanks Amatya, if this helps please login to Mark As Answer. \| Alert Moderator

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