src/org/tiefaces/components/websheet/utility/WebSheetUtility.java
public static String getFullCellRefName(final Sheet sheet1,
			final Cell cell) {
		if ((sheet1 != null) && (cell != null)) {
			return sheet1.getSheetName() + "!$"
					+ getExcelColumnName(cell.getColumnIndex()) + "$"
					+ (cell.getRowIndex() + 1);
		}
		return null;
	}
public static String getFullCellRefName(final Sheet sheet1,
			final Cell cell) {
		if ((sheet1 != null) && (cell != null)) {
			return sheet1.getSheetName() + "!$"
					+ getExcelColumnName(cell.getColumnIndex()) + "$"
					+ (cell.getRowIndex() + 1);
		}
		return null;
	}
return full name for cell with sheet name and $ format e.g. Sheet1$A$1

@param sheet1
sheet
@param cell
cell
@return String full cell reference name