Only one instance of script manager can be added to the page
I’ve got this error when i have ajax toolkit script manager on the master page while at the same time i’ve script manager on the content page. This is the primary cause of this error. The…
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407 Proxy authentication required
I found this problem when i try to do any of httpweb request behind proxy and i got error of “407 proxy authentication required”. Normally your company has its own proxy server and sometimes you want…
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not valid Base64 character when doing redirect with query string
I was having a problem in my checkout page, the problem that i had was i’ve got this memberID from the checkout page and it’s being passed to another page via query string. This problem doesn’t…
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Failed to enable constraints, one or more rows contain values violating non null, unique or foreign-key constraints
I found this error on my project. Well i spent around one hour to figure out this problem. People might think that this is some silly error message. The error message i got is “Failed to…