src/org/tiefaces/components/websheet/utility/WebSheetUtility.java
public static String getFullCellRefName(final String sheetName,
			final int rowIndex, final int colIndex) {
		if (sheetName != null) {
			return sheetName + "!$" + getExcelColumnName(colIndex) + "$"
					+ (rowIndex + 1);
		}
		return null;
	}
public static String getFullCellRefName(final String sheetName,
			final int rowIndex, final int colIndex) {
		if (sheetName != null) {
			return sheetName + "!$" + getExcelColumnName(colIndex) + "$"
					+ (rowIndex + 1);
		}
		return null;
	}
return full name for cell with sheet name and $ format e.g. Sheet1$A$1

@param sheetName
the sheet name
@param rowIndex
the row index
@param colIndex
the col index
@return String full cell reference name