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Getting started with ASP.NET MVC Splitter control

This section briefly explains about how to include a simple Splitter in your ASP.NET MVC application. You can refer ASP.NET MVC Getting Started documentation page for introduction part part of the system requirements and configure the common specifications.

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

Adding control to the application

Now open your view page to render splitter control.

razor

controller.cs

@Html.EJS().Splitter("splitter").Width("600px").Height("250px").
PaneSettings(item => { item.Content("<div></div>").Add();item.Content("<div></div>").Add();item.Content("<div></div>").Add();}).Render()

public class HomeController : Controller
{
    public IActionResult Index()
    {
        return View();
    }
}

Output be like the below.

splitter

Load content to the pane

You can load the pane contents in either HTML element or string types using Content property.

For detailed information, refer to the Pane Content section.

razor

controller.cs

@Html.EJS().Splitter("splitter").Width("550px").Height("250px").PaneSettings(item => {
    item.Content("<div class='content'><h3 class='h3'>HTML</h3><div class='code-preview'>&lt;<span>!DOCTYPE html&gt;</span><div>&lt;<span>html&gt;</span></div><div>&lt;<span>body&gt;</span></div>&lt;<span>div</span> id='custom-image'&gt;<div style='margin-left: 5px'>&lt;<span>img</span> src='src/albert.png'&gt;</div><div>&lt;<span>div</span>&gt;</div><div>&lt;<span>/body&gt;</span></div><div>&lt;<span>/html&gt;</span></div></div></div>").Add();
    item.Content("<div class='content'><h3 class='h3'>CSS</h3><div class='code-preview'><span>img {</span><div id='code-text'>margin:<span>0 auto;</span></div><div id='code-text'>display:<span>flex;</span></div><div id='code-text'>height:<span>70px;</span></div><span>   }</span></div></div>").Add();
    item.Content("<div class='content'><h3 class='h3'>JavaScript</h3><div class='code-preview'><span>var</span> image = document.getElementById('custom-image');<div>image.addEventListener('click', function() {</div><div style='padding-left: 20px;'>// Code block for click action</div><span> }</span></div></div>").Add();}).Render()

<style>
    #code-text {
        margin-left: 5px;
    }

    .code-preview {
        margin-top: 15px;
        font-size: 12px;
    }

    .h3 {
        font-size: 14px;
        margin: 4px;
    }

    .content {
        padding: 12px;
    }

    .splitter-image {
        margin: 0 auto;
        display: flex;
        height: 115px;
        margin-top: 10px;
    }
</style>

public class HomeController : Controller
{
    public ActionResult Index()
    {
        return View();
    }
}

Output be like the below.

Loading content to the panes

Configure pane size

You can specify the size to each pane using Size property. It accepts pane values in percentage and pixel types.

In case of pane size is not declared, panes will equally share the sizes automatically.

For Horizontal orientation, panes will share the total width. For Vertical orientation, panes will share the total height.

razor

controller.cs

@Html.EJS().Splitter("splitter").Width("550px").Height("250px").PaneSettings(item => {
item.Size("40%").Content("<div class='content'><h3 class='h3'>HTML</h3><div class='code-preview'>&lt;<span>!DOCTYPE html&gt;</span><div>&lt;<span>html&gt;</span></div><div>&lt;<span>body&gt;</span></div>&lt;<span>div</span> id='custom-image'&gt;<div style='margin-left: 5px'>&lt;<span>img</span> src='src/albert.png'&gt;</div><div>&lt;<span>div</span>&gt;</div><div>&lt;<span>/body&gt;</span></div><div>&lt;<span>/html&gt;</span></div></div></div>").Add();
item.Size("20%").Content("<div class='content'><h3 class='h3'>CSS</h3><div class='code-preview'><span>img {</span><div id='code-text'>margin:<span>0 auto;</span></div><div id='code-text'>display:<span>flex;</span></div><div id='code-text'>height:<span>70px;</span></div><span>   }</span></div></div>").Add();
item.Size("40%").Content("<div class='content'><h3 class='h3'>JavaScript</h3><div class='code-preview'><span>var</span> image = document.getElementById('custom-image');<div>image.addEventListener('click', function() {</div><div style='padding-left: 20px;'>// Code block for click action</div><span> }</span></div></div>").Add();}).Render()

