Inner join in linq c#

public List<data>GetData()

        {

            return (

                from ud in dbcontext.userdetails

                join td in dbcontext.taskdetails

                on new

                {

                  uid =   ud.uid ,

                }

                equals new

                {

                 uid =  td.uid.Value ,

                }

                select new data

                {

                    name = td.name,

                    amount = td.amount

                }

                ).ToList();

        }