Class DropDownListBuilder

Inheritance
System.Object
ControlBuilder
DropDownListBuilder
Inherited Members
Namespace: Syncfusion.EJ2.DropDowns
Assembly: Syncfusion.EJ2.dll
Syntax
public class DropDownListBuilder : ControlBuilder

Constructors

DropDownListBuilder()

Declaration
public DropDownListBuilder()

DropDownListBuilder(DropDownList)

Declaration
public DropDownListBuilder(DropDownList model)
Parameters
Type Name Description
DropDownList model

Fields

model

Declaration
public DropDownList model
Field Value
Type Description
DropDownList

Properties

HtmlAttr

Declaration
public IDictionary<string, object> HtmlAttr { get; set; }
Property Value
Type Description
System.Collections.Generic.IDictionary<System.String, System.Object>

ID

Declaration
public string ID { get; set; }
Property Value
Type Description
System.String

Output

Declaration
public override TextWriter Output { get; set; }
Property Value
Type Description
System.IO.TextWriter
Overrides

Methods

ActionBegin(String)

Triggers before fetching data from the remote server.

Declaration
public DropDownListBuilder ActionBegin(string actionBegin)
Parameters
Type Name Description
System.String actionBegin
Returns
Type Description
DropDownListBuilder

ActionComplete(String)

Triggers after data is fetched successfully from the remote server.

Declaration
public DropDownListBuilder ActionComplete(string actionComplete)
Parameters
Type Name Description
System.String actionComplete
Returns
Type Description
DropDownListBuilder

ActionFailure(String)

Triggers when the data fetch request from the remote server fails.

Declaration
public DropDownListBuilder ActionFailure(string actionFailure)
Parameters
Type Name Description
System.String actionFailure
Returns
Type Description
DropDownListBuilder

ActionFailureTemplate(String)

Accepts the template and assigns it to the popup list content of the component when the data fetch request from the remote server fails.

Declaration
public DropDownListBuilder ActionFailureTemplate(string actionFailureTemplate)
Parameters
Type Name Description
System.String actionFailureTemplate
Returns
Type Description
DropDownListBuilder

AllowFiltering(Boolean)

When allowFiltering is set to true, show the filter bar (search box) of the component. The filter action retrieves matched items through the filtering event based on the characters typed in the search TextBox.

Declaration
public DropDownListBuilder AllowFiltering(bool allowFiltering = true)
Parameters
Type Name Description
System.Boolean allowFiltering
Returns
Type Description
DropDownListBuilder

BeforeOpen(String)

Triggers when the popup before opens.

Declaration
public DropDownListBuilder BeforeOpen(string beforeOpen)
Parameters
Type Name Description
System.String beforeOpen
Returns
Type Description
DropDownListBuilder

Blur(String)

Triggers when focus moves out from the component.

Declaration
public DropDownListBuilder Blur(string blur)
Parameters
Type Name Description
System.String blur
Returns
Type Description
DropDownListBuilder

Change(String)

Triggers when an item in a popup is selected or when the model value is changed by user. Use change event to Configure the Cascading DropDownList

Declaration
public DropDownListBuilder Change(string change)
Parameters
Type Name Description
System.String change
Returns
Type Description
DropDownListBuilder

Close(String)

Triggers when the popup is closed.

Declaration
public DropDownListBuilder Close(string close)
Parameters
Type Name Description
System.String close
Returns
Type Description
DropDownListBuilder

Created(String)

Triggers when the component is created.

Declaration
public DropDownListBuilder Created(string created)
Parameters
Type Name Description
System.String created
Returns
Type Description
DropDownListBuilder

CssClass(String)

Sets CSS classes to the root element of the component that allows customization of appearance.

Declaration
public DropDownListBuilder CssClass(string cssClass)
Parameters
Type Name Description
System.String cssClass
Returns
Type Description
DropDownListBuilder

DataBound(String)

Triggers when data source is populated in the popup list..

