DbExpressions.SqlQueryTranslator.GetCastFunctionBody C# (CSharp) Method

        private static string GetCastFunctionBody(Type type)
        {
            if (type == typeof(string))
                return "VARCHAR(MAX)";
            if (type == typeof(int))
                return "INT";
            if (type == typeof(short))
                return "SMALLINT";
            if (type == typeof(byte))
                return "TINYINT";
            if (type == typeof(long))
                return "BIGINT";
            if (type == typeof(decimal))
                return "MONEY";
            if (type == typeof(double))
                return "FLOAT";
            if (type == typeof(DateTime))
                return "DATETIME";
            if (type == typeof(Guid))
                return "UNIQUEIDENTIFIER";
            if (type == typeof(bool))
                return "BIT";
            if (type == typeof(Single))
                return "REAL";
            throw new ArgumentOutOfRangeException("type",string.Format("No conversion exists for the type: {0}", type.Name));
        }