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How Navigation works in Windows Phone Application using XAML

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Introduction 

Navigation means moving from one page to another page on a click. So today I will explain navigation from one page to another page. This article shows how to navigate to the next page with data. So let's start.

First create a Windows Phone blank app and put some controls in the MainPage.xaml. I have put only a single button for navigation but it depends on the kind of page you want to create and what controls you want to add. In my case I am using a single button control just to navigate from main page to my second page with data.

Here is the code: 

<Grid>  
    <StackPanel>  
        <TextBlock Text="MainPage.xaml"/>  
        <Button Content="Navigation Button" Name="Navigate"Click="Navigate_Click"/>  
    </StackPanel>  
</Grid> 

And I have added a sample class for defining some properties and assigning values to those properties and fetch those values and display on the next page.

So here is my class:

  1. public class NavigationClass  
    {  
        public int Id  
        {  
            get;  
            set;  
        }  
        public string Name  
        {  
            get;  
            set;  
             }  
        public int Age  
        {  
            get;  
            set;  
        }  
     

Now I am assigning some values to these properties and navigating to the next page with these values.

In mainPage.xaml.cs on the button click event I assign values and navigate to the next page:

   

private void Navigate_Click(object sender, RoutedEventArgs e)  
{  
   // Frame.Navigate(typeof(Page2),"Main Page");  
    NavigationClass navCl1 = new NavigationClass();  
    navCl1.Id = 12;  
    navCl1.Name="Your name";  
    navCl1.Age = 22;  
    Frame.Navigate(typeof(Page2) , navCl1);  
}   

 



So when the navigate button is clicked the properties will assign some values and navigate to the next page. Now add a blank page to the project and put some controls on the page. Here I am using two controls, a button control and a TextBlock control. The TextBlock control will be used to display the value of the name property of the class and the button will be used to navigate as in the mainpage.

Page2.xaml

So here is the sample code:

<Grid>  
    <StackPanel>  
        <TextBlock Name="textblockpage3" Text="Page3.xaml"/>  
        <Button Name="goback" Content="Go Back"Click="goback_Click"/>      
    </StackPanel>  
</Grid>   



Now in the OnNavigated to method of the page2 I am using some code that will display the name in the textblock field on page2.

Page2.xaml.cs

protected override void OnNavigatedTo(NavigationEventArgs e)  

 {  
     var nav = (NavigationClass)e.Parameter;  
     Page2Textblock.Text = nav.Name;  
 } 

And a button click event will be used to navigate to the third page.

private void navigation2_Click(object sender, RoutedEventArgs e)  
{  
    Frame.Navigate(typeof(Page3));  
} 

Now add another page to the project so that on a click it will navigate to the MainPage directly. So here is the code for page3.xaml.

<Grid>  
    <StackPanel>  
        <TextBlock Name="textblockpage3" Text="Page3.xaml"/>  
        <Button Name="goback" Content="Go Back"Click="goback_Click"/>      
    </StackPanel>  
</Grid> ​ 

When page3 is loaded in the navigated to method of this page we will check the number of pages in the stack and then remove the number of pages by the BackStackDepth method and we will directly navigate to the mainpage rather than navigating page by page. It will display the number of pages in the stack as well.

Page3.xaml.cs

protected override void OnNavigatedTo(NavigationEventArgs e)  
{  
    string myPages = "";  
    foreach (PageStackEntry page in Frame.BackStack)  
    {  
       myPages += page.SourcePageType.ToString() + "\n";  
    }  
    textblockpage3.Text = myPages;  
    Frame.BackStack.RemoveAt(Frame.BackStackDepth - 1);  

And when the go back button on page3 is clicked it will navigate to the mainpage.

private void goback_Click(object sender, RoutedEventArgs e)  
{  
    Frame.GoBack();     
}  

                                                                                                                                                                                

posted Sep 24, 2015 by Jdk

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We can use the Arc XAML element to draw arcs in XAML. Besides drawing arcs using the Arc element, we can also use the ArcSegment element. The ArcSegment is useful when an arc becomes a part of a graphics path or a larger geometric object.

