title: Contains filter search doesn't work for devexpress gridview c#
body: <p>I have a grid view column called <code>LineNumber</code> i set the <code>autofiltercondition</code> to <code>contains</code> .as you can see here :</p>
  
  <p><a href="https://i.stack.imgur.com/f9wvF.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/f9wvF.png" alt="enter image description here"></a></p>
  
  <p>But it doesn't work in running as you can see .and i have to enter the whole <code>linenumber</code> to find it .
  <a href="https://i.stack.imgur.com/4r34w.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/4r34w.png" alt="enter image description here"></a></p>
  
  <p>Should i set something else property ?as you can see i have to enter <code>1.1/2...</code> to find the line,but i need something like this <code>%my text%</code>  in sqlserver</p>