Bound Data, ViewState, and PostBack

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8/21/2010 6:26:30 AM
Joe Audette
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Re: Bound Data, ViewState, and PostBack

regarding viewstate, if there is a line of code in any of your controls that sets Page.EnableViewstate = false; it will cause it to behave like 3.5 .NET and ViewStateMode settings will have no effect.

regarding ClientIdMode, it would be dangerous for me to make a global change to static it could break things. For the time being while we are still supporting 3.5 .NET I also cannot go sprinkling ClientIdMode properties on control declarations since the same files are used in 3.5 .NET. So myself I'm waiting until we drop support for 3.5 .NET before I start trying to change the way client ids are rendered.

However, that setting in Web.config should not prevent you from specifying ClientIdMode = static or predictable on your own custom controls.

Hope it helps,

Joe

8/21/2010 6:51:24 AM
Joe Audette
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Re: Bound Data, ViewState, and PostBack

Here is a better article about viewstate in .NET 4

http://www.4guysfromrolla.com/articles/071410-1.aspx

note especially the little section about if EnableViewState and ViewStateMode got in a fight who would win

Best,

Joe

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