 

In this article, we will see how to use the ArcSegment to draw arcs in XAML and WPF.

 

The ArcSegment object represents an elliptical arc between two points. The ArcSegment class has the five properties Point, Size, SweepDirection, IsLargeArc and RotationAngle. 

 

  • The Point property represents the endpoints of an arc. 
  • The Size property represents the x and y radiuses of an arc. 
  • The SweepDirection property specifies whether an arc sweep direction is clock wise or counter clock wise. 
  • The IsLargeArc property returns true if an arc is greater than 180 degrees. 
  • The RotationAngle property represents the angle by which an ellipse is rotated about the x-axis.

 

 

The following figure provided by the MSDN documentation shows these property values and their results.

Graphics-Arc.jpg

<ArcSegment Size="300,50" RotationAngle="30" 
            IsLargeArc="True" SweepDirection="CounterClockwise"  Point="200,100" />

A Path object is used to draw an arc by setting a PathGeomerty as Path.Data. The following code snippet creates a Path and sets a ArcSegment as a part of PathFigure.Segments.

<Path Stroke="Black" StrokeThickness="1">
    <Path.Data>
        <PathGeometry>
            <PathGeometry.Figures>
                <PathFigureCollection>
                    <PathFigure StartPoint="0,100">
                        <PathFigure.Segments>
                            <PathSegmentCollection>
                                <ArcSegment Size="300,50" RotationAngle="30"
                                            IsLargeArc="True"
                                            SweepDirection="CounterClockwise"
                                            Point="200,100" />
                            </PathSegmentCollection>
                        </PathFigure.Segments>
                    </PathFigure>
                </PathFigureCollection>
            </PathGeometry.Figures>
        </PathGeometry>
    </Path.Data>
</Path>

The output looks like Figure 1.

 

ArcSegment-1.jpg

Figure 1

We can paint an arc by simply painting the path using the Fill method. The following code snippet has changes in it from the previous code that fills a path. 

<Path Stroke="Black" StrokeThickness="1" Fill="Yellow">

The new output looks like Figure 2.

 

ArcSegment-Filled.jpg

Figure 2

The following code snippet creates an arc segment shown in Figure 2 dynamically.

private void CreateArcSegment()
{
    PathFigure pthFigure = new PathFigure();
    pthFigure.StartPoint = new Point(0, 100); 

    ArcSegment arcSeg = new ArcSegment();
    arcSeg.Point = new Point(200, 100);
    arcSeg.Size = new Size(300,50);
    arcSeg.IsLargeArc = true;
    arcSeg.SweepDirection = SweepDirection.Counterclockwise;
    arcSeg.RotationAngle = 30;   

    PathSegmentCollection myPathSegmentCollection = new PathSegmentCollection();
    myPathSegmentCollection.Add(arcSeg); 

    pthFigure.Segments = myPathSegmentCollection; 

    PathFigureCollection pthFigureCollection = new PathFigureCollection();
    pthFigureCollection.Add(pthFigure); 

    PathGeometry pthGeometry = new PathGeometry();
    pthGeometry.Figures = pthFigureCollection; 

    Path arcPath = new Path();
    arcPath.Stroke = new SolidColorBrush(Colors.Black);
    arcPath.StrokeThickness = 1;
    arcPath.Data = pthGeometry;
    arcPath.Fill = new SolidColorBrush(Colors.Yellow); 

    LayoutRoot.Children.Add(arcPath);
}

 

READ MORE

Data passing means to get data from a page and show that data on another page or getting input from the user and showing what the user has entered into the text box. For that I have added the two pages MainPage.xaml and page1.xaml and I will enter some text into the text box and on clicking Enter or the the submit button it will show the entered text in the second page.

