How to use Join with LINQ
    using  System;   using  System.Linq;   using  System.Configuration;     public  partial  class  LINQWithJoin  : System.Web.UI. Page   {       TestDataClassesDataContext  objDBContext = new  TestDataClassesDataContext ( ConfigurationManager .ConnectionStrings[ "TestConnectionString" ].ToString());       protected  void  Page_Load( object  sender, EventArgs  e)       {         }       protected  void  btnDisplay_Click( object  sender, EventArgs  e)       {           var  Allcity = from  city in  objDBContext.City_Tbls join  state in  objDBContext.State_Tbls on  city.State_Id equals  state.State_Id                                select  new                  ...