DropDown<T> Class

DropDown control (abstract) contains an input element and a button used to show or hide the drop-down.

Inheritance

object

Component

Control

ItemsBoundControl<T>

DropDown<T>

ComboBoxBase<T>

Implements

IHtmlContent

ITemplate

IDropDown

Namespace: C1.Web.Mvc

Assembly: C1.AspNetCore.Mvc.dll

Syntax

public abstract class DropDown<T> : ItemsBoundControl<T>, IHtmlContent, ITemplate, IDropDown

Public MustInherit Class DropDown(Of T)
    Inherits ItemsBoundControl(Of T)
    Implements IHtmlContent, ITemplate, IDropDown

Type Parameters

Name	Description
T

Remarks

Derived classes must override the _createDropDown method to create whatever editor they want to show in the drop down area (a list of items, a calendar, a color editor, etc).

Constructors

Name	Description
DropDown(IHtmlHelper, string)	Creates one DropDown<T> instance.

Properties

Name	Description
AutoExpandSelection	Gets or sets a value that indicates whether the control should automatically expand the selection to whole words/numbers when the control is clicked.
ClickAction	Gets or sets a value that specifies the action to perform when the user clicks the input element in the control.
DropDownCssClass	Gets or sets a CSS class name to add to the control's drop-down element.
InputType	Gets or sets the "type" attribute of the HTML input element hosted by the control.
IsAnimated	Gets or sets a value that indicates whether the control should use a fade-in animation when displaying the drop-down.
IsDroppedDown	Gets or sets a value indicating whether the drop down is currently visible.
IsReadOnly	Gets or sets a value that indicates whether the user can modify the control value using the mouse and keyboard.
IsRequired	Gets or sets a value indicating whether the control value must be a non-empty string.
KeyActionDownArrow	Gets or sets the action to perform when the DOWN ARROW key is pressed.
KeyActionUpArrow	Gets or sets the action to perform when the UP ARROW key is pressed.
OnClientIsDroppedDownChanged	Occurs after the drop down is shown or hidden.
OnClientIsDroppedDownChanging	Occurs before the drop down is shown or hidden.
OnClientTextChanged	Occurs when the value of the Text property changes.
Placeholder	Gets or sets the string shown as a hint when the control is empty.
ShowDropDownButton	Gets or sets a value indicating whether the control should display a drop-down button.
Text	Gets or sets the text shown on the control.