Sometimes you need to read query string parameters from a URL in a web application.

For example, if the URL is:

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http://cliper.boholcentral.com/?request_id=test

then the value you want is test.

In classic ASP, you can read it with:

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Request.QueryString("request_id")

In ASP.NET, the equivalents are:

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Request["request_id"];
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Request("request_id")