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Labels in ASP.NET MVC Range Navigator control

08 Apr 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
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;
        }

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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