Hi Empowerit,
Thank you for writing.
This can be accomplished with a custom template selector and a binding converter.
The custom template selector will select a special item template that uses a value converter in order to convert
the regular week numbers to something else.
Here are the implementations of the template selector and the value converter:
public class WeekNumberConverter : IValueConverter
{
public object Convert(object value, System.Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
int val = int.Parse((string)value);
// Modify result taking into accound the actual value number.
// This converter helps visualize alternating weeks.
int result = val % 2;
return (result + 1).ToString();
}
public object ConvertBack(object value, System.Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
throw new System.NotImplementedException();
}
}
public class CustomTemplateSelector : DataTemplateSelector
{
private DataTemplate weekNumberTemplate;
public CustomTemplateSelector(DataTemplate weekNumberTemplate)
{
this.weekNumberTemplate = weekNumberTemplate;
}
public override DataTemplate SelectTemplate(object item, DependencyObject container)
{
CalendarButton button = (CalendarButton)container;
if (button.ButtonType == CalendarButtonType.WeekNumber)
{
return this.weekNumberTemplate;
}
return null;
}
}
In order to use these classes you need to declare that custom item template in the page's resources. For example:
Finally you have to modify RadCalendar to use your custom template selector. I assume you have the following calendar declared:
Now we can tell the calendar to use the new template selector:
I hope this solutions is helpful.
Please write again if you need further assistance with our controls.
Greetings,
Victor
the Telerik team
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