title: asp.net image controll not refresh image
body: <p>i write this code:</p>
  
  <pre><code>string url;
  url=Server.MapPath("ImageTest/");
  Image1.ImageUrl = "/ImageTest/2.jpg";
  </code></pre>
  
  <p>this code show my image file into my project root "ImagetTest" Folder,but when i change file in root folder,image controll show previous image!</p>
  
  <p>For Example:i have "2.jpg" and "3.jpg" in root folder,run the project and click the button and show "2.jpg",greate!,Now i replace "2.jpg" and "3.jpg" file,Rename "3.jpg" to "2.jpg" and "2.jpg" to "3.jpg" So i click button but show previous picture "2.jpg" not "3.jpg" picture,when stop vs 2013 and reOpen project Solve it! and show new picture "3.jpg".</p>
  
  <p>I Use this code:</p>
  
  <pre><code>yourPage.Response.Cache.SetNoServerCaching()
  yourPage.Response.Cache.SetCacheability(System.Web.HttpCacheability.NoCache)
  yourPage.Response.Cache.SetNoStore()
  yourPage.Response.Cache.SetExpires(New DateTime(1900, 1, 1))
  </code></pre>
  
  <p>But Not Work!</p>
  
  <p>My Compiler:vs2013 c# .net 4.0</p>
  
  <p>How can i solve it?</p>