ViewStateUserKey Sometimes Doesn't Validate?
Mar 29, 2011
I have an application in ASP.NET that uses forms authentication. It has the following code.
if (User.Identity.IsAuthenticated)
ViewStateUserKey = User.Identity.Name;
Stepping through I see this code executes on each page load. When a logged in user requests the page, the ViewStateUserKey is filled in with their username. If you let the page sit till forms auth times out, the user is no longer logged in, and a post back fails on validation of the viewstate because the name is now null. However I have noticed if I put other buttons on the screen, and the post back, it doesn't fail, even after authentication has timed out. Should this error every time it times out?
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Dec 20, 2010
I have two lines of dropdown menus. There are 3 dropdown in each line (together 6). First dropdown in each line is "independent". The second and third are dependent. If user selects second, page loads and user can then selects item in third. So user have option to select first OR second and third in each line.
.ASPX code:
[Code]....
Since I've found out that you can't validate dropdown controls directly with CustomValidator I've wrote few lines of code for each of dropdowns to insert some values in txtBx_Cln1n2 which will be hidden when the page will be finished.
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[Code]....
I know I could this a little better since code is quite complicated if I want to tell the user which employee he/she forget to enter. I've tried instead of SelectedItem.Value also SelectedIndex != 0 but the problems are the same.
I couldn't validate this without the use of textbox. But this method is also making complications since user can select 2 employees and then in one of the selected dropdown change selection to index = 0. Maybe I have to disable viewstate on all dropdowns? But this would probably affect INSERT of data?
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Mar 9, 2011
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Feb 22, 2010
I am using th recaptcha control in a update panel. It does'nt seem to validate the second word entered otherwise it works fine.
Attached is the code
<asp:UpdatePanel>
<ContentTemplate>
<table><tr>
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Dec 29, 2010
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