This Is The MainPage.Xaml

  1. <StackPanel>    
            <TextBox InputScope="Chat" Name="TextBoxUsername"></TextBox>    
            <Button Click="Button_Click">Signup</Button>    
    </StackPanel> 

In the mainpage.xaml I have put a stack panel and in the stack panel I have used two controls, a TextBox control and a Button control. Here when I enter any text into the text box and click the button it will navigate to page1.xaml and show the entered text in the Page1.xaml as a message dialog. 

MainPage.xaml.cs

     

       private void Button_Click(object sender, RoutedEventArgs e)    
        {    
           NavigationService.Navigate(new Uri("/Page1.xaml?key1=" + TextBoxUsername.Text, UriKind.Relative));    
       }   

Defined a click event in the Mainpage.xaml.cs and using NavigationService.navigate property navigating to Page1.xaml using a query string.

Page1.xaml

​     <StackPanel Grid.Row="0" Margin="12,17,0,28">    
            <TextBlock Text="MY APPLICATION" Style="{StaticResource PhoneTextNormalStyle}"/>    
            <TextBlock Name="TextBlockUsername" Text="" Margin="9,-7,0,0" Style="{StaticResource PhoneTextTitle1Style}"/>    
</StackPanel>  

In Page1.xaml I have use some controls to show the incoming data.

Page1.xaml.cs

In Page1.xaml.cs under the initialize component Page1_loaded method was called and in the Page1_loaded method definition a string variable val was declared to return the incoming data in the string variable val and showing that data in a message dialog box.

     

public partial class Page1 : PhoneApplicationPage      
 {      
     public Page1()      
     {      
         InitializeComponent();      
         this.Loaded += Page1_Loaded;      
      }      
      
     private void Page1_Loaded(object sender, RoutedEventArgs e)      
     {      
         string val;      
         if (NavigationContext.QueryString.TryGetValue("key1", out val))      
         {      
             MessageBox.Show(val, "Information", MessageBoxButton.OK);      
         }      
     }      
 }    

 

 

 

READ MORE

XAML is mostly used at design-time but there may be a time when you want to create XAML dynamically and/or load XAML in your code. The XamlWriter and the XamlReader classes are used to create and read XAML in code.

The XamlWriter and the XamlReader classes are defined in the System.Windows.Markup namespace and must be imported to use the classes as in the following:

using System.Windows.Markup;

The XamlWriter.Save method takes an object as an input and creates a string containing the valid XAML.

The code snippet in Listing 1 creates a Button control using code and saves it in a string using the XamlWriter.Save method.

 

// Create a Dynamic Button.

Button helloButton = new Button();

helloButton.Height = 50;

helloButton.Width = 100;

helloButton.Background = Brushes.AliceBlue;

helloButton.Content = "Click Me";

 

// Save the Button to a string.

string dynamicXAML = XamlWriter.Save(helloButton);

 

Listing 1

The XamlReader.Load method reads the XAML input in the specified Stream and returns an object that is the root of the corresponding object tree.

The code snippet in Listing 2 creates a XmlReader from a XAML and then creates a Button control using the XamlReader.Load method.

 

// Load the button

XmlReader xmlReader = XmlReader.Create(new StringReader(dynamicXAML));

Button readerLoadButton = (Button)XamlReader.Load(xmlReader);   

Listing 2

READ MORE

The GroupBox element in XAML is used to add a header to an area and within that area you can place controls. By default, a GroupBox can have one child but multiple child controls can be added by placing a container control on a GroupBox such as a Grid or StackPanel.

How to create a GroupBox in WPF and Windows phone application,.

The GroupBox element in XAML represents a GroupBox control. The following code snippet creates a GroupBox control and sets its background and font. The code also sets the header using GroupBox.Header. 

