src/org/tiefaces/components/websheet/service/ValidationHandler.java
public void valueChangeEvent(final AjaxBehaviorEvent event) {

		try {
			FacesContext facesContext = FacesContext.getCurrentInstance();
			String tblName = parent.getWebFormClientId();
			UIComponent target = event.getComponent();
			boolean pass = validateCell(target);
			if (pass) {
				// to improve performance, re-validate current row only
				// page validation take times. will happen when change tab(page)
				// or
				// reload page.
				int[] rowcol = CellUtility.getRowColFromComponentAttributes(target);
				validateRowInCurrentPage(rowcol[0], true);
				refreshCachedCellsInCurrentPage(facesContext, tblName);
			}
		} catch (Exception ex) {
			LOG.log(Level.SEVERE, "Validation error:" + ex.getLocalizedMessage(), ex);
		}
	}
public void valueChangeEvent(final AjaxBehaviorEvent event) {

		try {
			FacesContext facesContext = FacesContext.getCurrentInstance();
			String tblName = parent.getWebFormClientId();
			UIComponent target = event.getComponent();
			boolean pass = validateCell(target);
			if (pass) {
				// to improve performance, re-validate current row only
				// page validation take times. will happen when change tab(page)
				// or
				// reload page.
				int[] rowcol = CellUtility.getRowColFromComponentAttributes(target);
				validateRowInCurrentPage(rowcol[0], true);
				refreshCachedCellsInCurrentPage(facesContext, tblName);
			}
		} catch (Exception ex) {
			LOG.log(Level.SEVERE, "Validation error:" + ex.getLocalizedMessage(), ex);
		}
	}
public void valueChangeEvent ( final AjaxBehaviorEvent event ) { try { FacesContext facesContext = FacesContext . getCurrentInstance ( ) ; String tblName = parent . getWebFormClientId ( ) ; UIComponent target = event . getComponent ( ) ; boolean pass = validateCell ( target ) ; if ( pass ) { // to improve performance, re-validate current row only
 // page validation take times. will happen when change tab(page)
 // or
 // reload page.
 int [ ] rowcol = CellUtility . getRowColFromComponentAttributes ( target ) ; validateRowInCurrentPage ( rowcol [ 0 ] , true ) ; refreshCachedCellsInCurrentPage ( facesContext , tblName ) ; } } catch ( Exception ex ) { LOG . log ( Level . SEVERE , "Validation error:" + ex . getLocalizedMessage ( ) , ex ) ; } }
Triggered when value in cells changed. e.g. user edit cell.

@param event
ajax event.
Triggered when value in cells changed . e . g . user edit cell .