Appearance

As of the R1 2022 release, the MultiColumnComboBox component uses a new rendering. To learn more about why we decided to create a new rendering for our components, see the Components Rendering Overview article.

For a live example of the styling options of the MultiColumnComboBox, visit the Appearance Demo of the MultiColumnComboBox.

Options

The MultiColumnComboBox supports the following styling options:

Size—configures the overall size of the component.
Rounded—configures the border radius of the component.
FillMode—configures how the color is applied to the component.

Size

The Size option controls the size of the MultiColumnComboBox. The k-input-{size} class, which is applied to the wrapping span element of the MultiColumnComboBox, reflects the value of the Size option.

The following values are available for the Size option:

Small—small size (applies the k-input-sm class to the wrapping span element)
Medium—medium size (applies the k-input-md class to the wrapping span element)
Large—large size (applies the k-input-lg class to the wrapping span element)
None—unset.

The default size value is Medium.

The example below shows a basic configuration and how to set size to "large":

    @(Html.Kendo().MultiColumnComboBox()
        .Name("movies")
        .DataTextField("Text")
        .DataValueField("Value")
        .Size(ComponentSize.Large)
        .Columns(columns =>
        {
            columns.Add().Field("Text").Title("Text").Width("300px");
            columns.Add().Field("Value").Title("Value").Width("100px");
        })
        .BindTo(new List<SelectListItem>()
        {
            new SelectListItem() {
            Text = "Item1", Value ="1"
            },
            new SelectListItem() {
            Text = "Item2", Value ="2"
            },
            new SelectListItem() {
            Text = "Item3", Value ="3"
            }
        })
    )

Below is the HTML of the MultiColumnComboBox that is affected from the Size configuration. The ComponentSize.Large value is reflected through the k-input-lg class applied to the span.k-dropdowngrid wrapping element:

<span class="k-input k-combobox k-widget k-dropdowngrid k-combobox-clearable k-input-solid k-input-lg k-rounded-full">
</span>

Rounded

The Rounded option controls the border radius of the MultiColumnComboBox. The class that corresponds to the Rounded option is k-rounded-{rounded}.

The following values are available for the Rounded option:

Small—small border radius (applies the k-rounded-sm class to the wrapping span element)
Medium—medium border radius (applies the k-rounded-md class to the wrapping span element)
Large—large border radius (applies the k-rounded-lg class to the wrapping span element)
Full—largest (ellipse-like) border radius (applies the k-rounded-full class to the wrapping span element)
None—unset.

The default value is Full.

The following example demonstrates how to set Rounded in the declaration of the MultiColumnComboBox:

    @(Html.Kendo().MultiColumnComboBox()
        .Name("movies")
        .DataTextField("Text")
        .DataValueField("Value")
        .Rounded(Rounded.Medium)
        .Columns(columns =>
        {
            columns.Add().Field("Text").Title("Text").Width("300px");
            columns.Add().Field("Value").Title("Value").Width("100px");
        })
        .BindTo(new List<SelectListItem>()
        {
            new SelectListItem() {
            Text = "Item1", Value ="1"
            },
            new SelectListItem() {
            Text = "Item2", Value ="2"
            },
            new SelectListItem() {
            Text = "Item3", Value ="3"
            }
        })
    )

The Rounded.Medium value is reflected through the k-rounded-md class applied to the span.k-dropdowngrid wrapping element:

<span class="k-input k-combobox k-widget k-dropdowngrid k-combobox-clearable k-input-solid k-input-lg k-rounded-md">
    ...
</span>

FillMode

The FillMode option controls how color is applied to the component. The structure of the class is k-input-{fillMode}.

The following values are available for the FillMode option:

Solid—applies the k-input-solid class to the wrapping span element
Flat—applies the k-input-flat class to the wrapping span element
Outline—applies the k-input-outline class to the wrapping span element
None—unset.

The default value is Solid and it is applied to the span.k-dropdowngrid wrapping element through the k-input-solid class.

The following example demonstrates how to set FillMode in the declaration of the MultiColumnComboBox:

    @(Html.Kendo().MultiColumnComboBox()
        .Name("movies")
        .DataTextField("Text")
        .DataValueField("Value")
        .FillMode(FillMode.Outline)
        .Columns(columns =>
        {
            columns.Add().Field("Text").Title("Text").Width("300px");
            columns.Add().Field("Value").Title("Value").Width("100px");
        })
        .BindTo(new List<SelectListItem>()
        {
            new SelectListItem() {
            Text = "Item1", Value ="1"
            },
            new SelectListItem() {
            Text = "Item2", Value ="2"
            },
            new SelectListItem() {
            Text = "Item3", Value ="3"
            }
        })
    )

The FillMode.Outline value is reflected through the k-input-outline class applied to the span.k-dropdowngrid wrapping element:

<span class="k-input k-combobox k-widget k-dropdowngrid k-combobox-clearable k-input-outline k-input-md k-rounded-full">
</span>

Old vs New Rendering

The differences between the old and the new rendering of the MultiColumnComboBox are shown below. Some of the HTML elements rendered before are replaced with other elements in the new rendering.

