Silverlight - Calendar & DatePicker

Calendar & DatePicker represents a control that enables a user to select a date by using a visual calendar display. It provides some basic navigation using either the mouse or the keyboard. As you already know, Silverlight is not a strict subset of WPF. For example, WPF does not have controls for picking dates and Silverlight offers both calendar control and DatePicker.

Some important features are −

The calendar control is relatively large and its useful if you want to have a view of the whole.
The default appearance of DatePicker is more compact.
Its dimensions are more like those of a text field making it more suitable for forms with many fields.
The DatePicker expends to the Calendar like user interface.

The hierarchical inheritance of Calendar class is as follows −

Given below are the most commonly used properties of Calendar Class.

Given below are the most commonly used properties of Calendar.

Sr. No.	Properties & Description
1	BlackoutDates Gets a collection of dates that are marked as not selectable.
2	CalendarButtonStyle Gets or sets the Style associated with the control's internal CalendarButton object.
3	CalendarDayButtonStyle Gets or sets the Style associated with the control's internal CalendarDayButton object.
4	CalendarItemStyle Gets or sets the Style associated with the control's internal CalendarItem object.
5	DisplayDate Gets or sets the date to display.
6	DisplayDateEnd Gets or sets the last date in the date range that is available in the calendar.
7	DisplayDateStart Gets or sets the first date that is available in the calendar.
8	DisplayMode Gets or sets a value that indicates whether the calendar displays a month, year, or decade.
9	FirstDayOfWeek Gets or sets the day that is considered the beginning of the week.
10	IsTodayHighlighted Gets or sets a value that indicates whether the current date is highlighted.
11	SelectedDate Gets or sets the currently selected date.
12	SelectedDates Gets a collection of selected dates.
13	SelectionMode Gets or sets a value that indicates what kind of selections are allowed.

Given below are the commonly used methods of Calendar class.

Given below are the most commonly used methods of Calendar.

Sr. No.	Method & Description
1	OnApplyTemplate Builds the visual tree for the Calendar control when a new template is applied. (Overrides FrameworkElement.OnApplyTemplate()).
2	ToString Provides a text representation of the selected date. (Overrides Control.ToString()).

Sr. No.

Method & Description

OnApplyTemplate

Builds the visual tree for the Calendar control when a new template is applied. (Overrides FrameworkElement.OnApplyTemplate()).

ToString

Provides a text representation of the selected date. (Overrides Control.ToString()).

Given below are the commonly used events of Calendar class.

Given below are the most commonly used events of Calendar.

Sr. No.	Events & Description
1	DisplayDateChanged Occurs when the DisplayDate property is changed.
2	DisplayModeChanged Occurs when the DisplayMode property is changed.
3	SelectedDatesChanged Occurs when the collection returned by the SelectedDates property is changed.
4	SelectionModeChanged Occurs when the SelectionMode changes.

The hierarchical inheritance of DatePicker class is as follows −

Given below are some of the most commonly used properties of DatePicker.

Given below are the most commonly used properties of DatePicker.

Sr. No.	Property & Description
1	CalendarIdentifier Gets or sets the calendar system to use.
2	CalendarIdentifierProperty Gets the identifier for the CalendarIdentifier dependency property.
3	Date Gets or sets the date currently set in the date picker.
4	DateProperty Gets the identifier for the Date dependency property.
5	DayFormat Gets or sets the display format for the day value.
6	DayFormatProperty Gets the identifier for the DayFormat dependency property.
7	DayVisible Gets or sets a value that indicates whether the day selector is shown.
8	DayVisibleProperty Gets the identifier for the DayVisible dependency property.
9	Header Gets or sets the content for the control's header.
10	HeaderProperty Identifies the Header dependency property.
11	HeaderTemplate Gets or sets the DataTemplate used to display the content of the control's header.
12	HeaderTemplateProperty Identifies the HeaderTemplate dependency property.
13	MaxYear Gets or sets the maximum Gregorian year available for picking.
14	MaxYearProperty Gets the identifier for the MaxYear dependency property.
15	MinYear Gets or sets the minimum Gregorian year available for picking.
16	MinYearProperty Gets the identifier for the MinYear dependency property.
17	MonthFormat Gets or sets the display format for the month value.
18	MonthFormatProperty Gets the identifier for the MonthFormat dependency property.
19	MonthVisible Gets or sets a value that indicates whether the month selector is shown.
20	MonthVisibleProperty Gets the identifier for the MonthVisible dependency property.
21	Orientation Gets or sets a value that indicates whether the day, month, and year selectors are stacked horizontally or vertically.
22	OrientationProperty Gets the identifier for the Orientation dependency property.
23	YearFormat Gets or sets the display format for the year value.
24	YearFormatProperty Gets the identifier for the YearFormat dependency property.
25	YearVisible Gets or sets a value that indicates whether the year selector is shown.
26	YearVisibleProperty Gets the identifier for the YearVisible dependency property.

