Powerful ajax enable Devexpress control on under below link

DevExpress Provide visual studio supported ajax enable control using making good asp.net application
devexpress suppored control likes
  1. ASP.NET Reporting
  2. ASP.NET Charting   
  3. ASP.NET Grid View   
  4. ASP.NET Navigation   
  5. ASP.NET Scheduler   
  6. ASP.NET HTML Editor   
  7. ASP.NET Pivot Grid   
  8. ASP.NET Tree List   
  9. ASP.NET Gauges   
  10. ASP.NET Data Editors   
  11. ASP.NET Spell Checker   
  12. ASP.NET Themes & Skins   

If you want to see demo and Use it Click on this Link