Basic custom validation

"Column A" must not be empty
"Column B" must be a valid email

</> Source

<!DOCTYPE html>
<html>
<head>
	<title>Basic custom validation</title>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
	<meta http-equiv="X-UA-Compatible" content="IE=edge"/>
	<link rel="stylesheet" type="text/css" href="../../../codebase/fonts/font_roboto/roboto.css"/>
	<link rel="stylesheet" type="text/css" href="../../../codebase/dhtmlx.css"/>
	<script src="../../../codebase/dhtmlx.js"></script>
	<script>
		var myGrid;
		function doOnLoad(){
			myGrid = new dhtmlXGridObject('gridbox');
			myGrid.setImagePath('../../../codebase/imgs/');
			myGrid.setHeader("Column A, Column B");
			myGrid.setInitWidths("100,250");
			myGrid.setColAlign("right,left");
			myGrid.setColTypes("ed,ed");
			myGrid.enableValidation(true);
			myGrid.setColValidators("NotEmpty,ValidEmail");
			myGrid.setColSorting("int,str");
			myGrid.enableMultiselect(true);
			myGrid.attachEvent("onValidationError",function(id,ind,value){
				myGrid.setCellTextStyle(id,ind,"font-weight:bold;");
				document.getElementById('message').innerHTML="Error at cell ("+id+","+ind+"), value must "+(ind==0?"not be empty":"be a valid email");
				return false;
			});
			myGrid.attachEvent("onValidationCorrect",function(id,ind,value){
				myGrid.setCellTextStyle(id,ind,"");
				document.getElementById('message').innerHTML="";
				return false;
			});
			myGrid.enableAutoWidth(true);
			myGrid.enableAutoHeight(true);
			myGrid.init();
			myGrid.load("../common/grid.xml");
		}
	</script>
</head>
<body onload="doOnLoad()">
	<div id="message" style="height:50px; font-weight:bold; color:red;"></div>
	<div id="gridbox" style="width:350px;height:250px;background-color:white;overflow:hidden"></div>
	<p>"Column A" must not be empty<br>"Column B" must be a valid email</p>
</body>
</html>

Documentation

Check documentation to learn how to use the components and easily implement them in your applications.