<script  src="../js/dhtmlXDataProcessor.js"></script>
<div id="gridbox" width="100%" height="250px" style="background-color:white;overflow:hidden"></div>
<script>
 
    mygrid = new dhtmlXGridObject('gridbox');
    ...
    mygrid.init();
 
//============================================================================================
    //To use our automated methods you should always point your grid to same file - member of dhtmlxGridDataProcessor library (just check the path)
    mygrid.loadXML("php/get.php");
    
    //init dataprocessor and assign verification function
    //specify server update processor - member of dhtmlxGridDataProcessor library (just check the path) or your own
    myDataProcessor = new dataProcessor("php/update.php");
    //use column IDs instead of column indexes naming request parameters
    myDataProcessor.enableDataNames(true);
    //verify if the value of 2nd column (zero-based numbering is 1) is not empty
    myDataProcessor.setVerificator(1)
    //verify value of 4th column (zero-based numbering is 3) against checkIfNotZero verification function (see it below)
    myDataProcessor.setVerificator(3,checkIfNotZero)
    //you can also specify update mode. Availabel modes are: update automaticaly (cell based, row based) and manual update
    //cell ("cell") based mode means that grid will attempt to update data on server after each editing of cell (on editor closed). 
    //row ("row") based mode means that grid will attempt to update data on server when row selection changed or Enter key pressed
    //manual ("off") means that you need to run myDataProcessor.sendData() to begin update process (automatic update off).
    myDataProcessor.setUpdateMode("off");//available values: cell (default), row, off
    //set error handler (handler for action with type "error")
    myDataProcessor.defineAction("error",myErrorHandler);
    //specify transaction method - POST or GET (default is GET)
    myDataProcessor.setTransactionMode("GET");
    //initialize data processor for the grid object (in our case - mygrid)
    myDataProcessor.init(mygrid);
//============================================================================================
    //Example of error handler. It gets <action> tag object as incomming argument.
    function myErrorHandler(obj){
        alert("Error occured.\n"+obj.firstChild.nodeValue);
        myDataProcessor.stopOnError = true;
        return false;
    }
    
    //Example of verification function. It verifies that value is not 0 (zero).
    //If verification failed it should return false otherwise true.
    //Verification fucntion specified in setVerificator method will always get two argumentrs: value to verify and column name (use it for message)
    function checkIfNotZero(value,colName){
        if(value.toString()._dhx_trim()=="0"){
            showMessage(colName+ " should not be 0")
            return false
        }else
            return true;
    }</script>