SpaceClaim.AddInLibrary.ExcelWorksheet.GetColumnFromInt C# (CSharp) Method

        static string GetColumnFromInt(int x)
        {
            // TBD support more than 26 columns
            if (x > 26)
                throw new ArgumentException("Only 26 columns supported; Blake is a very lazy programmer");

            char column = (char) (64 + x);
            return column.ToString();
        }