Example with NumericUpDown:-

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

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

label1:-

     Text      :         Select Any Number

     Name     :         lblSelectNumber

textBox1:-

     Name     :         txtSample

dateTimePicker1:-

Name          :         numSample

Design :-

 Generate theEventHandler for numericUpDown1  ValueChanged Event

& write the following code in Source[FormNumericUpDown.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 FormNumericUpDown : Form     {         public FormNumericUpDown()         {             InitializeComponent();         }         private void numSample_ValueChanged(object sender, EventArgs e)         {             txtSample.Text = numSample.Value.ToString();         }     } }

Result :-