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  • JavaScript Validation for Mobile Number in Asp.Net

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    JavaScript Validation for Mobile Number in Asp.Net

    Validate Mobile number in a web page using JavaScript validation in ASP.Net. In this example I am using one TextBox . The TextBox accepts Mobile number, it only allows 10 digit numbers.

     <%@ Page Language="C#" AutoEventWireup="true" CodeFile="mobileValidation.aspx.cs" Inherits="mobileValidation" %>
    
     <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    
     <html xmlns="http://www.w3.org/1999/xhtml">
    
     <head runat="server">
     <title>Vallidation On Mobile Number</title>
     <script type="text/javascript">
      function Validate() {
        var msg = "";
        msg += MobileNumberValidation();
        if (msg != "") 
        {
            alert(msg);
            return false;
        }
        else 
        {
            alert("Mobile Number submited successfuly");
            return true;
        }
    }
    
    function MobileNumberValidation() {
        var id;
        var controlId = document.getElementById("<%=txtMobileNo.ClientID %>");
        id = controlId.value;
        var val;
        val = /^[1-9]{1}[0-9]{9}$/;
        if (id == "") 
        {
            return ("Please Enter Mobile Number" + "\n");
        }
        else if (val.test(id)) 
        {
            return "";
        }
    
        else {
            return ("Mobile Number should be only in digits" + "\n");
        }
    }
    

     <body>
     <form id="form1" runat="server">
      <h3 style="color:blue">Validation for Mobile Number in JavaScript</h3>
     <table style="border-color: #333300; z-index: 1; left: 15px; top: 54px; position: absolute; height: 122px;                  width: 261px">
     <tr>
     <td class="style1">
     <asp:Label ID="lblMobileNo" width="138px" runat="server" Text="Mobile Number"></asp:Label>
     </td>
      <td>
      <asp:TextBox ID="txtMobileNo" runat="server"></asp:TextBox>
      </td>
      </tr>
      <tr>
      <td class="style1">
      </td>
      <td>
       <asp:Button ID="bttnsubmit" runat="server" Text="Submit" OnClientClick ="Validate()" Font-Bold="True" />
     </td>
     </tr>
     </table>
    
    </form>
     </body>
     </html>
    

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