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12.19.2006 at 03:38AM PST, ID: 22097734
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7.6

The question about keeping viewstate in session state and F5 behavior

Asked by netformx in Miscellaneous Programming

Tags: , , , ,

Hi,

I have noticed the following:
I have the grid with 2 rows, and 2 columns :
first column check box the second column: name
first row: aa
second row: bb

select the first row with name=='aa' click on Delete button and on event on server delete the selected row. Now I click f5, reach to button event again. in watch I see that grid has 2 rows and the first row is selected (i.e. F5 submits the previous state + values)

But If I keep the view state in session state by adding the folloing code:
protected override object LoadPageStateFromPersistenceMedium()
{
object state = this.Session["GridState"];
return state;
}

protected override void SavePageStateToPersistenceMedium(object viewState)
{
this.Session.Add("GridState", viewState);
}

On f5 - I see in watch that grid has only one row (with name=bb) AND it shows that this row is selected (although it IS NOT)!!!!

Any idea why is this difference? how can I overcome this (keeping viewstate on server)? I need either the first behavior or I don't mind that it return on F5 the updated state, but why the first row check box value is true (i.e. it's selected).

It causes to terrible bug: use deletes first row, then click on F5 - > uppsss, the next row is deleted as wellStart Free Trial
 
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[+][-]12.19.2006 at 07:12AM PST, ID: 18166123

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[+][-]12.19.2006 at 11:08PM PST, ID: 18171768

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[+][-]12.20.2006 at 05:44AM PST, ID: 18172971

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About this solution

Zone: Miscellaneous Programming
Tags: grid, session, state, f5, viewstate
Sign Up Now!
Solution Provided By: RaisinJ
Participating Experts: 1
Solution Grade: A
 
 
[+][-]01.10.2007 at 02:53PM PST, ID: 18288350

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[+][-]01.15.2007 at 05:06PM PST, ID: 18320803

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