How to open word Document in asp.net without Save/Open Dialog box

Hii,
I want to open word file in internal window without Dialog box.I use below code.Its is working fine on local machine but when i upload this code on ftp server its is not working and giving me error of Retrieving the COM class factory for component with CLSID {000209FF-0000-0000-C000-000000000046} failed due to the following error: 80070005.
Microsoft.Office.Interop.Word.ApplicationClass oWordApp = new Microsoft.Office.Interop.Word.ApplicationClass();                     // Make word visible, so you can see what's happening                     oWordApp.Visible = true;                     //Microsoft.Of ...