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Labels in ASP.NET MVC Range Navigator control

09 Jun 2021 / 1 minute to read

Multilevel labels

The second level labels for the range navigator can be enabled by setting the “enableGrouping” property to true. This is restricted to date-time axis alone.

razor
multi.cs
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@(Html.EJS().RangeNavigator("container")
                    .ValueType(Syncfusion.EJ2.Charts.RangeValueType.DateTime)
                    .LabelFormat("MMM-yy")
                    .EnableGrouping(true)
                .Series(sr =>
                {
                    sr.XName("x").YName("y").DataSource(ViewBag.dataSource).Add();
                }).Render()
                )
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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;
        }

Grouping

The second level axis labels can be grouped using “groupBy” property with the following interval types:

  • Auto
  • Years
  • Quarter
  • Months
  • Weeks
  • Days
  • Hours
  • Minutes
  • Seconds
razor
group.cs
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@(Html.EJS().RangeNavigator("container")
                    .ValueType(Syncfusion.EJ2.Charts.RangeValueType.DateTime)
                    .LabelFormat("MMM-yy").RangeIntervalType.Months")
                    .EnableGrouping(True)
                .Series(sr =>
                {
                    sr.XName("x").YName("y").DataSource(ViewBag.dataSource).Add();
                }).Render()
                )
Copied to clipboard
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;
        }

Smart labels

The “labelIntersectAction” property is used to avoid overlapping of labels.

The following code sample shows setting the labelIntersectAction property to Hide.

razor
smart.cs
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@(Html.EJS().RangeNavigator("container")
                    .ValueType(Syncfusion.EJ2.Charts.RangeValueType.DateTime)
                    .LabelFormat("MMM-yy")
                    .EdgeLabelPlacement(Syncfusion.EJ2.Chart.EdgeLabelPlacement.Shift)
                    .LabelIntersectAction(Syncfusion.EJ2.Chart.LabelIntersectAction.Hide)
                .Series(sr =>
                {
                    sr.XName("x").YName("y").DataSource(ViewBag.dataSource).Add();
                }).Render()
                )
Copied to clipboard
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;
        }

Label positioning

By default, the labels can be placed at outside of the range navigator. You can place the labels inside the range navigator using the labelPosition property.

razor
position.cs
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@(Html.EJS().RangeNavigator("container")
                    .ValueType(Syncfusion.EJ2.Charts.RangeValueType.DateTime)
                    .LabelFormat("MMM-yy")
                .Series(sr =>
                {
                    sr.XName("x").YName("y").DataSource(ViewBag.dataSource).Add();
                }).Render()
                )
Copied to clipboard
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;
        }

Labels customization

The font size, color, family, etc. can be customized using the “labelStyle” property.

razor
custom.cs
Copied to clipboard
@(Html.EJS().RangeNavigator("container")
                    .ValueType(Syncfusion.EJ2.Charts.RangeValueType.DateTime)
                    .LabelFormat("MMM-yy")
                .Series(sr =>
                {
                    sr.XName("x").YName("y").DataSource(ViewBag.dataSource).Add();
                }).Render()
                )
Copied to clipboard
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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