  1. <Window x:Class="GroupBoxSample.Window1"  
  2.     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"  
  3.     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"  
  4.     Title="Window1" Height="300" Width="300">  
  5.     <Grid>  
  6.         <GroupBox Margin="10,10,10,10" FontSize="16" FontWeight="Bold"  
  7.                   Background="LightGray">  
  8.             <GroupBox.Header>                  
  9.                Mindcracker Network  
  10.             </GroupBox.Header>   
  11.               
  12.             <TextBlock FontSize="12" FontWeight="Regular">  
  13.                 This is a group box control content.                  
  14.             </TextBlock>               
  15.            
  16.         </GroupBox>  
  17.   
  18.     </Grid>  
  19. </Window>  

The output looks like this.

READ MORE

Calendar Events

Besides the normal control events, the Calendar control has three events calendar related events. These events are the DisplayDateChanged, DisplayModeChanged and SelectedDatesChanged. The DisplayDateChanged event is fired where the DisplayDate property is changed. The DisplayModeChanged event is fired when the DisplayMode property is changed. The SelectedDatesChanged event is fired when the SelectedDate or SelectedDates properties are changed. The following code snippet sets these three events attributes. 

<Calendar SelectionMode="SingleRange"  
   Name="MonthlyCalendar"   
   SelectedDatesChanged="MonthlyCalendar_SelectedDatesChanged"  
   DisplayDateChanged="MonthlyCalendar_DisplayDateChanged"  
   DisplayModeChanged="MonthlyCalendar_DisplayModeChanged"  
   HorizontalAlignment="Left"  
   VerticalAlignment="Top"  
   Margin="10,10,0,0">   
</Calendar>   

The code behind for these events look as in Listing 4. 

private void MonthlyCalendar_SelectedDatesChanged(object sender,   
    SelectionChangedEventArgs e)  
{  
}  
private void MonthlyCalendar_DisplayDateChanged(object sender,   
    CalendarDateChangedEventArgs e)  
{  
}  
private void MonthlyCalendar_DisplayModeChanged(object sender,   
    CalendarModeChangedEventArgs e)  
{  
 

Listing 4

Normally, on a date selection, you may want to capture that event and know what the current selected date is. Now how about we add a TextBox control to the page and on the date selection, we will set the text of the TextBox to the currently selected date. 

We add the following code to the XAML just below the Calendar control. <TextBox Width="200" Height="30"  
   VerticalAlignment="Bottom"  
   HorizontalAlignment="Left"  
   Margin="10,10,10,10"  
   x:Name="SelectedDateTextBox">  
</TextBox>

On the SelectedDateChanged event handler, we set the TextBox.Text property to the SelectedDate property of the Calendar control as you can see from the code in Listing 5. 

private void MonthlyCalendar_SelectedDatesChanged(object sender,   
    SelectionChangedEventArgs e)  
{  
    SelectedDateTextBox.Text = MonthlyCalendar.SelectedDate.ToString();  

Listing 5

Now when you run the application, you will see the output that looks as in Figure 10. When you select a date in the Calendar, it will be displayed in the TextBox. 


Figure 10

Formatting a Calendar


How about we create a Calendar control with a border formatting, background and foreground of the Calendar?

The BorderBrush property of the Calendar sets a brush to draw the border of a Calendar. You may use any brush to fill the border. The following code snippet uses a linear gradient brush to draw the border with a combination of the colors Red and Blue.

<Calendar.BorderBrush>  
   <LinearGradientBrush StartPoint="0,0" EndPoint="1,1" >  
      <GradientStop Color="Blue" Offset="0" />  
      <GradientStop Color="Red" Offset="1.0" />  
   </LinearGradientBrush>  
</Calendar.BorderBrush>  

The Background and Foreground properties of the Calendar set the background and foreground colors of a Calendar. You may use any brush to fill the border. The following code snippet uses linear gradient brushes to draw the background and foreground of a Calendar. 

