Using RadTimePicker Class for overriding SelectedDate Property

[nitesh monga]

Hi there,

I am trying to create a custom class which inherits radtimepicker class, and overrides the SelectedDate property of the class. but i am stuck at how to use this class with the radtimepicker control and let that control use the override property.

why i want to do this is because we have lots for classic RadControls in our application now we are migrating them to the new ajax version, previously we were using asp:TextBox with JS to get the time value and to validate the value, with radtimepicker we get all the functionality we want without any extra JS :). the only problem is getting only the time value from the radtimepicker and not the date with that. while searching i found i can do that by using CType(radtimepicker .SelectedDate, DateTime).ToString("tt") but this will take a lot of time to implement :(. if i can just override the SelectedDate property and place the above .ToString("tt") with the GETTER it will be more easy :).

i hope i am able to explain my problem. any example code will be a great help.

Thanks
Nitesh Monga

[Veli]

Hello nitesh,

DateTime object's ToShortTimeString() probably is exactly what you need. So something like:

radTimePicker.SelectedDate.Value.ToShortTimeString()  should work for you. If not, here is a sample approach:

public class CustomRadTimePicker : RadTimePicker
{
    public string SelectedTime
    {
        get
        {
            return this.SelectedDate.Value.ToShortTimeString();
        }
        set
        {
            DateTime date;
            if (DateTime.TryParse(value, out date))
            {
                this.SelectedDate = date;
            }
            else
            {
                throw new Exception("String cannot be parsed to a valid DateTime.");
            }
        }
    }
}

Public Class CustomRadTimePicker
    Inherits RadTimePicker
    Public Property SelectedTime() As String
        Get
            Return Me.SelectedDate.Value.ToShortTimeString()
        End Get
        Set
            Dim [date] As DateTime
            If DateTime.TryParse(value, [date]) Then
                Me.SelectedDate = [date]
            Else
                Throw New Exception("String cannot be parsed to a valid DateTime.")
            End If
        End Set
    End Property
End Class

Sincerely yours,
Veli
the Telerik team

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[nitesh monga]

Thank you for the sample code :). i already tested this code but i am unable to use this class with the rad controls :(. it always give a type cast exception..

thanks
Nitesh

[Veli]

Hello Nitesh,

What are trying to achieve? Can you share some sample code? Alternatively, try the ToShortTimeString() apporach.

Regards,
Veli
the Telerik team

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Check out the tips for optimizing your support resource searches.