asd

// i initialize 2 dimensional array
int[,] zweidimensionalesArray = new int[,] 
{
    { 1, 2, 3 },
    { 4, 5, 6 },
    { 7, 8, 9 }
};

// i initialize 2 variables with values of row and column length
int zeilen = zweidimensionalesArray.GetLength(0);
int spalten = zweidimensionalesArray.GetLength(1);

// for-loop to increment columns
for (int j = 0; j < spalten; j++)
{
    int spaltenSum = 0; // initializing result sum of each column value
    for (int i = 0; i < zeilen; i++) // for-loop to increment rows
    {
        spaltenSum += zweidimensionalesArray[i, j]; // adds value to current column
    }
    Console.WriteLine("Sum of column " + j + ": " + spaltenSum);
}