<Calendar.Background>  
    <LinearGradientBrush StartPoint="0,0" EndPoint="1,1" >  
        <GradientStop Color="Blue" Offset="0.1" />  
        <GradientStop Color="Orange" Offset="0.25" />  
        <GradientStop Color="Green" Offset="0.75" />  
        <GradientStop Color="Red" Offset="1.0" />  
    </LinearGradientBrush>  
</Calendar.Background>  
<Calendar.Foreground>  
    <LinearGradientBrush StartPoint="0,0" EndPoint="1,1" >  
        <GradientStop Color="Black" Offset="0.25" />  
        <GradientStop Color="Green" Offset="1.0" />  
    </LinearGradientBrush>  
</Calendar.Foreground>  

The new Calendar looks as in Figure 11. 


Figure 11

Setting Image as Background of a Calendar


To set an image as the background of a Calendar, we can set an image as the Background of the Calendar. The following code snippet sets the background of a Calendar to an image. The code also sets the opacity of the image.

<Calendar.Background>  
   <ImageBrush ImageSource="Garden.jpg" Opacity="0.3"/>  
</Calendar.Background>  

The new output looks as in Figure 12.


Figure 12

Creating a Calendar Dynamically


The code listed in Listing 6 creates a Calendar control programmatically. First, it creates a Calendar object and sets its DisplayMode and SelectedMode and other properties and later the Calendar is added to the LayoutRoot. 

private void CreateDynamicCalendar()  
{  
    Calendar MonthlyCalendar = new Calendar();  
    MonthlyCalendar.Name = "MonthlyCalendar";  
    MonthlyCalendar.Width = 300;  
    MonthlyCalendar.Height = 400;  
    MonthlyCalendar.Background = Brushes.LightBlue;  
    MonthlyCalendar.DisplayMode = CalendarMode.Month;  
    MonthlyCalendar.SelectionMode = CalendarSelectionMode.SingleRange;  
    MonthlyCalendar.DisplayDateStart = new DateTime(2010, 3, 1);  
    MonthlyCalendar.DisplayDateEnd = new DateTime(2010, 3, 31);  
    MonthlyCalendar.SelectedDates.Add(new DateTime(2010, 3, 5));  
    MonthlyCalendar.SelectedDates.Add(new DateTime(2010, 3, 15));  
    MonthlyCalendar.SelectedDates.Add(new DateTime(2010, 3, 25));    
    MonthlyCalendar.FirstDayOfWeek = DayOfWeek.Monday;  
    MonthlyCalendar.IsTodayHighlighted = true;    
    LayoutRoot.Children.Add(MonthlyCalendar);  
}  

Listing 6

Summary


In this article, I discussed the calendar control using XAML and C#. We also saw how to set display modes, selection modes, blackout dates, selected dates, border, background and foreground properties. After that, we saw you to set an image as the background of a Calendar. In the end of this article, we saw how to create a Calendar dynamically.

READ MORE

The following code snippet adds blackout dates to a Calendar. 

<Calendar.BlackoutDates>  
   <CalendarDateRange Start="3/1/2010" End="3/7/2010"/>  
   <CalendarDateRange Start="3/8/2010" End="3/8/2010"/>  
   <CalendarDateRange Start="3/15/2010" End="3/15/2010"/>  
   <CalendarDateRange Start="3/22/2010" End="3/22/2010"/>  
   <CalendarDateRange Start="3/29/2010" End="3/29/2010"/>  
</Calendar.BlackoutDates>  

We can do this by adding the code listed in Listing 2. As you can see from Listing 3, the BlackoutDates.Add method takes a CalendarDateRange object, that is a collection of two DateTime objects. The first date is the start date of the range and the second date is the end date of the date range. 

private void SetBlackOutDates()  
{  
    MonthlyCalendar.BlackoutDates.Add(new CalendarDateRange(  
        new DateTime(2010, 3, 1),  
        new DateTime(2010, 3, 7)  
        ));  
    MonthlyCalendar.BlackoutDates.Add(new CalendarDateRange(  
        new DateTime(2010, 3, 8),  
        new DateTime(2010, 3, 8)  
        ));  
    MonthlyCalendar.BlackoutDates.Add(new CalendarDateRange(  
      new DateTime(2010, 3, 15),  
      new DateTime(2010, 3, 15)  
      ));  
    MonthlyCalendar.BlackoutDates.Add(new CalendarDateRange(  
      new DateTime(2010, 3, 22),  
      new DateTime(2010, 3, 22)  
      ));  
    MonthlyCalendar.BlackoutDates.Add(new CalendarDateRange(  
      new DateTime(2010, 3, 29),  
      new DateTime(2010, 3, 29)  
      ));  
}  

