Web Forms :: Check If A Page Is Opened . IF Opened, Close The Page?

Nov 4, 2010

I am generating a new report page by using the following code.

[Code]....

But, the above script is used in more than 20 parameter page which ultimately always open the same Report_preview.Aspx page.

What i want to check while running the above script is "give a warning if the Report_preview.Aspx is already opened"

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Part 1 (continued in next post):
Code:
<%@ Page Language="VB" %>
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[Code]...

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