title: How to pass querystring value?
body: <p>in my web application  we have show some products demo that we  are  developed  and i have stored that product details on database like </p>
  
  <pre><code>tblProduct{Id,ProductName,ProductDescription}
  </code></pre>
  
  <p>now suppose  User Click on Download link for Product A so on hyperLink of that page i have pass querystring like Demo Download
  so it will redirect to that Inquiryform with ProductName is A  and  i have retrive that Querystring Value On that Inquiry Page  with code </p>
  
  <pre><code> string productName = Request.QueryString["ProductName"] as string;
   objInquiry.InquiryFor = productName; 
  </code></pre>
  
  <p>Now on next step  whenever User Press Submit Button On that inquiryForm one link should send to his Email ID  That Link is for Perticular that ProductOnly....now On code for Submit button i have Made Querystring like 
   <code>mail.Body += "&lt;a href=\"http://www.abc.co.in/test.aspx?period=" + DateTime.Now + "&amp;ProductName=[]\"&gt;Download Demo Software&lt;/a&gt;";</code> now my question is how can i pass this productname  means   ProductName is A  so how can i pass this and how can i retrive this on test.aspx page..???pls help me </p>