Listing 2

DisplayDateStart and DisplayDateEnd


The Calendar control allows you to set the start and end display dates using the DisplayDateStart and DisplayDateEnd properties. If you see Figure 5 in the previous section, you may notice the March 2010 month calendar display starts with the March 01, 2010 date. But now, what if you want to display the dates for only the month of March 2010? We can use the DisplayStartDate and DisplayEndDate properties to control the start and end dates of a month. 

DisplayDate property represents the current date to display. 

The following code snippet sets the DisplayDate, DisplayDateStart and DisplayDateEnd attributes of the Calendar element in XAML.

<Calendar Name="MonthlyCalendar"   
   SelectionMode="MultipleRange"   
   DisplayDate="3/1/2010"  
   DisplayDateStart="3/1/2010"  
   DisplayDateEnd="3/31/2010"  
/>  

The code listed in Listing 3 makes sure the start date is March 01, 2010 and end date is March 31, 2010. The current selected date is March 05. 

private void SetDisplayDates()  
{  
   MonthlyCalendar.DisplayDate = new DateTime(2010, 3, 5);  
   MonthlyCalendar.DisplayDateStart = new DateTime(2010, 3, 1);  
   MonthlyCalendar.DisplayDateEnd = new DateTime(2010, 3, 31);  
 

Listing 3

The new calendar looks as in Figure 6. 


Figure 6

FirstDayOfWeek and IsTodayHighlighted

By default, Sunday is the first day of the week. If you would like to change it, you use the FirstDayOfWeek property. The IsTodayHightlighted property is used to highlight today. 

The following code snippet sets the FirstDayOfWeek to Tuesday and makes today highlighted.

<Calendar Name="MonthlyCalendar"   
   SelectionMode="MultipleRange"   
   DisplayDate="3/5/2010"  
   DisplayDateStart="3/1/2010"  
   DisplayDateEnd="3/31/2010"  
   FirstDayOfWeek="Tuesday"  
   IsTodayHighlighted="True"   
   xmlns:sys="clr-namespace:System;assembly=mscorlib" Margin="15,39,88,19">  

The following code snippet sets the FirstDayOfWeek to Tuesday and makes today highlighted in WPF.

MonthlyCalendar.FirstDayOfWeek = DayOfWeek.Tuesday;  
MonthlyCalendar.IsTodayHighlighted = true;

The new calendar looks as in Figure 7, where you can see the start day of the week is Tuesday.


Figure 7

Selected Date and Selected Dates


The SelectedDate property represents the current selected date. If multiple date selection is true then the SelectedDates property represents all the selected dates in a Calendar. The following code snippet sets the SelectedDates in XAML at design-time. 

<Calendar Name="MonthlyCalendar"   
    SelectionMode="MultipleRange"    
    DisplayDate="3/5/2010"  
    DisplayDateStart="3/1/2010"  
    DisplayDateEnd="3/31/2010"  
    FirstDayOfWeek="Tuesday"  
    IsTodayHighlighted="True"   
    xmlns:sys="clr-namespace:System;assembly=mscorlib" Margin="15,39,88,19">    
    <Calendar.SelectedDates>  
        <sys:DateTime>3/5/2010</sys:DateTime>  
        <sys:DateTime>3/15/2010</sys:DateTime>  
        <sys:DateTime>3/25/2010</sys:DateTime>  
     </Calendar.SelectedDates>    
</Calendar>  

The selected dates in a Calendar looks as in Figure 8 where you can see March 5th, 15th and 25th have a light blue background and represents the selected dates. 