Given below are some of the most commonly used events of DatePicker class.

Given below are the most commonly used events of DatePicker.

Sr. No.	Event & Description
1	DateChanged Occurs when the date value is changed.
2	DragEnter Occurs when the input system reports an underlying drag event with this element as the target. (Inherited from UIElement)
3	DragLeave Occurs when the input system reports an underlying drag event with this element as the origin. (Inherited from UIElement)
4	DragOver Occurs when the input system reports an underlying drag event with this element as the potential drop target. (Inherited from UIElement)
5	DragStarting Occurs when a drag operation is initiated. (Inherited from UIElement)
6	GotFocus Occurs when a UIElement receives focus. (Inherited from UIElement)
7	Holding Occurs when an otherwise unhandled Hold interaction occurs over the hit test area of this element. (Inherited from UIElement)
8	IsEnabledChanged Occurs when the IsEnabled property changes. (Inherited from Control)
9	KeyDown Occurs when a keyboard key is pressed while the UIElement has focus. (Inherited from UIElement)
10	KeyUp Occurs when a keyboard key is released while the UIElement has focus. (Inherited from UIElement)
11	LostFocus Occurs when a UIElement loses focus. (Inherited from UIElement)

Given below are the most commonly used methods in DatePicker class.

Given below are the most commonly used methods of DatePicker.

Sr. No.	Method & Description
1	ClearValue Clears the local value of a dependency property. (Inherited from DependencyObject)
2	FindName Retrieves an object that has the specified identifier name. (Inherited from FrameworkElement)
3	OnApplyTemplate Invoked whenever application code or internal processes (such as a rebuilding layout pass) call ApplyTemplate. In simplest terms, this means the method is called just before a UI element displays in your app. Override this method to influence the default post-template logic of a class. (Inherited from FrameworkElement)
4	OnDragEnter Called before the DragEnter event occurs. (Inherited from Control)
5	OnDragLeave Called before the DragLeave event occurs. (Inherited from Control)
6	OnDragOver Called before the DragOver event occurs. (Inherited from Control)
7	OnDrop Called before the Drop event occurs. (Inherited from Control)
8	OnGotFocus Called before the GotFocus event occurs. (Inherited from Control)
9	OnKeyDown Called before the KeyDown event occurs. (Inherited from Control)
10	OnKeyUp Called before the KeyUp event occurs. (Inherited from Control)
11	OnLostFocus Called before the LostFocus event occurs. (Inherited from Control)
12	SetBinding Attaches a binding to a FrameworkElement, using the provided binding object. (Inherited from FrameworkElement)

Let us look at a simple example, which contains Calendar and DatePicker control.

<UserControl 
   xmlns = "http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
   xmlns:x = "http://schemas.microsoft.com/winfx/2006/xaml" 
   xmlns:d = "http://schemas.microsoft.com/expression/blend/2008" 
   xmlns:mc = "http://schemas.openxmlformats.org/markup-compatibility/2006" 
   xmlns:sdk = "http://schemas.microsoft.com/winfx/2006/xaml/presentation/sdk" 
   x:Class = "DateControls.MainPage" 
   mc:Ignorable = "d" 
   d:DesignHeight = "300" d:DesignWidth = "400">
   
   <Grid x:Name = "LayoutRoot" Background = "White">  
      <sdk:Calendar HorizontalAlignment = "Left" Height = "169" 
         Margin = "0,45,0,0" VerticalAlignment = "Top" Width = "230"/>
			
      <sdk:DatePicker HorizontalAlignment = "Left" Height = "23" 
         Margin = "216,29,0,0" VerticalAlignment = "Top" Width = "120"/>  
   </Grid> 
	
</UserControl>

When the above code is compiled and executed, you will see the following output.

silverlight_listbox.htm

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Silverlight - Calendar & DatePicker

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