Declaration
public DropDownListBuilder DataBound(string dataBound)
Parameters
Type Name Description
System.String dataBound
Returns
Type Description
DropDownListBuilder

DataSource(Action<DataManagerBuilder>)

Declaration
public DropDownListBuilder DataSource(Action<DataManagerBuilder> dataSource)
Parameters
Type Name Description
System.Action<DataManagerBuilder> dataSource
Returns
Type Description
DropDownListBuilder

DataSource(Double[])

Accepts the list items either through local or remote service and binds it to the component. It can be an array of JSON Objects or an instance of DataManager.

Declaration
public DropDownListBuilder DataSource(double[] dataSource)
Parameters
Type Name Description
System.Double[] dataSource
Returns
Type Description
DropDownListBuilder

DataSource(Object)

Accepts the list items either through local or remote service and binds it to the component. It can be an array of JSON Objects or an instance of DataManager.

Declaration
public DropDownListBuilder DataSource(object dataSource)
Parameters
Type Name Description
System.Object dataSource
Returns
Type Description
DropDownListBuilder

DataSource(String[])

Accepts the list items either through local or remote service and binds it to the component. It can be an array of JSON Objects or an instance of DataManager.

Declaration
public DropDownListBuilder DataSource(string[] dataSource)
Parameters
Type Name Description
System.String[] dataSource
Returns
Type Description
DropDownListBuilder

Destroyed(String)

Triggers when the component is destroyed.

Declaration
public DropDownListBuilder Destroyed(string destroyed)
Parameters
Type Name Description
System.String destroyed
Returns
Type Description
DropDownListBuilder

Enabled(Boolean)

Specifies a value that indicates whether the component is enabled or not.

Declaration
public DropDownListBuilder Enabled(bool enabled = true)
Parameters
Type Name Description
System.Boolean enabled
Returns
Type Description
DropDownListBuilder

EnablePersistence(Boolean)

Enable or disable persisting component's state between page reloads. If enabled, following list of states will be persisted.

  1. value
Declaration
public DropDownListBuilder EnablePersistence(bool enablePersistence = true)
Parameters
Type Name Description
System.Boolean enablePersistence
Returns
Type Description
DropDownListBuilder

EnableRtl(Boolean)

Enable or disable rendering component in right to left direction.

Declaration
public DropDownListBuilder EnableRtl(bool enableRtl = true)
Parameters
Type Name Description
System.Boolean enableRtl
Returns
Type Description
DropDownListBuilder

EnableVirtualization(Boolean)

Defines whether to enable virtual scrolling in the component.

Declaration
public DropDownListBuilder EnableVirtualization(bool enableVirtualization = true)
Parameters
Type Name Description
System.Boolean enableVirtualization
Returns
Type Description
DropDownListBuilder

Fields(DropDownListFieldSettings)

The fields property maps the columns of the data table and binds the data to the component. text - Maps the text column from data table for each list item. value - Maps the value column from data table for each list item. iconCss - Maps the icon class column from data table for each list item. groupBy - Group the list items with it's related items by mapping groupBy field.

Declaration
public DropDownListBuilder Fields(DropDownListFieldSettings fields)
Parameters
Type Name Description
DropDownListFieldSettings fields
Returns
Type Description
DropDownListBuilder

Fields(Action<DropDownListFieldSettingsBuilder>)

Declaration
public DropDownListBuilder Fields(Action<DropDownListFieldSettingsBuilder> fields)
Parameters
Type Name Description
System.Action<DropDownListFieldSettingsBuilder> fields
Returns
Type Description
DropDownListBuilder

FilterBarPlaceholder(String)

Accepts the value to be displayed as a watermark text on the filter bar.

Declaration
public DropDownListBuilder FilterBarPlaceholder(string filterBarPlaceholder)
Parameters
Type Name Description
System.String filterBarPlaceholder
Returns
Type Description
DropDownListBuilder

Filtering(String)

Triggers on typing a character in the filter bar when the allowFiltering is enabled.

For more details about the filtering refer to Filtering documentation.