Figure 8

The following code snippet sets the SelectedDates property in WPF at run-time. 

private void AddSelectedDates()  
{  
   MonthlyCalendar.SelectedDates.Add(new DateTime(2010, 3, 5));  
   MonthlyCalendar.SelectedDates.Add(new DateTime(2010, 3, 15));  
   MonthlyCalendar.SelectedDates.Add(new DateTime(2010, 3, 25));  
}  

Note: If you have set the selected dates to any of the blackout dates, you will see the parser in XAML will throw an error as in Figure 9. 


Figure 9

READ MORE

A calendar control is used to create a visual calendar that lets users pick a date and fire an event on the selection of the date. This article demonstrates how to create and use a calendar control using XAML and C# in WPF.

Creating a Calendar

The Calendar element represents a calendar control in XAML as in the following:

  1. <Calendar/>  

The Calendar control is defined in the System.Windows.Controls namespace. When you drag and drop a Calendar control from the Toolbox to the page, the XAML code will look like the following code where you can see a Calendar XAML element has been added within the Grid element and its Width, Height, Name and VerticalAlignment and HorizontalAlignment attributes are set.

  1. <Grid>  
  2.    <Calendar Height="170" HorizontalAlignment="Left" Margin="58,32,0,0"   
  3.       Name="calendar1" VerticalAlignment="Top" Width="180" />  
  4. </Grid>  

The default view of the Calendar control looks as in Figure 1. 


Figure 1

The Width and Height attributes of the Calendar element represent the width and the height of a Calendar. The Content attribute represents the text of a Calendar. The Name attribute represents the name of the control, that is a unique identifier of a control. 

The code snippet in Listing 1 creates a Calendar control and sets the name, height and width properties of a Calendar control. 

  1. <Calendar Name=" MonthlyCalendar" Height="30" Width="100" >  
  2. </Calendar>  

Listing 1

Display Modes

The DisplayMode property of the Calendar class represents the format of the display of a Calendar, that can be a month, year, or decade. Month is the default mode. Setting the DisplayMode to Year and Decade generates Figure 2 and Figure 3 respectively. 


Figure 2


Figure 3


The Month view that is also the default view looks as in Figure 4.


Figure 4

If you use an example of the Decade and click on the year 2008 in Figure 3, you will get another Calendar format with all the months in the year 2008 and if you click on any month, you will eventually get the month view of the Calendar. 

The following code snippet sets the DisplayMode property to Decade. 

  1. <Calendar DisplayMode="Decade">   
  2. </Calendar>  

Selection Modes and Selection Dates

The SelectedDate property represents the currently selected date. If multiple dates selection is true, the SelectedDates property represents a collection of currently selected dates. 

The SelectionMode of type CalendarSelectionMode enumeration represents the selection mode of calendar. Table 1 describes the CalendarSelectionMode enumeration and its members. 
 

CalendarSelectionModeDescription
NoneNo selections are allowed.
SingleDateOnly a single date can be selected, either by setting SelectedDate or the first value in SelectedDates. AddRange cannot be used.
SingleRangeA single range of dates can be selected. Setting SelectedDate, adding a date individually to SelectedDates, or using AddRange will clear all previous values from SelectedDates.
MultipleRangeMultiple non-contiguous ranges of dates can be selected. Adding a date individually to SelectedDates or using AddRange will not clear SelectedDates. Setting SelectedDate will still clear SelectedDates, but additional dates or range can then be added. Adding a range that includes some dates that are already selected or overlaps with another range results in the union of the ranges and does not cause an exception.

The following code snippet sets the SelectionMode property to a single range.

  1. <Calendar SelectionMode="SingleRange">  
  2. </Calendar>  

BlackoutDates

The BlackoutDates property of the Calendar class represents a collection of dates that are not available for selection. All non-selection dates are marked by a cross. For example, say in the month of March of the year 2010, we would like to block the dates from Jan 1st to Jan 7th and then all Sundays and the final calendar should look as in Figure 5.


Figure 5

Part 2 Continuous..

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