System.Data.ExprException.UndefinedFunction C# (CSharp) Метод

        public static Exception UndefinedFunction(string name)
        {
            return _Eval(SR.Format(SR.Expr_UndefinedFunction, name));
        }

        internal void Check()
        {
            Function f = funcs[info];

            if (this.info < 0)
            {
                throw ExprException.UndefinedFunction(this.name);
            }

            if (funcs[info].IsVariantArgumentList)
            {
                // for finctions with variabls argument list argumentCount is a minimal number of arguments
                if (argumentCount < funcs[info].argumentCount)
                {
                    // Special case for the IN operator
                    if (funcs[this.info].id == FunctionId.In)
                    {
                        throw ExprException.InWithoutList();
                    }

                    throw ExprException.FunctionArgumentCount(this.name);
                }
            }
            else
            {
                if (argumentCount != funcs[info].argumentCount)
                {
                    throw ExprException.FunctionArgumentCount(this.name);
                }
            }
        }