public void DegreesTest()//为以弧度指定的角返回对应的以度数表示的角。 { using (var edm = new NorthwindEntities()) { var cust1 = from e in edm.Order_Details select SqlFunctions.Degrees(3.1415926); //DEGREES(cast(3.1415926 as float(53))) AS [C1] cust1.TraceSql(); Console.WriteLine(cust1.First());//179.999996929531 } }