Class DnnDropDownList

Inheritance

System.Object

DnnDropDownList

DnnFileDropDownList

DnnFolderDropDownList

DnnPageDropDownList

DnnPortalPageDropDownList

Implements

INamingContainer

Namespace: DotNetNuke.Web.UI.WebControls

Assembly: DotNetNuke.Web.dll

Syntax

public class DnnDropDownList : Panel

Properties

AutoPostBack

Gets or sets a value indicating whether a postback to the server automatically occurs when the user changes the list selection.

Declaration

public bool AutoPostBack { get; set; }

Property Value

Type	Description
System.Boolean	true if a postback to the server automatically occurs whenever the user changes the selection of the list; otherwise, false. The default is false.

CausesValidation

Gets or sets a value indicating whether validation is performed when a control is clicked.

Declaration

public virtual bool CausesValidation { get; set; }

Property Value

Type	Description
System.Boolean

Controls

Declaration

public override ControlCollection Controls { get; }

Property Value

Type	Description
ControlCollection

ExpandPath

Gets or sets when the tree view in drop down has multiple level nodes, and the initial selected item is a child node. we need expand its parent nodes to make it selected.

Declaration

public string ExpandPath { get; set; }

Property Value

Type	Description
System.String

FirstItem

Gets or sets item to be displayed as first item.

Declaration

public ListItem FirstItem { get; set; }

Property Value

Type	Description
ListItem

OnClientSelectionChanged

Gets register a list of JavaScript methods that are executed when the selection from the list control changes on the client.

Declaration

public List<string> OnClientSelectionChanged { get; }

Property Value

Type	Description
List<System.String>

SelectedItem

Gets or sets the selected item in the control, or selects the item in the control.

Declaration

public ListItem SelectedItem { get; set; }

Property Value

Type	Description
ListItem

SelectedItemValueAsInt

Gets when this method returns, contains the 32-bit signed integer value equivalent to the number contained in SelectedItem.Value, if the conversion succeeded, or Null.NullInteger if the conversion failed.

Declaration

public int SelectedItemValueAsInt { get; }

Property Value

Type	Description
System.Int32

SelectItemDefaultText

Sets dropDownList Caption when no Item is selected.

Declaration

public string SelectItemDefaultText { set; }

Property Value

Type	Description
System.String

Services

Declaration

public ItemListServicesOptions Services { get; }

Property Value

Type	Description
ItemListServicesOptions

Skin

Declaration

public string Skin { get; set; }

Property Value

Type	Description
System.String

StateControl

Declaration

protected DnnGenericHiddenField<DnnDropDownListState> StateControl { get; }

Property Value

Type	Description
DnnGenericHiddenField<DnnDropDownListState>

UndefinedItem

Gets or sets selectedItem's value when SelectedItem is not explicitly specified (i.e. equals null); Always displayed as first option in the list.

Declaration

public ListItem UndefinedItem { get; set; }

Property Value

Type	Description
ListItem

ValidationGroup

Gets or sets the group of controls for which the control causes validation when it posts back to the server.

Declaration

public virtual string ValidationGroup { get; set; }

Property Value

Type	Description
System.String

Methods

CreateChildControls()

Declaration

protected override void CreateChildControls()

OnInit(EventArgs)

Declaration

protected override void OnInit(EventArgs e)

Parameters

Type	Name	Description
EventArgs	e

OnPreRender(EventArgs)

Declaration

protected override void OnPreRender(EventArgs e)

Parameters

Type	Name	Description
EventArgs	e

OnSelectionChanged(EventArgs)

Declaration

protected virtual void OnSelectionChanged(EventArgs e)

Parameters

Type	Name	Description
EventArgs	e

Events

SelectionChanged

Occurs when the selection from the list control changes between posts to the server.

Declaration

public event EventHandler SelectionChanged

Event Type

Type	Description
EventHandler

Implements

INamingContainer

Extension Methods

JsonExtensionsWeb.ToJson(Object)