title: ajax.dll not working in iis 7
body: <p>ajax dll working in IIS 6,but not working IIS 7.
  ajax dll need to install any frameworks in server?</p>
  
  <p>web config in system.web tag</p>
  
  <pre><code>&lt;assemblies&gt;
  &lt;add assembly="System.Web.Extensions, Version=2.0.50727.1433, Culture=neutral, PublicKeyToken=31BF3856AD364E35" /&gt;
  &lt;/assemblies&gt;
  &lt;httpHandlers&gt;
  &lt;add verb="POST,GET" path="ajax/*.ashx" type="Ajax.PageHandlerFactory, Ajax" /&gt;
  &lt;/httpHandlers&gt;
  </code></pre>