Error in Design tab when use LINQ Statement in the code.

I was using lateest version of sharpdevlope, but I designer tab was not shwoing. So installed 4.4 version. I am able to see Desgin tab on this version.

But if the source contain any LINQ Statmenet like below it give error while click on Desgin tab.

Same code working in Visual Studio 2012.

dim listStudents = (from m in Students 

                            select m).ToList()

Any body have solution on this..

Thanks in advance.

Rais