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Fileupload updatepanel hasfile

30 Apr Add a trigger for your UpdatePanel . This will force a postback when the upload button is clicked. Also add the line below to the Page_Load. utes .Add("enctype", "multipart/form-data");. I used FileUpload control on my after choosing a file,it shows FileUpload Control's "hasfile" property as help [EDIT, moved from false "solution" post — SA]. Hide Copy Code. UpdatePanel ID="updatePanel" runat="server" UpdateMode="Conditional">. Hello. I'm developing an application with C# and Visual Studio SP1. I'm using WebForms. I have an ASPX page with two UpdatePanels, one on the left that holds a TreeView and other on th.

FileUpload HasFile property = false if button triggers UpdatePanel. 5 May Hi, I have web application, I out the load inside UpdatePanel. The browse to open file is success but when read the HasFile propoerty, always return false. Is there any problem to. Here Mudassar Ahmed Khan has explained why are the FileUpload control properties PostedFile is NULL and HasFile is false when FileUpload control is placed inside AJAX UpdatePanel. This happens because FileUpload control does not work with partial PostBack which is done in UpdatePanel. FileUpload.

Inorder to retain the selection during PostBack you should enable the view state property as below FileUpload ID="fuBrowseXMLFile" runat="server" EnableViewState="true"/>. Rest Approach. 10 Mar , Platform: Web Forms, Product: ASPxGridView, Type: Question, Subject: ASPxGridView - The e property always returns false when a file is uploaded to the UpdatePanel in the EditItemTemplate. FileUpload Control Inside UpdatePanel HasFile Method Return False Using Ajax

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