Error Creating dll

Question

Hi,

I get the following error message when i try to create a C# dll using command promt: error CS0006: Metadata file 'Microsoft.SqlServer.ManagedDTS.dll' could not be found.

This is the command i am using to create the dll: csc /target:library /out:"C:\PackageAssembly\PackageMethods.dll" "C:\PackageAssembly\PackageMethods.cs" /r:Microsoft.SqlServer.ManagedDTS.dll /r:System.dll

Please help.

Regards,
Sriharsh