src/org/tiefaces/components/websheet/utility/WebSheetUtility.java
public static int convertColToInt(final String col) {
		String name = col.toUpperCase();
		int number = 0;
		int pow = 1;
		for (int i = name.length() - 1; i >= 0; i--) {
			number += (name.charAt(i) - 'A' + 1) * pow;
			pow *= TieConstants.EXCEL_LETTER_NUMBERS;
		}

		return number - 1;
	}
public static int convertColToInt(final String col) {
		String name = col.toUpperCase();
		int number = 0;
		int pow = 1;
		for (int i = name.length() - 1; i >= 0; i--) {
			number += (name.charAt(i) - 'A' + 1) * pow;
			pow *= TieConstants.EXCEL_LETTER_NUMBERS;
		}

		return number - 1;
	}
Convert col to int.

@param col
the col
@return the int