To Download Source Code Click Here > TextBox User Control

You can create your own Custom Text box and and Custom Properties and select the Custom Text box's properties as per your requirement.

Lets Start... 

  1. Open Visual Studio and open new Project under Visual basic, Windows form Template.
  2. Now right click in the solution explorer, click on add, click on User Control, which will give you a blank form without any boarder. 
  3. Now add a Text Box Control to that form, and re-size the form according to the size of the Text box Control.
4. Now right click on the Text box added and click on View Code and type the following code.

Public Class MyTextbox 

     Enum txt
          Numeric
          Alphabet
          AlphaNumeric
     End Enum 

     Dim txtbx As txt = txt.Alphabet 

     Property txtStyle() As txt
          Get
               Return txtbx
          End Get
          Set(ByVal Value As txt)
               txtbx = Value
          End Set
     End Property

     Private Sub TextBox1_KeyPress(ByVal Sender As Object, ByVal e As System.Windows.Forms.keyPressEventArgs) Handles TextBox1.KeyPress

          Select Case txtbx

               Case txt.Numeric

                    Textbox1.MaxLength = 11

                    If Char.IsDigit(e.KeyChar) Or Asc(e.KeyChar) = 8 Or TextBox1.MaxLength > 11 Then  
                    Else
                         e.Handled = True   
                    End If

               Case txt.Alphabet

                    Textbox1.MaxLength = 11
 
                    If Char.IsAlphabet(e.KeyChar) Or Char.IsWhiteSpase(e.KeyChar) Or Asc(e.KeyChar) = 8 Or TextBox1.MaxLength > 20 Then  
                    Else
                         e.Handled = True   
                    End If

               Case txt.AlphaNumeric

                    Textbox1.MaxLength = 11

                    If Char.IsAlphaNumeric(e.KeyChar) Or Char.IsWhiteSpase(e.KeyChar) Or Asc(e.KeyChar) = 8 Or TextBox1.MaxLength > 50 Then  
                    Else
                         e.Handled = True   
                    End If
          
          End Select

     End Sub

End Class      
               

5. Go to Build Menu and Click on Build "Your Project Name"
6. Go to Solution Explorer right Click on Form1 and Click on View Designer.
7. Place three Labels and Set its Text Properties to Name, Address, Mobile Accordingly.
8. Now go to Tool Box you will find a new Control added to Your tool Box at the top, ad three of that new tool to your form and set its property as per your need.
9. Now press F5 key from the keyboard and try entering the values to the text box.

Thats all...

Help From : http://www.codeproject.com/KB/vb/customTextBox.aspx.aspx

To Download Source Code Click Here > TextBox User Control