Declaration
public DropDownListBuilder Filtering(string filtering)
Parameters
Type Name Description
System.String filtering
Returns
Type Description
DropDownListBuilder

FilterType(FilterType)

Determines on which filter type, the component needs to be considered on search action. The FilterType and its supported data types are

Declaration
public DropDownListBuilder FilterType(FilterType filterType)
Parameters
Type Name Description
FilterType filterType
Returns
Type Description
DropDownListBuilder

FloatLabelType(FloatLabelType)

Specifies whether to display the floating label above the input element. Possible values are: Never: The label will never float in the input when the placeholder is available. Always: The floating label will always float above the input. Auto: The floating label will float above the input after focusing or entering a value in the input.

Declaration
public DropDownListBuilder FloatLabelType(FloatLabelType floatLabelType)
Parameters
Type Name Description
FloatLabelType floatLabelType
Returns
Type Description
DropDownListBuilder

Focus(String)

Triggers when the component is focused.

Declaration
public DropDownListBuilder Focus(string focus)
Parameters
Type Name Description
System.String focus
Returns
Type Description
DropDownListBuilder

FooterTemplate(String)

Accepts the template design and assigns it to the footer container of the popup list.

For more details about the available template options refer to Template documentation.

Declaration
public DropDownListBuilder FooterTemplate(string footerTemplate)
Parameters
Type Name Description
System.String footerTemplate
Returns
Type Description
DropDownListBuilder

GroupTemplate(String)

Accepts the template design and assigns it to the group headers present in the popup list.

Declaration
public DropDownListBuilder GroupTemplate(string groupTemplate)
Parameters
Type Name Description
System.String groupTemplate
Returns
Type Description
DropDownListBuilder

HeaderTemplate(String)

Accepts the template design and assigns it to the header container of the popup list.

For more details about the available template options refer to Template documentation.

Declaration
public DropDownListBuilder HeaderTemplate(string headerTemplate)
Parameters
Type Name Description
System.String headerTemplate
Returns
Type Description
DropDownListBuilder

HtmlAttributes(Object)

Allows additional HTML attributes such as title, name, etc., and accepts n number of attributes in a key-value pair format.

Declaration
public DropDownListBuilder HtmlAttributes(object htmlAttributes)
Parameters
Type Name Description
System.Object htmlAttributes
Returns
Type Description
DropDownListBuilder

IgnoreAccent(Boolean)

ignoreAccent set to true, then ignores the diacritic characters or accents when filtering.

Declaration
public DropDownListBuilder IgnoreAccent(bool ignoreAccent = true)
Parameters
Type Name Description
System.Boolean ignoreAccent
Returns
Type Description
DropDownListBuilder

IgnoreCase(Boolean)

When set to ‘false’, consider the case-sensitive on performing the search to find suggestions. By default consider the casing.

Declaration
public DropDownListBuilder IgnoreCase(bool ignoreCase = true)
Parameters
Type Name Description
System.Boolean ignoreCase
Returns
Type Description
DropDownListBuilder

Index(Double)

Gets or sets the index of the selected item in the component.

Declaration
public DropDownListBuilder Index(double index)
Parameters
Type Name Description
System.Double index
Returns
Type Description
DropDownListBuilder

ItemTemplate(String)

Accepts the template design and assigns it to each list item present in the popup. We have built-in template engine

Declaration
public DropDownListBuilder ItemTemplate(string itemTemplate)
Parameters
Type Name Description
System.String itemTemplate
Returns
Type Description
DropDownListBuilder

Locale(String)

Overrides the global culture and localization value for this component. Default global culture is 'en-US'.

Declaration
public DropDownListBuilder Locale(string locale)
Parameters
Type Name Description
System.String locale
Returns
Type Description
DropDownListBuilder

NoRecordsTemplate(String)

Accepts the template design and assigns it to popup list of component when no data is available on the component.

Declaration
public DropDownListBuilder NoRecordsTemplate(string noRecordsTemplate)
Parameters
Type Name Description
System.String noRecordsTemplate
Returns
Type Description
DropDownListBuilder

Open(String)

Triggers when the popup opens.

Declaration
public DropDownListBuilder Open(string open)
Parameters
Type Name Description
System.String open
Returns
Type Description
DropDownListBuilder

Placeholder(String)

Specifies a short hint that describes the expected value of the DropDownList component.

