src/org/tiefaces/components/websheet/service/ValidationHandler.java
private void refreshAfterStatusChanged(final boolean oldStatus, final boolean newStatus, final int formRow,
			final int formCol, final FacesCell cell, final boolean updateGui) {

		if (!newStatus) {
			cell.setErrormsg("");
		}
		cell.setInvalid(newStatus);
		if (updateGui && (oldStatus != newStatus) && (parent.getWebFormClientId() != null)) {
			RequestContext.getCurrentInstance()
					.update(parent.getWebFormClientId() + ":" + (formRow) + ":group" + (formCol));
		}

	}
private void refreshAfterStatusChanged(final boolean oldStatus, final boolean newStatus, final int formRow,
			final int formCol, final FacesCell cell, final boolean updateGui) {

		if (!newStatus) {
			cell.setErrormsg("");
		}
		cell.setInvalid(newStatus);
		if (updateGui && (oldStatus != newStatus) && (parent.getWebFormClientId() != null)) {
			RequestContext.getCurrentInstance()
					.update(parent.getWebFormClientId() + ":" + (formRow) + ":group" + (formCol));
		}

	}
Refresh after status changed.

@param oldStatus
the old status
@param newStatus
the new status
@param formRow
the form row
@param formCol
the form col
@param cell
the cell
@param updateGui
update gui flag.
if true then update gui.