Hii.. I Want to export data to PDF using devexpress Silverlight control..Is there any control like aspxgridviewexporter in silverlight, so tat i can export through tat control...

 Sandeep, not at the moment no there isn't.  And as Silverlight 2.0 does not support saving a file to the client directly, you will still need to implement an asp.net webform to popup and "push" the data to the user that way. 

 Yes robert it has a SaveFileDialog, all you get access to is the FileStream on the client PC.

 print paper, no, but there are ways around that...

Access DBMS of course, there are a few tools around, DevExpress offer one right now, its called AgXpo, Silverlight version of XPO.  .NET RIA Services (Microsoft's answer to n-tier DBMS access in silverlight), and a few others around the traps...

The thing i love about silverlight 3 is element to element binding, Master Detail grids, the detail grid can bind directally to a property on the parent grid etc...