Calendar selection changed event
<UserControl x:Class='SilverlightApplication3.MainPage'
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'
mc:Ignorable='d'
xmlns:basics='clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls'
d:DesignWidth='640'
d:DesignHeight='480'>
<StackPanel>
<basics:Calendar Margin="3" SelectionMode="MultipleRange" SelectedDatesChanged="Calendar_SelectedDatesChanged" ></basics:Calendar>
<basics:Calendar Margin="3" DisplayMode="Year" SelectedDatesChanged="Calendar_SelectedDatesChanged" ></basics:Calendar>
<basics:DatePicker Margin="3" DateValidationError="DatePicker_DateValidationError" ></basics:DatePicker>
<basics:DatePicker Margin="3" SelectedDateFormat="Long" DateValidationError="DatePicker_DateValidationError" ></basics:DatePicker>
<TextBlock x:Name="lblError" Foreground="Red" TextWrapping="Wrap"></TextBlock>
</StackPanel>
</UserControl>
//File: Page.xaml.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
namespace SilverlightApplication3
{
public partial class MainPage : UserControl
{
public MainPage()
{
InitializeComponent();
}
private void DatePicker_DateValidationError(object sender, DatePickerDateValidationErrorEventArgs e)
{
lblError.Text = "'" + e.Text + "' is not a valid value because " + e.Exception.Message;
}
private void Calendar_SelectedDatesChanged(object sender, SelectionChangedEventArgs e)
{
foreach (DateTime selectedDate in e.AddedItems)
{
if ((selectedDate.DayOfWeek == DayOfWeek.Saturday) ||
(selectedDate.DayOfWeek == DayOfWeek.Sunday))
{
lblError.Text = "Weekends are not allowed";
((Calendar)sender).SelectedDates.Remove(selectedDate);
}
}
}
}
}
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