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Getting started with ASP.NET Core Range Navigator control

30 Jul 2021 / 2 minutes to read

Starting with v16.2.0.x, if you reference Syncfusion assemblies from trial setup or from the NuGet feed, you also have to include a license key in your projects. Please refer to this link to know about registering Syncfusion license key in your ASP.NET Core application to use our components.

Prerequisites

To get start with ASP.NET Core application, need to ensure the following software to be installed on the machine.

  • Visual Studio 2017
  • DotNet Core 2.0

Setup ASP.NET Core application with Essential JS 2 for ASP.NET Core

The following steps to create ASP.NET Core Application.

Step 1: Create ASP.NET Core Web Application with default template project in Visual Studio 2017.

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Step 2: Once your project created. We need to add Syncfusion EJ2 package into your application by using Nugget Package Manager.

Open the nuGet package manager.

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Install the Syncfusion.EJ2 package to the application

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After Installation complete this will included in the project. You can refer it from the Project Assembly Reference.

We need to install NewtonSoft.JSON as dependency since it Syncfusion.EJ2 dependent to NewtonSoft.JSON package.

Step 3: Open the Views/_ViewImports.cshtml to import Syncfusion.EJ2 package.

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@addTagHelper *, Syncfusion.EJ2

Step 4: Add client side resource through CDN or local package in the layout page Views/Shared/_Layout.cshtml.

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<head>
@* Syncfusion Essential JS 2 Styles *@
<link rel="stylesheet" href="https://cdn.syncfusion.com/ej2/material.css" />

@* Syncfusion Essential JS 2 Scripts *@
<script src="https://cdn.syncfusion.com/ej2/dist/ej2.min.js"></script>
</head>

Step 5: Adding Script Manager in layout page Views/Shared/_Layout.cshtml.

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<body>
@RenderBody()
@RenderSection("Scripts", required: false)
<ejs-scripts></ejs-scripts>
</body>

Step 6: Add the below code to your Index.cshtml view page which is present under Views/Home folder, to initialize the rangenavigator.

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<ejs-rangenavigator></ejs-rangenavigator>

Populate range navigator with data

Now, we are going to provide data to the range navigator. Add a series object to the range navigator by using series property. Now map the field names x and y in the JSON data to the xName and yNameproperties of the series, then set the JSON data to dataSource property. Since the JSON contains Datetime data, set the valueType as DateTime. By default, the axis valueType is Numeric.

tagHelper
data.cs
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<ejs-rangenavigator id="rangeNavigator" valueType="DateTime" labelFormat="MMM-yy">
                <e-rangenavigator-rangenavigatorseriescollection>
                    <e-rangenavigator-series xName="x" yName="y" dataSource="ViewBag.dataSource">
                    </e-rangenavigator-series>
                </e-rangenavigator-rangenavigatorseriescollection>
</ejs-rangenavigator>
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public IActionResult Index()
        {
        List <data> dataSource = new List<data>
            {
                new data { x = new DateTime(2005, 01, 01), y = 21, y1 = 28 },
                new data { x = new DateTime(2006, 01, 01), y = 24, y1 = 44 },
                new data { x = new DateTime(2007, 01, 01), y = 36, y1 = 48 },
                new data { x = new DateTime(2008, 01, 01), y = 38, y1 = 50 },
                new data { x = new DateTime(2009, 01, 01), y = 54, y1 = 66 },
                new data { x = new DateTime(2010, 01, 01), y = 57, y1 = 78 },
                new data { x = new DateTime(2011, 01, 01), y = 70, y1 = 84 },
            };
            ViewBag.dataSource = dataSource;
            return View();
        }
       public class data
        {
            public DateTime x;
            public double y;
            public double y1;
        }

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