Difference between Request.Form and Request.QueryString?

Question

Can some tell me the exact difference between Request.Form and Request.QueryString?

I know one difference, like

If th

Answer 1

Request.Form()

• The Form collection retrieves the values of form elements posted to the HTTP request body, Only those elements and value which exist in your Form.

Request.QueryString()

• The QueryString collection retrieves the values of the variables in the HTTP query string, Here you can append any of your custom variable and value which event dose not exist in your Form.