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Display custom tooltip for columns in grid in JavaScript (ES5) Grid control

14 Apr 2021 / 1 minute to read

To display a custom ToolTip (EJ2 Tooltip), you can render the Grid control inside the Tooltip component and set the target as “.e-rowcell”. The tooltip is displayed when hovering the grid cells.

Change the tooltip content for the grid cells by using the following code in the beforeRender event.

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function beforeRender(args) {
  // event triggered before render the tooltip on target element.
  tooltip.content = args.target.closest("td").innerText;
}
Source
Preview
index.js
index.html
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var tooltip = new ej.popups.Tooltip({
    target: ".e-rowcell", // set the target element to show the tooltip on hovering it
    beforeRender: beforeRender
  }, "#Tooltip");

var grid= new ej.grids.Grid({
    dataSource: data,
    columns: [
        { field: 'OrderID', headerText: 'Order ID', textAlign: 'Right', width: 100 },
        { field: 'CustomerID', headerText: 'Customer ID', width: 120 },
        { field: 'ShipName', headerText: 'Ship Name', width: 140 },
        { field: 'ShipCity', headerText: 'Ship City', width: 100 },
    ],
    height: 315
});
grid.appendTo('#Grid');

function beforeRender(args) {
  // event triggered before render the tooltip on target element.
  tooltip.content = args.target.closest("td").innerText;
}
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<!DOCTYPE html><html lang="en"><head>
    <title>EJ2 Grid</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="Typescript Grid Control">
    <meta name="author" content="Syncfusion">
    <link href="index.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/ej2-base/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/ej2-buttons/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/ej2-popups/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/ej2-navigations/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/ej2-dropdowns/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/ej2-lists/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/ej2-inputs/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/ej2-calendars/styles/material.css" rel="stylesheet">



    <link href="//cdn.syncfusion.com/ej2/ej2-splitbuttons/styles/material.css" rel="stylesheet">


    <link href="//cdn.syncfusion.com/ej2/ej2-grids/styles/material.css" rel="stylesheet">
    
    
<script src="https://cdn.syncfusion.com/ej2/dist/ej2.min.js" type="text/javascript"></script>
<script src="es5-datasource.js" type="text/javascript"></script>
</head>

<body>
    
    <div id="container">
        <div id="Tooltip">
            <div id="Grid"></div>
        </div>
    </div>


<script>
var ele = document.getElementById('container');
if(ele) {
    ele.style.visibility = "visible";
 }   
        </script>
<script src="index.js" type="text/javascript"></script>
</body></html>
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