Class DropDownList
Inheritance
Namespace: Syncfusion.EJ2.DropDowns
Assembly: Syncfusion.EJ2.dll
Syntax
public class DropDownList : EJTagHelper
Constructors
DropDownList()
Declaration
public DropDownList()
Properties
ActionBegin
Triggers before fetching data from the remote server.
Declaration
public string ActionBegin { get; set; }
Property Value
Type | Description |
---|---|
System.String | The default value is null |
ActionComplete
Triggers after data is fetched successfully from the remote server.
Declaration
public string ActionComplete { get; set; }
Property Value
Type | Description |
---|---|
System.String | The default value is null |
ActionFailure
Triggers when the data fetch request from the remote server fails.
Declaration
public string ActionFailure { get; set; }
Property Value
Type | Description |
---|---|
System.String | The default value is null |
ActionFailureTemplate
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 string ActionFailureTemplate { get; set; }
Property Value
Type | Description |
---|---|
System.String | The default value is "Request failed" |
AllowFiltering
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 bool AllowFiltering { get; set; }
Property Value
Type | Description |
---|---|
System.Boolean | The default value is false |
AllowObjectBinding
Defines whether the object binding is allowed or not in the component.
Declaration
public bool AllowObjectBinding { get; set; }
Property Value
Type | Description |
---|---|
System.Boolean | The default value is false |
BeforeOpen
Triggers when the popup before opens.
Declaration
public string BeforeOpen { get; set; }
Property Value
Type | Description |
---|---|
System.String | The default value is null |
Blur
Triggers when focus moves out from the component.
Declaration
public string Blur { get; set; }
Property Value
Type | Description |
---|---|
System.String | The default value is null |
Change
Declaration
public string Change { get; set; }
Property Value
Type | Description |
---|---|
System.String | The default value is null |
Close
Triggers when the popup is closed.
Declaration
public string Close { get; set; }
Property Value
Type | Description |
---|---|
System.String | The default value is null |
Created
Triggers when the component is created.
Declaration
public string Created { get; set; }
Property Value
Type | Description |
---|---|
System.String | The default value is null |
CssClass
Sets CSS classes to the root element of the component that allows customization of appearance.
Declaration
public string CssClass { get; set; }
Property Value
Type | Description |
---|---|
System.String | The default value is null |
DataBound
Triggers when data source is populated in the popup list..
Declaration
public string DataBound { get; set; }
Property Value
Type | Description |
---|---|
System.String | The default value is null |
DataSource
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 object DataSource { get; set; }
Property Value
Type | Description |
---|---|
System.Object | The default value is null |
Destroyed
Triggers when the component is destroyed.
Declaration
public string Destroyed { get; set; }
Property Value
Type | Description |
---|---|
System.String | The default value is null |
Enabled
Specifies a value that indicates whether the component is enabled or not.
Declaration
public bool Enabled { get; set; }
Property Value
Type | Description |
---|---|
System.Boolean | The default value is true |
EnablePersistence
Enable or disable persisting component's state between page reloads. If enabled, following list of states will be persisted.
- value
Declaration
public bool EnablePersistence { get; set; }
Property Value
Type | Description |
---|---|
System.Boolean | The default value is false |
EnableRtl
Enable or disable rendering component in right to left direction.
Declaration
public bool EnableRtl { get; set; }
Property Value
Type | Description |
---|---|
System.Boolean | The default value is false |
EnableVirtualization
Defines whether to enable virtual scrolling in the component.
Declaration
public bool EnableVirtualization { get; set; }
Property Value
Type | Description |
---|---|
System.Boolean | The default value is false |
Fields
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 DropDownListFieldSettings Fields { get; set; }
Property Value
Type | Description |
---|---|
DropDownListFieldSettings | The default value is null |
FilterBarPlaceholder
Accepts the value to be displayed as a watermark text on the filter bar.
Declaration
public string FilterBarPlaceholder { get; set; }
Property Value
Type | Description |
---|---|
System.String | The default value is null |
Filtering
Declaration
public string Filtering { get; set; }
Property Value
Type | Description |
---|---|
System.String | The default value is null |
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 FilterType FilterType { get; set; }
Property Value
Type | Description |
---|---|
FilterType | The default value is FilterType.StartsWith |
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 FloatLabelType FloatLabelType { get; set; }
Property Value
Type | Description |
---|---|
FloatLabelType | The default value is Syncfusion.EJ2.Inputs.FloatLabelType.Never |
Focus
Triggers when the component is focused.
