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Inserting a textbox value in Javascript doesn't pass ASP.NET validation


Inserting a textbox value in Javascript doesn't pass ASP.NET validation

By : user2954283
Date : November 22 2020, 01:01 AM
will be helpful for those in need Since the ReadOnly property is set in the .aspx, any changes made to it client-side will be ignored when it's posted back. If you absolutely need to have the textboxes read-only, then remove the property from your .aspx and set it with JavaScript on page load:
code :
$(document).ready(function () {
     $('#<%= txtMailAddressZipCode.ClientID%>').prop('readonly', true);
});


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HTML Homework that doesnt pass validation but displays fine

HTML Homework that doesnt pass validation but displays fine


By : user2505882
Date : March 29 2020, 07:55 AM
will be helpful for those in need I was asked by the professor to use http://validator.w3.org/ this web site to validate my html file. It gives me errors. The first error is:
code :
    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
            "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>Randy's first html web page !</title>
</head>
<body bgcolor="#000066" text="#00ff44">

<h1 align="center"> Hello Professor</h1>
<h2 align="center"> By: Randy White</h2>
<p> I haven't done anything like this before.</p> 
<p> Seems to be ok</p> 
<p align="center"><img src="Koala.gif" width="100" height="100" alt="koala image">
<table border="1">
<tr>
<th>Month</th>
<th>Day</th>
<th>Year</th>
</tr>
<tr>
<td>December</td>
<td>1</td>
<td>2010</td>
</tr>
 </table>
</body>
</html>
how can to stop the inserting when the validation is wrong for textbox?

how can to stop the inserting when the validation is wrong for textbox?


By : Olga
Date : March 29 2020, 07:55 AM
wish helps you That big loop is entirely unnecessary. There's so much to fix here that I'll do a big rewrite. I turned 216 lines into 41, no problem. It could most likely be made much better, too.
code :
Protected Sub btnSubmit_Click(sender As Object, e As EventArgs) Handles btnSubmit.Click
    If nricValidate() Then
        Using myConn As New SqlConnection(ConfigurationManager.ConnectionStrings("Company").ConnectionString),
              myCmd As SqlCommand = myConn.CreateCommand()
            myCmd.CommandText = "INSERT INTO Customer VALUES(@fullName, @nric)"
            myCmd.CommandType = CommandType.Text

            myCmd.Parameters.Add(New SqlParameter("@fullName", txtName.Text))
            myCmd.Parameters.Add(New SqlParameter("@nric", txtNRIC.Text))

            myConn.Open()
            myCmd.ExecuteNonQuery()
        End Using
    End If
End Sub

Protected Function nricValidate() As Boolean
    Dim myRegex As New Regex("^([sS]\d{7}[a-zA-Z])$")

    If Not String.IsNullOrEmpty(txtNRIC.Text) AndAlso myRegex.IsMatch(txtNRIC.Text) Then
        Dim nricArray(txtNRIC.Text.Length - 1) As Integer
        Dim sum As Integer = 0

        For i As Integer = 1 To 7
            sum += Integer.Parse(txtNRIC.Text.Substring(i, 1)) * If(i = 1, 2, 9 - i)
        Next

        If nricArray(8) <> 75 - sum Mod 11 Then
            txtNRIC.Focus()
            ResultLabel.Text = "The last value should be " & (75 - sum Mod 11).ToString() & ": NRIC Error"
            Return False
        End If

        Return True
    Else
        ResultLabel.Text = "The NRIC is incorrect!"
        txtNRIC.Text = String.Empty
        txtNRIC.Focus()
    End If

    Return False
End Function
I want to check that a textbox doesnt have more than one decimal point (in gridview) without using validation or javascr

I want to check that a textbox doesnt have more than one decimal point (in gridview) without using validation or javascr


By : saumedin
Date : March 29 2020, 07:55 AM
To fix the issue you can do I want to check that a textbox doesnt have more than one decimal point (in gridview) without using validation or javascript, , Here ya go...
code :
using System.Text.RegularExpressions;

protected void txtqty_TextChanged(object sender, EventArgs e)
{

  decimal number;
  string value = txtqty.Text;

  if (decimal.TryParse(value, out number))
  {
    Regex rx = new Regex(@"[0-9]*\.?[0-9]*");

    if (!rx.IsMatch(value))
    {
      Response.Write("error");
    }
    Response.Write("good");
  }
  else
  {
    Response.Write("error");
  }

}
How to pass a textbox (not the value of textbox) to Javascript validate function

How to pass a textbox (not the value of textbox) to Javascript validate function


By : Ronny Fernandes
Date : March 29 2020, 07:55 AM
I hope this helps you . Got the answer . To Avoid using Repetitive Code use 'this'. 'this' refer to the Current Control. Below is a small example of using this.
code :
     <!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <script type="text/javascript" >
        function chk(a) { 

            alert(a.value);

        }


    </script>
    <title></title>
</head>
<body>
    <form id="f1" method="post" action="Default.aspx" >
    <input type="text" id="num1"  onblur="chk(this)"  />
    </form>
</body>
</html>
how to pass value of textbox to another textbox in a modal using javascript?

how to pass value of textbox to another textbox in a modal using javascript?


By : Djordji
Date : March 29 2020, 07:55 AM
may help you . Really need more specifics, but essentially you're going to grab the value form one and put it in the other whenver it changes.
this goes in your preview modal
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