SEO Friendly Url asp.net dynamicly like http://somewebsite/WebForm1.aspx?postid=1

Respected Viewer's i have a problem i have 2 Page in asp.net web forms webform1 and webform2 now we bind the data from database on webform 1 in grid view There show only title like for ex. Apple its bind from database now when user click on Apple we using Response Redirect http://somewebsite/WebForm2.aspx?postid=1 like this Page will be Redirect on webform 2 and Bind data from database about only Apple mean where is ID=1 But i want to do http://somewebsite/WebForm2/postid/1/Apple Like in this format Get this url and fetch details about only Apple from database (apple is just use for exemple) how we can do this i much try and search on google and youtube but i m not get success

Hope somebody help me in this problem