Old Wrapper Rendering:

 <span class="k-widget k-combobox k-dropdowngrid k-combobox-clearable" style="width: 100%;">
    <span tabindex="-1" unselectable="on" class="k-dropdown-wrap k-state-default">
        <input class="k-input sessioncamexclude" type="text" autocomplete="off" title="" role="combobox" aria-expanded="false" style="" tabindex="0" aria-disabled="false" aria-readonly="false" aria-autocomplete="list" aria-owns="customers_listbox" aria-controls="customers_listbox" aria-labelledby="customers_label" aria-busy="false" aria-activedescendant="ecee8835-b68f-45b5-9a5d-b6fff8c30b09">
        <span unselectable="on" class="k-clear-value k-hidden" title="clear" role="button" tabindex="-1">
            <span class="k-icon k-i-x"></span>
        </span>
        <span unselectable="on" class="k-select" aria-label="select" role="button" tabindex="-1" aria-controls="customers_listbox">
            <span class="k-icon k-i-arrow-60-down"></span>
        </span>
    </span>
    <input id="customers" style="width: 100%; display: none;" data-role="multicolumncombobox" aria-disabled="false" aria-readonly="false">
</span>

Old Popup Rendering without virtualization:

<div class="k-list-container k-popup k-group k-reset k-dropdowngrid-popup k-popup-flush" id="multicolumncombobox-list" data-role="popup" aria-hidden="true" style="position: absolute; font-size: 14px; font-family: &quot;Times New Roman&quot;; font-stretch: 100%; font-style: normal; font-weight: 400; line-height: 20px; width: 173.597px; min-width: 173.597px; white-space: normal; height: auto; display: none; transform: translateY(-110px);">
  <div class="k-grid-header" style="padding-right: 0px;">
    <div class="k-grid-header-wrap">
      <table role="presentation">
        <colgroup>
          <col>
          <col>
        </colgroup>
        <tbody>
          <tr>
            <th class="k-header"></th>
            <th class="k-header"></th>
          </tr>
        </tbody>
      </table>
    </div>
  </div>
  <div class="k-group-header" style="display:none"></div>
  <div class="k-list-scroller" unselectable="on" style="height: auto;">
    <ul unselectable="on" class="k-reset k-grid-list" tabindex="-1" aria-hidden="true" id="multicolumncombobox_listbox" aria-live="off" data-role="staticlist" role="listbox">
      <li tabindex="-1" role="option" unselectable="on" class="k-item k-state-focused" aria-selected="false" data-offset-index="0" id="a2ccd9ae-e206-49af-b205-86619abac6c3">
        <span class="k-cell"></span>
        <span class="k-cell"></span>
      </li>
      <li tabindex="-1" role="option" unselectable="on" class="k-item" aria-selected="false" data-offset-index="1">
        <span class="k-cell"></span>
        <span class="k-cell"></span>
      </li>
    </ul>
  </div>
  <div class="k-nodata" style="display:none">
    <div>No data found.</div>
  </div>
</div>

Old Popup Rendering with virtualization:

<div class="k-list-container k-popup k-group k-reset k-dropdowngrid-popup k-popup-flush" id="orders-list" data-role="popup" style="position: absolute; width: 617px; font-size: 14px; font-family: Arial, Helvetica, sans-serif; font-stretch: 100%; font-style: normal; font-weight: 400; line-height: 20px; display: none; transform: translateY(-698px);" aria-hidden="true">
  <div class="k-grid-header" style="padding-right: 17px;">
    <div class="k-grid-header-wrap">
      <table role="presentation">
        <colgroup>
          <col>
          ...
        </colgroup>
        <tbody>
          <tr>
            <th class="k-header"></th>
            ...
          </tr>
        </tbody>
      </table>
    </div>
  </div>
  <div class="k-virtual-wrap">
    <div class="k-group-header" style="display: none;"></div>
    <div unselectable="on" class="k-virtual-content" style="height: 660px;">
      <ul unselectable="on" class="k-reset k-grid-list k-virtual-list" tabindex="-1" aria-hidden="true" id="orders_listbox" aria-live="polite" data-role="virtuallist" role="listbox">
        <li tabindex="-1" class="k-virtual-item k-item" role="option" data-uid="c1b3ca35-709f-4a60-9be3-62bd7dc4adb3" data-offset-index="0" id="efe261e3-c721-45e7-8d8a-3a9f397dbb2c" style="height: 33px; min-height: 33px; transform: translateY(0px);">
          <span class="k-cell" style="width:100px;">10248</span>
          <span class="k-cell" style="width:300px;">Vins et alcools Chevalier</span>
          <span class="k-cell" style="width:200px;">France</span>
        </li>
        ...
      </ul>
      <div class="k-height-container">
        <div style="height: 27390px;"></div>
      </div>
    </div>
  </div>
  <div class="k-nodata" style="display:none">
    <div>No data found.</div>
  </div>
</div>

New Wrapper Rendering:

