c# EF(Linq查询/Lambda查询)

            string query1String, query2String;

            //Linq查询
            using (var context = new TestDB()) {
                var result = context.Users.Where(c => c.Name == "admin");
                query1String = result.Expression.ToString();
            }

            //Lambda查询
            using (var context = new TestDB()) {
                var result = from c in context.Users
                             where c.Name == "admin"
                             select c;
                query2String = result.Expression.ToString();
            }

            //混合查询
            using (var context = new TestDB()) {
                var result = (from c in context.Users
                              where c.Name == "admin"
                             select c.Age).Max();
            }

            Assert.AreEqual(query1String, query2String);