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ExtendedDropDownList Class
Extends dropdown list. Adds possibility to save all attributes of Items to ViewState, so for example CSS class of Items persist through PostBack.
Inheritance Hierarchy

Namespace: CMS.ExtendedControls
Assembly: CMS.ExtendedControls (in CMS.ExtendedControls.dll) Version: 8.2.23
Syntax
C#
[SerializableAttribute]
public class ExtendedDropDownList : CMSDropDownList

The ExtendedDropDownList type exposes the following members.

Constructors
  NameDescription
Public methodExtendedDropDownList
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Methods
  NameDescription
Protected methodLoadViewState
Loads the previously saved view state of the System.Web.UI.WebControls.DetailsView control.
(Overrides ListControlLoadViewState(Object).)
Protected methodOnInit
Initializes control
(Inherited from CMSDropDownList.)
Protected methodOnPreRender
PreRender event handler.
(Inherited from CMSDropDownList.)
Protected methodSaveViewState
Saves the current view state of the System.Web.UI.WebControls.ListControl - derived control and the items it contains.
(Overrides ListControlSaveViewState.)
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Extension Methods
  NameDescription
Public Extension MethodAddCssClass
Adds CSS class to control. If class is already present, than adding is skipped. Class names are case sensitive.
(Defined by ControlsExtensions.)
Public Extension MethodAsValue
Converts object to a query value which can be used as a query parameter
(Defined by QueryExtensions.)
Public Extension MethodCallHandled
Calls the method handled by the exception handler. If the call doesn't succeed, the problem is reported through parent IExceptionHandler control instead of throwing unhandled exception for the entire page. Returns true, if the call succeeded, otherwise returns false.
(Defined by ControlsExtensions.)
Public Extension MethodGetAPIString
Gets the string by the specified resource key
(Defined by CoreExtensions.)
Public Extension MethodGetCssClasses
Returns all CSS classes of control.
(Defined by ControlsExtensions.)
Public Extension MethodGetRenderedHTML
Returns HTML which would be rendered by control to page.
(Defined by ControlsExtensions.)
Public Extension MethodGetSelectedItems
Returns all selected items.
(Defined by ListControlExtensions.)
Public Extension MethodGetString
Gets the string by the specified resource key
(Defined by CoreExtensions.)
Public Extension MethodHasCssClass
Checks whether the control has given CSS class. Class names are case sensitive.
(Defined by ControlsExtensions.)
Public Extension MethodHasValue
Returns true when at least one item is selected.
(Defined by ListControlExtensions.)
Public Extension MethodRemoveCssClass
Removes all occurrences. Class names are case sensitive.
(Defined by ControlsExtensions.)
Public Extension MethodSetCssClasses
Sets CSS classes to the control. Current classes will be overridden.
(Defined by ControlsExtensions.)
Public Extension MethodSortItems
Sorts list items alphabetically.
(Defined by ListControlExtensions.)
Public Extension MethodToBoolean
Returns the boolean representation of an object or default value if not.
(Defined by CoreExtensions.)
Public Extension MethodToDateTime
Returns the DateTime representation of an object or default value if not.
(Defined by CoreExtensions.)
Public Extension MethodToDouble
Returns the double representation of an object or default value if not.
(Defined by CoreExtensions.)
Public Extension MethodToGuid
Returns the Guid representation of an object or default value if not.
(Defined by CoreExtensions.)
Public Extension MethodToInteger
Returns the integer representation of an object or default value if not.
(Defined by CoreExtensions.)
Public Extension MethodToString
Returns the string representation of an object or default value if not.
(Defined by CoreExtensions.)
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Properties
  NameDescription
Public propertySaveItemAttributesToViewState
Allows to save all attributes of inner items to viewstate.
Public propertySource
Localized string source property - may be 'database' or 'file'.
(Inherited from CMSDropDownList.)
Public propertyToolTipResourceString
Name of a resource string used for tooltip.
(Inherited from CMSDropDownList.)
Public propertyUseResourceStrings
Use resource strings instead of item texts.
(Inherited from CMSDropDownList.)
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See Also