Enter a valid phone number in the form xxx-xxx-xxxx (VB.net) : Phone Number « Validation by Function « ASP.Net






  1. ASP.Net
  2. Validation by Function
  3. Phone Number

Enter a valid phone number in the form xxx-xxx-xxxx (VB.net)

<%@ Page Language="vb" %>
<html>
   <head>
      <title>Validators collection example</title>
      <script runat="server">
         Sub Page_Load()
            Dim Validator as BaseValidator
            For Each Validator in Validators
               Message.Text &= Validator.ID & " error message: "
               Message.Text &= Validator.ErrorMessage & "<br/>"
            Next     
         End Sub
      </script>
   </head>
<body>
   <form runat="server">
      Phone: <asp:textbox id="phone" runat="server"/>
      <asp:requiredfieldvalidator 
         id="rfvPhone"
         controltovalidate="phone"
         display="dynamic"
         errormessage="Required!"
         runat="server"/>
      <asp:regularexpressionvalidator 
         id="revPhone"
         controltovalidate="phone"
         display="dynamic"
         validationexpression="^[2-9]\d{2}-\d{3}-\d{4}$"
         errormessage="Enter a valid phone number in the form xxx-xxx-xxxx"
         runat="server"/>
      <br/>
      <asp:button id="submit" text="Submit" runat="server"/>
   </form>
   <br/>
   <asp:label id="Message" runat="server"/>
</body>
</html>








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1.Validating a Phone Number with a RegularExpressionValidator Control (VB.net)