How to add 'keydown function name' of ASP:textbox on load page event

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I have an asp:textBox that accepts phone number. It is working perfectly in this way:

<asp:TextBox ID="txtPhoneNumber" onCopy="return false" onDrag="return false" onDrop="return false" onPaste="return false" onkeydown="javascript: return HandlePhoneNumber(this);"  clientidmode="Static" Font-Size="13px" Height="15px" runat="server" Width="105px" ></asp:TextBox>

Now I am trying to make this: I want to change function name of onkeydown on window.load event. How can I do this ? Below is my code:

<script type="text/javascript" language="javascript">
 window.onload = CheckCountry;
 function CheckCountry() {
          
          var country ='<%=System.Configuration.ConfigurationManager
          .AppSettings("LoginCountry").ToString() %>';
                   
          var txtPhoneNumber = $("#txtPhoneNumber");
          var maxLength = txtPhoneNumber.attr('maxLength');
          var phoneNumber = txtPhoneNumber.val();

          if (country == 'X') {
            maxLength = '14';
            phoneNumber = '963-';
            // here I need to make function name = HandlePhoneNumberX
          }
          else {
            maxLength = '12';
            phoneNumber = '961-';
           // here I need to make function name = HandlePhoneNumberY
          }
}
</script>

Any suggestion? I don't mind if you can help me to find a javascript or jQuery solution

What I have tried:

I have tried this :

if (country == 'X') {
  maxLength = '14';
  phoneNumber = '963-';
  txtPhoneNumber.on('keydown', function (e) { return HandlePhoneNumberX(e);
}
else {
  maxLength = '12';
  phoneNumber = '961-';
 txtPhoneNumber.on('keydown', function (e) { return HandlePhoneNumberY(e);
}

Nothing has worked here ...

Posted 15-Mar-17 23:16pm

H.AL

Updated 15-Mar-17 23:51pm

v2

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F-ES Sitecore 16-Mar-17 6:08am

What's wrong with what you have?

1 solution

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SrikantSahu · Accepted Answer · 2017-03-15T23:51:00

Its working for me. Just tried the following code. Please see if you have any syntax error at your end.

JavaScript

<script type="text/javascript" language="javascript">
    window.onload = CheckCountry;
    function CheckCountry() {

        var country = 'X';

        var txtPhoneNumber = $('#txtPhoneNumber');
        var maxLength = txtPhoneNumber.attr('maxLength');
        var phoneNumber = txtPhoneNumber.val();

        if (country == 'X') {
            maxLength = '14';
            phoneNumber = '963-';
            txtPhoneNumber.on('keydown', function (e) {
                return HandlePhoneNumberX(e, maxLength, phoneNumber);
            });
        } else {
            maxLength = '12';
            phoneNumber = '961-';
            txtPhoneNumber.on('keydown', function (e) {
                return HandlePhoneNumberY(e, maxLength, phoneNumber);
            });
        }
    }

    function HandlePhoneNumberX(e, maxLength, phoneNumber) { alert(maxLength + "-" + phoneNumber); }
    function HandlePhoneNumberY(e, maxLength, phoneNumber) { alert(maxLength + "-" + phoneNumber); }
</script>

    <asp:TextBox ID="txtPhoneNumber" onCopy="return false" onDrag="return false" onDrop="return false" onPaste="return false"  clientidmode="Static" Font-Size="13px" Height="15px" runat="server" Width="105px" ></asp:TextBox>
</asp:Content>

Also, 2 validations function might not be needed. Just merge them into 1. I have not used the onkeydown attribute in the textbox declaration.