Get the Column Index of a Cell in Excel using OpenXML C#

Question

I\'ve been looking around for a while now and cannot seem to find out how to do this. I\'ve got an excel sheet, which I\'m reading using OpenXML. Now the normal thing would

Answer 1

    public static void CellReferenceToIndex(string reference, out int row_index, out int col_index)
    {
        row_index = 0;
        col_index = 0;

        foreach(char c in reference)
        {
            if (c >= '0' && c <= '9')
            {
                row_index = row_index * 10 + (c - '0');
            }
            if (c >= 'A' && c <= 'Z')
            {
                col_index = col_index * ('Z' - 'A' + 1) + (c - 'A' + 1);
            }
        }
    }