Hi guys,
Any idea what's causing this, and how do I resolve it?
Basically I have a default.aspx that has textboxes for user id and password, and a link button below the page to redirect to another page when the user forgot his credential. I've enabled the viewstate in this default.aspx but no luck. The scenario is all
the static text in the default.aspx page is loaded via code-behind (resource file) replacing the text of the literal controls. Everything is okay on the first load of the default.aspx, but this is where the error occurs:
1. I clicked the link button (okay, no problem)
2. I clicked the BACK button to return to default.aspx, so some text are missing;
3. I clicked again the link button, the error appears;
It seems the viewstate values are not loaded?
Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that <machineKey> configuration specif ...
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