title: searching by special character on linq
body: <p>I need a searching process on linq like this. For example, I will make searching on Name column,and user enters "Ca?an" word to textbox. Question mark will e used for sprecial search character for this sitution. 
  It will search by Name column and, find Canan,Calan,Cazan etc. 
  I hope I can explain my problem correctly.
  Can anyone give me an idea about this linq query. Thank in advance...</p>