Customize Boolean Field In Kendo Grid Using Template

Gowtham K
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Today I came across one scenario in my project where I need to customize the default Boolean text (true/false) in Kendo Grid to some other meaningful name.

I am going to explain how to perform this customized operation from ASP.NET WEB API service response.

Please refer my previous article: Export grid data to excel in advance Kendo UI using MVC WEB API and Entity Framework where I have explained how to create a WEB API Service.

My SQL Table Values as shown in the following figure 1:

Figure 1

The JSON Response from the WEB API service:

[{"Success":true,"ProductName":"AnnualMembership","OrderID":1},
{"Success":true,"ProductName":"AnnualMembership","OrderID":2},
{"Success":true,"ProductName":"TestProduct","OrderID":6},
{"Success":true,"ProductName":"Test Product","OrderID":18}
{"Success":false,"ProductName":"Test Product","OrderID":46}]

Create an HTML page in your project

Design in HTML Page

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Untitled</title>
<link rel="stylesheet" href="http://kendo.cdn.telerik.com/2015.3.930/styles/kendo.common.min.css">
<link rel="stylesheet" href="http://kendo.cdn.telerik.com/2015.3.930/styles/kendo.rtl.min.css">
<link rel="stylesheet" href="http://kendo.cdn.telerik.com/2015.3.930/styles/kendo.default.min.css">
<link rel="stylesheet" href="http://kendo.cdn.telerik.com/2015.3.930/styles/kendo.mobile.all.min.css">
<script src="http://code.jquery.com/jquery-1.9.1.min.js"></script>
<script src="http://kendo.cdn.telerik.com/2015.3.930/js/angular.min.js"></script>
<script src="http://kendo.cdn.telerik.com/2015.3.930/js/jszip.min.js"></script>
<script src="http://kendo.cdn.telerik.com/2015.3.930/js/kendo.all.min.js"></script>
</head>
<body>
<div id="example" class="container-fluid">
<div class="row">
<span> Order History</span>
</div>
<div id="kGrid" data-role="grid"
data-scrollable="true"
data-columns="[
{ 'field':'ProductName', 'title':'Package Information', 'width':'25%' },
{ 'field':'OrderID', 'title':'OrderID', 'width':'13%'},
{ 'field':'Success', 'title':'Status', 'width':'13%'},
]"
data-editable="false"
data-filterable="true"
data-pageable='true'
data-bind="source: products,
visible: isVisible"
style="height: 350px; width: 94%">
</div>
</div>
</div>
</body>
</html>

JavaScript with MVVM Model

var viewModel = kendo.observable({
isVisible: true,
products: new kendo.data.DataSource({
schema: {
model: {
id: "UserID",
fields: {
OrderID: { type: "number" },
Success:{type:"boolean"},
ProductName: { type: "string" }
}
}
},
serverFiltering: true,
serverPaging: true,
serverSorting: true,
batch: true,
transport: {
read: {
url: "/EventService/api/Registration/OrderHistory",
dataType: "json"
},
parameterMap: function (options, operation) {
if (operation !== "read" && options.models) {
return { models: kendo.stringify(options.models) };
}
}
}
})
});
kendo.bind($("#example"), viewModel);

Result in Browser

Figure 2

From the above image you can observe that for the Boolean field of the kendo grid is assigning 'true' for 1 and 'false' for 0.

We can customizing it by using the template in the kendo Grid as shown below:

<script type="text/x-kendo-template" id="Grid-Btn-template2">
<div> #= Success ? 'Paid' : 'Pending' # </div>
</script>

The Success It is one of the Boolean field in Kendo Grid.

‘Paid’à The ‘true’ in Kendo grid is replaced to ‘Paid’.

‘Pending’à The ‘false’ in Kendo grid is replaced to ‘pending’.

The Complete code to apply the template in Kendo Grid:

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Untitled</title>
<link rel="stylesheet" href="http://kendo.cdn.telerik.com/2015.3.930/styles/kendo.common.min.css">
<link rel="stylesheet" href="http://kendo.cdn.telerik.com/2015.3.930/styles/kendo.rtl.min.css">
<link rel="stylesheet" href="http://kendo.cdn.telerik.com/2015.3.930/styles/kendo.default.min.css">
<link rel="stylesheet" href="http://kendo.cdn.telerik.com/2015.3.930/styles/kendo.mobile.all.min.css">
<script src="http://code.jquery.com/jquery-1.9.1.min.js"></script>
<script src="http://kendo.cdn.telerik.com/2015.3.930/js/angular.min.js"></script>
<script src="http://kendo.cdn.telerik.com/2015.3.930/js/jszip.min.js"></script>
<script src="http://kendo.cdn.telerik.com/2015.3.930/js/kendo.all.min.js"></script>
</head>
<body>
<script type="text/x-kendo-template" id="Grid-Btn-template2">
<div> #= Success ? 'Paid' : 'Pending' # </div>
</script>
<div id="example" class="container-fluid">
<div class="row">
<span> Order History</span>
</div>
<div id="kGrid" data-role="grid"
data-scrollable="true"
data-columns="[
{ 'field':'ProductName', 'title':'Package Information', 'width':'25%' },
{ 'field':'OrderID', 'title':'OrderID', 'width':'13%'},
{ 'field':'Success', 'title':'Status',template: kendo.template($('#Grid-Btn-template2').html()), 'width':'13%'},
]"
data-editable="false"
data-filterable="true"
data-pageable='true'
data-bind="source: products,
visible: isVisible"
style="height: 350px; width: 94%">
</div>
</div>
</div>
</body>
</html>

JavaScript with MVVM Model

var viewModel = kendo.observable({
isVisible: true,
products: new kendo.data.DataSource({
schema: {
model: {
id: "UserID",
fields: {
OrderID: { type: "number" },
Success:{type:"boolean"},
ProductName: { type: "string" }
}
}
},
serverFiltering: true,
serverPaging: true,
serverSorting: true,
batch: true,
transport: {
read: {
url: "/EventService/api/Registration/OrderHistory",
dataType: "json"
},
parameterMap: function (options, operation) {
if (operation !== "read" && options.models) {
return { models: kendo.stringify(options.models) };
}
}
}
})
});
kendo.bind($("#example"), viewModel);

Result in Browser

Figure 3

From the above figure you can observe that the 'true' is replaced with 'Paid' and the 'false' is replaced with 'Pending'.

I hope you have enjoyed this article, Thank you.

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