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

Small is beautifull

int ColumnIndex(string reference)
{
  int ci=0;
  reference=reference.ToUpper();
  for (int ix = 0; ix < reference.Length && reference[ix] >= 'A';ix++ ) 
       ci = (ci * 26) + ((int)reference[ix] - 64);
  return ci;
}