Matrix multiplication with methods

using System;

namespace PracticeExams
{
    class Program
    {
        static void Main()
        {
            int[,] matrixA = {
                {1, 2, 3 },
                {4, 5, 6 },
                {7, 8, 9 }
            };

            int[,] matrixB = {
                {9, 8, 7 },
                {6, 5, 4 },
                {3, 2, 1 }
            };

            if (matrixA.GetLength(0) != matrixB.GetLength(1)) Console.WriteLine("Error!");
            else MultiplicationsMatrix(matrixA, matrixB);
        }

        static void MultiplicationsMatrix(int[,] matrixA, int[,] matrixB)
        {
            int[,] matrixC = new int[matrixA.GetLength(0), matrixB.GetLength(1)];

            for (int row = 0; row < matrixA.GetLength(0); row++)
            {
                for (int col = 0; col < matrixB.GetLength(1); col++)
                {
                    matrixC[row, col] = 0;
                    for (int k = 0; k < matrixC.GetLength(0); k++)
                    {
                        matrixC[row, col] += matrixA[row, k] * matrixB[k, col];
                    }
                }
            }
            PrintMatrix(matrixC);
        }

        static void PrintMatrix(int[,] matrixC)
        {
            for (int row = 0; row < matrixC.GetLength(0); row++)
            {
                for (int col = 0; col < matrixC.GetLength(1); col++)
                {
                    Console.Write(matrixC[row, col] + " ");
                }
                Console.WriteLine();
            }
        }
    }
}