A postback is an HTTP POST to the same page that the form is on. In other words, the contents of the form are POSTed back to the same URL as the form. Postbacks are commonly seen in edit forms, where the user introduces information in a form, hits "save" or "submit", causing a postback. The server ...

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Avoid Postback on NaN fix

I created a form in InfoPath, in which current Year information is compared in a calculated value to Previous Year. Each Year is in a different list, so to calculate the variance percentage I did ...
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SPGridview Sorting issue with Modal control - Double postback

I'm having a a issue related to Sharepoint/ASP.Net Postbacks. Basically, what's happening is I have the following GridView on my page: <SharePoint:SPGridView EnableViewState="false" ...
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How to keep sharepoint attachment when postback form

I have a custom list with sharepoint attachment control. How to keep this attachment when form is postback? I'm using SharePoint - AttachmentButton and AttachmentsField Thanks
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Close window after save editform with Drop off library

I have a problem with closing my explorer window from the SharePoint 2010 listitem editform. I am opening a new explorer window from Outlook. In this window I open the editform from the ...
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The PageRequestManager cannot be initialized more than once - UpdatePanel - Sharepoint 2013

I am new to Sharepoint 2013, I have created a WebPart using Visual Studio 2013 and Deployed into my site, I have googled lots about this issue but not found any solution. I am using UpdatePanel and ...
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NullReferenceException when attempting to read from SPList on postback in UpdatePanel

I am developing a SharePoint 2013 Events Calendar Visual Web Part which relies on a SharePoint list to display event data asynchronously. I've tested the concept in a raw ASP.NET environment and it ...