Profound Logic Forums

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// get the key code (cross-browser)
event = event || window.event;
var code = event.which || event.keyCode;

// Grid shows 5 rows/page.  
var lastRow = row/5;    

// Get total number of records.
var count = getObj("Grid1").grid.getRecordCount();

// If code==9 (tab)...
if (code == 9) {

  // ...and if on the last row of this "page" or on the last record...
  if (Number.isInteger(lastRow) || (row == count)) {
  
    // ...prevent tab event...
    // It is necessary to prevent the tab event
    // to keepfrom tabbing out of the page.
    preventEvent(event);     
    
    // ...and if last record...
    if (row == count) {  
    
      // ...return to start of records...
      row = 0;
      
    }
    
    // ...move to next valid row...
    row = row+1;
    
    // ...scroll grid to top of next page...
    getObj("Grid1").grid.scrollToRow(row);
    
    // ...get id of element to focus...
    // I created a variable to hold the textbox name.
    var str = "TextBox3" + '.' + row;    
    
    // ...set timeout for scroll and grid to complete...
    // I moved the focus inside a timer so that the
    // scroll and grid update can finish.
    // You may need to change the time value to
    // work with your screen's update time.
    window.setTimeout(function() {       
    
      // ...and set focus to id of element to focus.
      // I use the str variable to get the element to focus.
      getObj(str).focus();               
   
    }, 50);                              
  }
}