Office Outlook Error: the type or namespace name CreateItem does not exist namespace in ASP.Net

dharmendr says:

Hi yogesjoshi,

Add Microsoft Office Object Library reference to your project references from the COM tab.

And for body content as html use

1	mailItem.HTMLBody = "";

instead of

1	mailItem.Body = "";

 

An exception of type 'System.UnauthorizedAccessException' occurred in mscorlib.dll but was not handled in user code

Additional information: Retrieving the COM class factory for component with CLSID {0006F03A-0000-0000-C000-000000000046} failed due to the following error: 80070005 Access is denied. (Exception from HRESULT: 0x80070005 )

Above error message is getting now.