<style>
    #code-text {
        margin-left: 5px;
    }

    .code-preview {
        margin-top: 15px;
        font-size: 12px;
    }

    .h3 {
        font-size: 14px;
        margin: 4px;
    }

    .content {
        padding: 12px;
    }

    .splitter-image {
        margin: 0 auto;
        display: flex;
        height: 115px;
        margin-top: 10px;
    }
</style>

public class HomeController : Controller
{
    public ActionResult Index()
    {
        return View();
    }
}

Resizable panes

Splitter allows you to change the pane dimensions by resizing the panes. By default, all the panes are resizable. You can disable the resize by using Resizable property in each pane settings.

razor

controller.cs

@Html.EJS().Splitter("splitter").Width("550px").Height("250px").PaneSettings(item => {
item.Size("40%").Min("30px").Resizable(false).Content("<div class='content'><h3 class='h3'>HTML</h3><div class='code-preview'>&lt;<span>!DOCTYPE html&gt;</span><div>&lt;<span>html&gt;</span></div><div>&lt;<span>body&gt;</span></div>&lt;<span>div</span> id='custom-image'&gt;<div style='margin-left: 5px'>&lt;<span>img</span> src='src/albert.png'&gt;</div><div>&lt;<span>div</span>&gt;</div><div>&lt;<span>/body&gt;</span></div><div>&lt;<span>/html&gt;</span></div></div></div>").Add();
item.Size("20%").Min("15%").Content("<div class='content'><h3 class='h3'>CSS</h3><div class='code-preview'><span>img {</span><div id='code-text'>margin:<span>0 auto;</span></div><div id='code-text'>display:<span>flex;</span></div><div id='code-text'>height:<span>70px;</span></div><span>   }</span></div></div>").Add();
item.Size("40%").Content("<div class='content'><h3 class='h3'>JavaScript</h3><div class='code-preview'><span>var</span> image = document.getElementById('custom-image');<div>image.addEventListener('click', function() {</div><div style='padding-left: 20px;'>// Code block for click action</div><span> }</span></div></div>").Add();}).Render()

public class HomeController : Controller
{
    public ActionResult Index()
    {
        return View();
    }
}

Output be like the below.

Resizable panes

Set minimum and maximum pane sizes

Splitter allows you to set the minimum and maximum sizes for each pane. Resize will happens up to the minimum and maximum values only. It will accepts the size in both percentage and pixel formats.

razor

controller.cs

@Html.EJS().Splitter("splitter").Width("550px").Height("250px").PaneSettings(item => {
item.Size("40%").Min("30px").Max("60%").Resizable(false).Content("<div class='content'><h3 class='h3'>HTML</h3><div class='code-preview'>&lt;<span>!DOCTYPE html&gt;</span><div>&lt;<span>html&gt;</span></div><div>&lt;<span>body&gt;</span></div>&lt;<span>div</span> id='custom-image'&gt;<div style='margin-left: 5px'>&lt;<span>img</span> src='src/albert.png'&gt;</div><div>&lt;<span>div</span>&gt;</div><div>&lt;<span>/body&gt;</span></div><div>&lt;<span>/html&gt;</span></div></div></div>").Add();
item.Size("20%").Min("15%").Max("40%").Content("<div class='content'><h3 class='h3'>CSS</h3><div class='code-preview'><span>img {</span><div id='code-text'>margin:<span>0 auto;</span></div><div id='code-text'>display:<span>flex;</span></div><div id='code-text'>height:<span>70px;</span></div><span>   }</span></div></div>").Add();
item.Size("40%").Content("<div class='content'><h3 class='h3'>JavaScript</h3><div class='code-preview'><span>var</span> image = document.getElementById('custom-image');<div>image.addEventListener('click', function() {</div><div style='padding-left: 20px;'>// Code block for click action</div><span> }</span></div></div>").Add();}).Render()

public class HomeController : Controller
{
    public ActionResult Index()
    {
        return View();
    }
}

Orientation

Splitter supports both Horizontal and Vertical orientation for the panes. By default, it will be rendered in Horizontal orientation. You can change it by using Orientation property.

