Example with DateTimePicker :-

Add a new Form i.e.,FormDateTimePickerto the Windows Application WABasics

Create two labels,one textbox and one DateTimePicker Control & set the following properties to them

label1:-

     Text      :         lblSelectDate

     Name     :         Select Any Date

textbox1:-

     Name     :         txtSample

dateTimePicker1:-

Name          :         dtpickerDate

Design :-

 Generate theEventHandler for dateTimePicker1  ValueChanged Event

& write the following code in Source[FormDateTimePicker.cs] 

using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace WABasics {     public partial class FormDateTimePicker : Form     {         public FormDateTimePicker()         {             InitializeComponent();         }         private void dateTimePicker1_ValueChanged(object sender, EventArgs e)         {             txtDate.Text = dtpickerSample.Value.ToString();         }     } }

Result :-