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problem in requesting a parameter  RSS feed

 
Ranch Hand
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Hi,
I need to get a parameter in my program.I am working in asteriskjava.I used the method request.getParameter(String name) .
even i have hardcoded the string name like


String param=request.getParameter("chennai");
System.out.println(param);


when i compile this i am getting null instead of chennai.please anyone assist me

Thanks.
 
Sheriff
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Where does this parameter come from ? Did you post the parameter from an html form, or via the URL ?

It sounds like a servlet question. There is a servlets forum where you can ask this kind of question.
 
Greenhorn
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Parameters in a request are set by the HTML client when the request is created, typically form elements (input and file elements to be exact) within a HTML form. Therefore if the form that called your servlet/JSP page had an element with a name "chennai", you would retrieve the value of that form element by using getParameter("chennai").
 
preethi Ayyappan
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Actually here i am using asterisk and this request.getParameter wii retreive the data from the asterisk.if a person calls from chennai,it will be displayed in the asterisk console like


agi://localhost/hello.agi?location=chennai


from this console i have to get the parameter chennai.neither servlet or jsp is used here.but i am not getting the parameter eventhough i hardcoded the parameter.thats why i am confused why it is displaying null even the string i have passed is chennai directly.
 
It is sorta covered in the JavaRanch Style Guide.
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