<span class="k-input k-combobox k-widget k-dropdowngrid k-combobox-clearable k-input-solid k-input-md k-rounded-md">
    <input class="k-input-inner">
    <span class="k-clear-value k-hidden" title="clear" role="button" tabindex="-1">
        <span class="k-icon k-i-x"></span>
    </span>
    <button class="k-select k-input-button k-button k-button-md k-rounded-md k-button-solid k-button-solid-base k-icon-button">
        <span class="k-icon k-i-arrow-s k-button-icon"></span>
    </button>
</span>

New Popup Rendering without virtualization:

<div class="k-popup k-group k-reset k-dropdowngrid-popup k-popup-flush">
    <div class="k-data-table k-table-md">
        <div class="k-list-header">
            [Header template]
        </div>
        <div class="k-table-header">
            <div class="k-table-header-wrap">
                <table class="k-table">
                    <colgroup>
                        <col>
                        <col>
                        ...
                    </colgroup>
                    <thead class="k-table-thead">
                        <tr class="k-table-row">
                            <th class="k-table-th">Name</th>
                            <th class="k-table-th">ID</th>
                            ...
                        </tr>
                        <tr class="k-table-group-row">
                            <th class="k-table-th" colspan="2">Argentina</th>
                        </tr>
                    </thead>
                </table>
            </div>
        </div>
        <div class="k-table-body k-table-scroller" >
            <ul class="k-table k-table-list">
                <li class="k-table-row k-focus">
                    <span class="k-table-td">Patricio Simpson</span>
                    <span class="k-table-td">CACTU</span>
                    <span class="k-table-td k-table-spacer-td"></span>
                </li>
                ...
                <li class="k-table-row k-table-alt-row k-first">
                    <span class="k-table-td">Roland Mendel</span>
                    <span class="k-table-td">ERNSH</span>
                    <span class="k-table-td k-table-group-td">
                    <span>Austria</span>
                    </span>
                </li>
                ...
            </ul>
        </div>
        <div class="k-nodata" style="display:none">
            <div>No data found.</div>
        </div>
        <div class="k-list-footer">
            [Footer template]
        </div>
    </div>
</div>

New Popup Rendering with virtualization:

<div class="k-popup k-group k-reset k-dropdowngrid-popup k-popup-flush">
    <div class="k-data-table k-table-md k-virtual-table">
        <div class="k-list-header">
            [Header template]
        </div>
        <div class="k-table-header">
            <div class="k-table-header-wrap">
                <table class="k-table">
                    <colgroup>
                        <col>
                        <col>
                        ...
                    </colgroup>
                    <thead class="k-table-thead">
                        <tr class="k-table-row">
                            <th class="k-table-th">Name</th>
                            <th class="k-table-th">ID</th>
                            ...
                        </tr>
                        <tr class="k-table-group-row">
                            <th class="k-table-th" colspan="2">Argentina</th>
                        </tr>
                    </thead>
                </table>
            </div>
        </div>
        <div class="k-table-body k-table-scroller k-virtual-content">
            <ul class="k-table k-table-list">
                <li class="k-table-row k-first">
                    <span class="k-table-td">Océano Atlántico Ltda.</span>
                    <span class="k-table-td">10409</span>
                    <span class="k-table-td k-table-spacer-td"></span>
                </li>
                ...
                <li class="k-table-row k-first">
                    <span class="k-table-td">Ernst Handel</span>
                    <span class="k-table-td">10258</span>
                    <span class="k-table-td k-table-group-td">
                    <span>Austria</span>
                    </span>
                </li>
                ...
            </ul>
            <div class="k-height-container">
                <div style="..."></div>
            </div>
        </div>
        <div class="k-nodata" style="display:none">
            <div>No data found.</div>
        </div>
        <div class="k-list-footer">
            [Footer template]
        </div>
    </div>
</div>

Visual Backwards Compatibility

In order to achieve the same look and feel as the old rendering, use the classes available in the new rendering. Visit the CSS Classes Migration and JQuery Selectors Migration sections of the Appearance Overview article for additional information.

If you use a LESS theme, the new rendering will support only the default options.

The following example showcases how to change the background colors of the input and button elements of the MultiColumnComboBox in both the new, and the old rendering:

    <style>
      /* Doesn't work BEFORE R1 2022 */
        .k-input-inner{ /* change the input field style */
            background-color:red;
        }
        .k-input-button{ /* changes the button style */
            background-color:orange;
        }
        .k-table-thead{ /* changes the style of the column headers */
            background-color:green;
        }
        .k-table-td{ /* changes the style of the cells */
            background-color:purple;
        }

      /* Doesn't work AFTER R1 2022 */
        .k-input{ /* change the input field style */
            background-color:red;
        }
        .k-select{ /* changes the button style */
            background-color:orange;
        }
        .k-header{ /* changes the style of the column headers */
            background-color:green !important;
        }
        .k-cell{ /* changes the style of the cells */
            background-color:purple;
        }
    </style>

Appearance

Options

Size

Rounded

FillMode

Old vs New Rendering

Visual Backwards Compatibility

See Also

Getting Started

Support Resources

Community

Product Bundles

DevCraft

Web

Mobile

Document Management

Desktop

Reporting

Testing & Mocking

CMS

UI/UX Tools

Debugging

Free Tools

Support and Learning

Productivity and Design Tools

Getting Started

Support Resources

Community