razor

controller.cs

@using Syncfusion.EJ2.Layouts
@Html.EJS().Splitter("vertical").CssClass("splitterContent").Width("100%").Height("200px").PaneSettings(item => {
item.Size("50%").Min("30%").Content("<div class='content'> Top pane</div>").Add();
item.Size("50%").Min("30%").Content("<div class='content'> Bottom pane</div>").Add(); }).Orientation(Orientation.Vertical).Render()

<style>
    .content {
        justify-content: center;
        text-align: center;
        align-items: center;
        height: 100%;
        display: flex;
    }
</style>

public class HomeController : Controller
{
    public ActionResult Index()
    {
        return View();
    }
}

Output be like the below.

Orientation

Nested Splitter

Splitter provides support to render the nested pane to achieve the complex layouts. You can render the nested splitter using the <div> element provided for parent splitter.

Also you can render the nested splitter using direct child of the splitter pane. For this, nested splitter should have 100% width and height to match with the parent pane dimensions.

razor

controller.cs

@using Syncfusion.EJ2.Layouts

@{
    var pane4Content = @"<div class='content'>
    <h3 class='h3'>Preview of sample</h3>
    <div class='splitter-image'>
         <img class='img1' src='https://ej2.syncfusion.com/demos/src/listview/images/albert.png' style='width: 20%;margin: 0 auto;'/>
    </div>
</div>";
}

<div>
    @Html.EJS().Splitter("outerSplitter").Created("onCreate").PaneSettings(item => {
    item.Size("50%").Min("30%").Add();
    item.Size("50%").Content(@pane4Content).Min("30%").Add();
}).Height("430px").Width("600px").Orientation(Orientation.Vertical).Render()
</div>
<style>
    .h3 {
        font-size: 14px;
        margin: 4px;
    }

    .content {
        padding: 12px;
    }

    .splitter-image {
        margin: 0 auto;
        display: flex;
        height: 115px;
        margin-top: 10px;
    }

    #code-text {
        margin-left: 5px;
    }

    .code-preview {
        margin-top: 15px;
        font-size: 12px;
    }
</style>
<script>

    var pane1Content = "<div><div class='content'><h3 class='h3'>HTML</h3><div class='code-preview'>&lt;<span>!DOCTYPE html></span><div>&lt;<span>html></span></div>" +
        "<div>&lt;<span>body></span></div>&lt;<span>div</span> id='custom-image'><div style='margin-left: 5px'>&lt;<span>img</span> src='src/albert.png'></div>" +
        "<div>&lt;<span>div</span>&gt;</div><div>&lt;<span>/body></span></div><div>&lt;<span>/html></span></div></div></div></div>";

    var pane2Content = "<div><div class='content'><h3 class='h3'>CSS</h3><div class='code-preview'><span>img {</span><div id='code-text'>margin:<span>0 auto;</span></div>" +
        "<div id='code-text'>display:<span>flex;</span></div><div id='code-text'>height:<span>70px;</span></div><span>}</span></div></div></div>";

    var pane3Content = "<div><div class='content'><h3 class='h3'>JavaScript</h3><div class='code-preview'><span>var </span>" +
        "image = document.getElementById('custom-image');<div>image.addEventListener('click', function() {</div>" +
        "<div style='padding-left: 20px;'>// Code block for click action</div><span> }</span></div></div></div>";

    function onCreate(args) {
        document.getElementById('outerSplitter').querySelector('.e-pane-vertical').setAttribute('id', 'Innersplitter');
        var splitterObj = new ej.layouts.Splitter({
            height: '250px',
            paneSettings: [
                { size: '40%', min: '23%', resizable: false, content: pane1Content },
                { size: '20%', min: '15%', content: pane2Content },
                { size: '40%', content: pane3Content }
            ],
            width: '100%'
        });
        splitterObj.appendTo('#Innersplitter');
    }
</script>

public class HomeController : Controller
{
    public ActionResult Index()
    {
        return View();
    }
}

Output be like the below.

Nested splitter

Getting started with ASP.NET MVC Splitter control

Adding control to the application

Load content to the pane

Configure pane size

Resizable panes

Set minimum and maximum pane sizes

Orientation

Nested Splitter

See Also