Declaration
public string Focus { get; set; }
Property Value
Type | Description |
---|---|
System.String | The default value is null |
FooterTemplate
Declaration
public string FooterTemplate { get; set; }
Property Value
Type | Description |
---|---|
System.String | The default value is null |
For
Declaration
public override ModelExpression For { get; set; }
Property Value
Type |
---|
Microsoft.AspNetCore.Mvc.ViewFeatures.ModelExpression |
Overrides
GroupTemplate
Accepts the template design and assigns it to the group headers present in the popup list.
Declaration
public string GroupTemplate { get; set; }
Property Value
Type | Description |
---|---|
System.String | The default value is null |
HeaderTemplate
Declaration
public string HeaderTemplate { get; set; }
Property Value
Type | Description |
---|---|
System.String | The default value is null |
HtmlAttributes
Allows additional HTML attributes such as title, name, etc., and accepts n number of attributes in a key-value pair format.
Declaration
public object HtmlAttributes { get; set; }
Property Value
Type | Description |
---|---|
System.Object | The default value is null |
IgnoreAccent
ignoreAccent set to true, then ignores the diacritic characters or accents when filtering.
Declaration
public bool IgnoreAccent { get; set; }
Property Value
Type | Description |
---|---|
System.Boolean | The default value is null |
IgnoreCase
When set to ‘false’, consider the case-sensitive
on performing the search to find suggestions.
By default consider the casing.
Declaration
public bool IgnoreCase { get; set; }
Property Value
Type | Description |
---|---|
System.Boolean | The default value is true |
Index
Gets or sets the index of the selected item in the component.
Declaration
public double Index { get; set; }
Property Value
Type | Description |
---|---|
System.Double | The default value is Double.NaN |
IsDeviceFullScreen
Defines whether the popup opens in fullscreen mode on mobile devices when filtering is enabled. When set to false, the popup will display similarly on both mobile and desktop devices.
Declaration
public bool IsDeviceFullScreen { get; set; }
Property Value
Type | Description |
---|---|
System.Boolean | The default value is true |
ItemTemplate
Accepts the template design and assigns it to each list item present in the popup.
We have built-in template engine
Declaration
public string ItemTemplate { get; set; }
Property Value
Type | Description |
---|---|
System.String | The default value is null |
Locale
Overrides the global culture and localization value for this component. Default global culture is 'en-US'.
Declaration
public string Locale { get; set; }
Property Value
Type | Description |
---|---|
System.String | The default value is "en-US" |
NoRecordsTemplate
Accepts the template design and assigns it to popup list of component when no data is available on the component.
Declaration
public string NoRecordsTemplate { get; set; }
Property Value
Type | Description |
---|---|
System.String | The default value is "No records found" |
Open
Triggers when the popup opens.
Declaration
public string Open { get; set; }
Property Value
Type | Description |
---|---|
System.String | The default value is null |
Placeholder
Specifies a short hint that describes the expected value of the DropDownList component.
Declaration
public string Placeholder { get; set; }
Property Value
Type | Description |
---|---|
System.String | The default value is null |
PopupHeight
Declaration
public string PopupHeight { get; set; }
Property Value
Type | Description |
---|---|
System.String | The default value is "300px" |
PopupWidth
Declaration
public string PopupWidth { get; set; }
Property Value
Type | Description |
---|---|
System.String | The default value is "100%" |
Query
Accepts the external Query
that execute along with data processing.
Declaration
public string Query { get; set; }
Property Value
Type | Description |
---|---|
System.String | The default value is null |
Readonly
When set to true, the user interactions on the component are disabled.
Declaration
public bool Readonly { get; set; }
Property Value
Type | Description |
---|---|
System.Boolean | The default value is false |
Select
Triggers when an item in the popup is selected by the user either with mouse/tap or with keyboard navigation.
Declaration
public string Select { get; set; }
Property Value
Type | Description |
---|---|
System.String | The default value is null |
ShowClearButton
Declaration
public bool ShowClearButton { get; set; }
Property Value
Type |
---|
System.Boolean |
SortOrder
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 object SortOrder { get; set; }
Property Value
Type | Description |
---|---|
System.Object | The default value is null |
Text
Gets or sets the display text of the selected item in the component.
Declaration
public string Text { get; set; }
Property Value
Type | Description |
---|---|
System.String | The default value is null |
Value
Gets or sets the value of the selected item in the component.
Declaration
public object Value { get; set; }
Property Value
Type | Description |
---|---|
System.Object | The default value is null |
ValueTemplate
Declaration
public string ValueTemplate { get; set; }
Property Value
Type | Description |
---|---|
System.String | The default value is null |
Width
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 string Width { get; set; }
Property Value
Type | Description |
---|---|
System.String | The default value is "100%" |
ZIndex
specifies the z-index value of the component popup element.
Declaration
public double ZIndex { get; set; }
Property Value
Type | Description |
---|---|
System.Double | The default value is 1000 |