Hi,
I found this thread is a duplicated one to http://forums.asp.net/t/1443220.aspx. So, I will close it.
Please kindly note that it is not recommended to post same threads in the forum. That will confuse those who may want to give help.
Thanks for your understanding.
Best Regards,
Shengqing Yang
Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread : )