Answers for ".net entities query multiple join condition"

how to use more than one condition in ef join

var query = from x in context.table1 
             join y in context.table2 on 
             new  {
                  Key1 = x.col1, 
                  Key2 = x.col2,
                  Key3 = true,
                  Key4 = true
                 }
             equals
             new {
                  Key1 = y.key1, 
                  Key2 =  y.key2,
                  Key3 = y.from_date< DateTime.Now,
                  Key4 = !y.deleted
                 }  
             into result
from r in result.DefaultIfEmpty()
select new  {x.Something, r.Something}

.net entities query multiple join condition

var query = (from x in context.table1 
             join y in context.table2 on new {x.col1, x.col2} equals {b.key1, b.key2}  
             into result
query = from x in query
        where ...