title: AjaxControlToolkit.dll 1.0.10123.0
body: <p>which .Net Framework version is support this version of (AjaxControlToolkit.dll (1.0.10123.0)) and which is not?</p>
  
  <p>i have confusion about this, i m using visual studio 2008 Pro .Net Framework 3.5 and when i add the AjaxControlToolkit.dll version (1.0.10123.0) to bin folder then the ajaxcontrolstoolkit is work fine in my project but when i replace it with  AjaxControlToolkit.dll version(3.5.60919.0) then it does not give any response and by default when i add any ajax control to my web form then it is automatically replace the version(1.0.10123.0) with the version(3.5.60919.0) but it does not work with the version(3.5.60919.0).</p>