[Message Deleted]

[ncsubbu]

[Message Deleted]

[Blue_Boy]

Post your code here to see where is problem.

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I Love T-SQL "Don't torture yourself,let the life to do it for you." If my post helps you kindly save my time by voting my post.

[K V Sekhar]

Set Previous query string value to null.When u don't need any more. Request.QueryString["previous"]=null; Then use condition if(Request.QueryString["previous"] != null) { //your logic here } Cheers, sekhar

[Guffa]

sekhar.k wrote:

Request.QueryString["previous"]=null;

The QueryString collection is read-only. You can't change the values.

Despite everything, the person most likely to be fooling you next is yourself.