Check if query string variable not exist ASP.NET

Question

how to Check if query string variable not exist ASP.NET

Nilesh Patil · Answer

Hi Sir HtmlPage.Document.QueryString will give you a dictionary with a list of all query string values. If the count is 0 there is no key available.

Upendra Pratap Shahi · Answer

if (Request.QueryString[test] != null) { //your code }

Upamanyu Roy Choudhury · Answer

Hi Mukesh Do it this way if (Request.QueryString[ [VARIABLE] ] !=  ) { //put your code here } This is the way to check if query string exists or not. Please mark it as an answer if my post satisfies yours query