src/org/tiefaces/components/websheet/utility/WebSheetUtility.java
public static void clearHiddenColumns(final Sheet sheet) {

		for (Row row : sheet) {
			if (row.getLastCellNum() > TieConstants.MAX_COLUMNS_IN_SHEET) {
				deleteHiddenColumnsInRow(row);
			}
		}

	}
public static void clearHiddenColumns(final Sheet sheet) {

		for (Row row : sheet) {
			if (row.getLastCellNum() > TieConstants.MAX_COLUMNS_IN_SHEET) {
				deleteHiddenColumnsInRow(row);
			}
		}

	}
Clear hidden columns.

@param sheet
the sheet