How to join 2 tables using linQ

Hello All,

I have 2 tables., I want to join this two tables.

DataTable dt = (DataTable)dsVital.Tables[0].DefaultView.ToTable();
DataTable dt2 = (DataTable)dsSpecial.Tables[0];

Cont_ID is common in both the tables..

So now how to join this two tables Using LINQ or any other methods from code behind.

Please help me soon.