Declaration
public DropDownListBuilder Placeholder(string placeholder)
Parameters
Type Name Description
System.String placeholder
Returns
Type Description
DropDownListBuilder

PopupHeight(String)

Specifies the height of the popup list.

For more details about the popup configuration refer to Popup Configuration documentation.

Declaration
public DropDownListBuilder PopupHeight(string popupHeight)
Parameters
Type Name Description
System.String popupHeight
Returns
Type Description
DropDownListBuilder

PopupWidth(String)

Specifies the width of the popup list. By default, the popup width sets based on the width of the component.

For more details about the popup configuration refer to Popup Configuration documentation.

Declaration
public DropDownListBuilder PopupWidth(string popupWidth)
Parameters
Type Name Description
System.String popupWidth
Returns
Type Description
DropDownListBuilder

Query(String)

Accepts the external Query that execute along with data processing.

Declaration
public DropDownListBuilder Query(string query)
Parameters
Type Name Description
System.String query
Returns
Type Description
DropDownListBuilder

Readonly(Boolean)

Declaration
public DropDownListBuilder Readonly(bool readOnly = true)
Parameters
Type Name Description
System.Boolean readOnly
Returns
Type Description
DropDownListBuilder

Render()

Declaration
public HtmlString Render()
Returns
Type Description
Microsoft.AspNetCore.Html.HtmlString

Select(String)

Triggers when an item in the popup is selected by the user either with mouse/tap or with keyboard navigation.

Declaration
public DropDownListBuilder Select(string select)
Parameters
Type Name Description
System.String select
Returns
Type Description
DropDownListBuilder

ShowClearButton(Boolean)

Specifies whether to show or hide the clear button. When the clear button is clicked, value, text, and index properties are reset to null.

Declaration
public DropDownListBuilder ShowClearButton(bool showClearButton = true)
Parameters
Type Name Description
System.Boolean showClearButton
Returns
Type Description
DropDownListBuilder

SortOrder(Object)

Specifies the sortOrder to sort the data source. The available type of sort orders are None - The data source is not sorting. Ascending - The data source is sorting with ascending order. Descending - The data source is sorting with descending order.

Declaration
public DropDownListBuilder SortOrder(object sortOrder)
Parameters
Type Name Description
System.Object sortOrder
Returns
Type Description
DropDownListBuilder

Text(String)

Gets or sets the display text of the selected item in the component.

Declaration
public DropDownListBuilder Text(string text)
Parameters
Type Name Description
System.String text
Returns
Type Description
DropDownListBuilder

Value(Boolean)

Gets or sets the value of the selected item in the component.

Declaration
public DropDownListBuilder Value(bool value = true)
Parameters
Type Name Description
System.Boolean value
Returns
Type Description
DropDownListBuilder

Value(Double)

Gets or sets the value of the selected item in the component.

Declaration
public DropDownListBuilder Value(double value)
Parameters
Type Name Description
System.Double value
Returns
Type Description
DropDownListBuilder

Value(Object)

Gets or sets the value of the selected item in the component.

Declaration
public DropDownListBuilder Value(object value)
Parameters
Type Name Description
System.Object value
Returns
Type Description
DropDownListBuilder

Value(String)

Gets or sets the value of the selected item in the component.

Declaration
public DropDownListBuilder Value(string value)
Parameters
Type Name Description
System.String value
Returns
Type Description
DropDownListBuilder

ValueTemplate(String)

Accepts the template design and assigns it to the selected list item in the input element of the component. For more details about the available template options refer to Template documentation.

Declaration
public DropDownListBuilder ValueTemplate(string valueTemplate)
Parameters
Type Name Description
System.String valueTemplate
Returns
Type Description
DropDownListBuilder

Width(String)

Specifies the width of the component. By default, the component width sets based on the width of its parent container. You can also set the width in pixel values.

Declaration
public DropDownListBuilder Width(string width)
Parameters
Type Name Description
System.String width
Returns
Type Description
DropDownListBuilder

ZIndex(Double)

specifies the z-index value of the component popup element.

Declaration
public DropDownListBuilder ZIndex(double zIndex)
Parameters
Type Name Description
System.Double zIndex
Returns
Type Description
DropDownListBuilder