How to update specific updatepanel

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i have multiple updatepanels on page. Out of them there is a fileupdate control in a specific panel. To upload document i have to register the submit button using ScriptManager.GetCurrent(this.Page).RegisterPostBackControl(btnDocument). But on clicking this button it is refreshing all updatepanels.

What I have tried:

I want to update only the updatepanel that contains fileupload control. I tried a lot but not able to do. How to do this. Please help

Posted 30-Mar-17 20:54pm

xpertzgurtej

Updated 30-Mar-17 21:19pm

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F-ES Sitecore 31-Mar-17 4:20am

FileUpload controls don't work inside an updatepanel so you're not going to get this working anyway. Google for how to upload a file asynchronously via asp.net.

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Karthik_Mahalingam · Answer 1 · 2017-03-30T21:19:00

Solution 1

Set the UpdateMode as Conditional for all the UpdatePanels

UpdateMode="Conditional"

and update/refresh the particular UpdatePanel by calling Update method

updatepanelName.Update();

refer this What is the main purpose of UpdateMode in UpdatePanel ? | The ASP.NET Forums[^]

Posted 30-Mar-17 21:19pm

Karthik_Mahalingam