Failed to load viewstate.
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I am using "MultiView", "GridView", "DetailsView" and many others controls in my page.I am also using session. when i run my page no problem happen. but after few minutes when i click any button (any postback) this error show : "Failed to load viewstate. The control tree into which viewstate is being loaded must match the control tree that was used to save viewstate during the previous request. For example, when adding controls dynamically, the controls added during a post-back must match the type and position of the controls added during the initial request." pls help me. this problem also happen in my others pages. Thahks Rico.
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I am using "MultiView", "GridView", "DetailsView" and many others controls in my page.I am also using session. when i run my page no problem happen. but after few minutes when i click any button (any postback) this error show : "Failed to load viewstate. The control tree into which viewstate is being loaded must match the control tree that was used to save viewstate during the previous request. For example, when adding controls dynamically, the controls added during a post-back must match the type and position of the controls added during the initial request." pls help me. this problem also happen in my others pages. Thahks Rico.
This means that you are adding controls dynamically so that the control tree is different on postback.
Christian Graus Please read this if you don't understand the answer I've given you "also I don't think "TranslateOneToTwoBillion OneHundredAndFortySevenMillion FourHundredAndEightyThreeThousand SixHundredAndFortySeven()" is a very good choice for a function name" - SpacixOne ( offering help to someone who really needed it ) ( spaces added for the benefit of people running at < 1280x1024 )
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I am using "MultiView", "GridView", "DetailsView" and many others controls in my page.I am also using session. when i run my page no problem happen. but after few minutes when i click any button (any postback) this error show : "Failed to load viewstate. The control tree into which viewstate is being loaded must match the control tree that was used to save viewstate during the previous request. For example, when adding controls dynamically, the controls added during a post-back must match the type and position of the controls added during the initial request." pls help me. this problem also happen in my others pages. Thahks Rico.
hi you have added the controls cynamically. put that code in a function and call it from both from page load and from your necessary place like button click thanks