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How to join multiple table in Linq Query.

Anonymous User 2047 14 Feb 2016

I want to join multiple table in linq query. how to do this please help me.

Ask by Anonymous User

Updated 14 Feb 2016

1 Answers

Anonymous User 14 Feb 2016

we are write here two type join multiple table in linq query.

1. 
 var Result1 = db.CUSTOMER.Join(
                      db.ORDER,
                      cust => cust.CUST_ID,
                      ord => ord.CUST_ID,
                      (cust, ord) => new
                      {
                          cust,
                          ord
                      })
                      .Join(db.PRODUCT,
                      pro => pro.ord.PRODUCT_ID,
                      p => p.PRODUCT_ID,
                      (pro, p) => new { pro, p })
                      .Select(m => new
                      {
                          CustomerName = m.pro.cust.CUST_NAME,
                          OrdDate = m.pro.ord.ORD_DATE,
                          ProductName = m.p.PRODUCT_NAME
                      });

2.
          var Result2 = from c in db.CUSTOMER
                        join o in db.ORDER on c.CUST_ID equals o.CUST_ID
                        join p in db.PRODUCT on o.PRODUCT_ID equals p.PRODUCT_ID
                        select new
                        {
                            CustomerName = c.CUST_NAME,
                            OrdDate = o.ORD_DATE,
                            ProductName = p.PRODUCT_NAME
                        };

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