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checking for parameters in URL

 
Greenhorn
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is it possible to check to see if there are any parameters in the URL? For example, if "myJsp.jsp" is called, (no parameters) I want one thing to happen and if "myJsp.jsp?param=blah" is called I want another thing to happen.
thanks,
Ant
 
Greenhorn
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Hi,
HttpServletRequest.getParameterNames() returns the enumerated names of all prameters obtained thru the user requests. You can use this method and if it returns null then you can perform some other function. Does it help you??
thanks
 
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