Ошибка выполнения Javascript: не удалось получить свойство 'onsubmit' неопределенной или нулевой ссылки и сохранить кнопку, не срабатывающую при кликинге
Цитата:получение этой ошибки не в состоянии понять, почему она приходит, когда страница загружается и кнопка сохранения не срабатывает, когда я нажимаю на нее. пожалуйста, помогите заранее спасибо
Ошибка выполнения JavaScript: не удалось получить свойство 'onsubmit' неопределенного или нулевого ссылочного кода:
<%@ Page Language="vb" AutoEventWireup="false" CodeBehind="ChangePassword.aspx.vb"
Inherits="PRCManagementConsole.Web.ChangePassword" %>
<!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 id="Head1" runat="server">
<link rel="stylesheet" type="text/css" href="../css/cbre_wsm_screen.css" />
<link rel="stylesheet" type="text/css" href="../css/BodyFramePages.css" />
<title>Change Password</title>
<script src="../Scripts/jquery-1.4.4.min.js" type="text/javascript"/>
<style type="text/css">
.style2
{
width: 97px;
}
.style3
{
width: 330px;
}
</style>
</head>
<body>
<form id="form1" runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<script type="text/javascript">
function checknewtextbox() {
//debugger
var pass = document.getElementById("<%=txtNewPassword.ClientID %>");
var filter = /^(?=.*[a-z])(?=.*[$@$!%*?&])[A-Za-z\d$@$!%*?&]{8,20}/;
// debugger;
if (pass.value != '') {
if (!filter.test(pass.value)) {
alert('Password Must contain Minimum 8 and Maximum 20 characters at least 1 Lowercase Alphabet, 1 Number and 1 Special Character');
pass.focus();
document.getElementById("<%=txtNewPassword.ClientID %>").value = '';
return false;
}
else
return true;
}
else return true;
}
</script>
<div id="page_wrapper">
<div id="wrapper_login_panel">
<div id="center_login_panel">
<table style="width: 100%;" id="maintable">
<%-- <tr style="height:33px">--%>
<%--</tr>--%>
<tr>
<td class="style2"> </td>
<%--<td class="style1">
</td>--%>
<td style="vertical-align: left; text-align: left;" class="style3">
<a href="http://www.cbre.com.au/" title="CBRE Home">
<img id="img1" runat="server" src="../images/cbre_pulseresponse_logo.png" alt="CBRE Pulse Response" width="280" />
</a>
</td>
<td colspan="2">
<div ID="ChangePassword" >
<h1 style="width: 327px; left: 0px; top: 0px;">
Change Password</h1>
<br />
<table cellpadding="0" cellspacing="0" style="width:100%; margin:2px;">
<tr ID="trRowlabel" runat="server"
style="height:0px; margin:0px;padding: 0px 0px 0px 0px;">
<td align="center" colspan="2" style="color: #393;padding: 0px 0px 10px 0px;">
<asp:Label ID="lblmsg" runat="server" Text="" Visible="true" />
</td>
</tr>
<tr style="height:20px; margin:0px;">
<td align="left" style="padding: 1px 1px 1px 50px;">
User Id:
</td>
<td style="padding: 0">
<asp:TextBox ID="txtUserId" runat="server" MaxLength="30"
ToolTip="Enter your User Id" Width="160px" ReadOnly="true"></asp:TextBox>
</td>
</tr>
<tr style="height:20px; margin:0px;">
<td align="left" style="padding: 1px 1px 1px 50px; ">
Old Password:
</td>
<td style="padding: 0">
<asp:TextBox ID="txtOldPassword" runat="server" CausesValidation="True"
MaxLength="20" TextMode="Password" ToolTip="Please Enter your Old password"
Width="160px"></asp:TextBox>
</td>
</tr>
<tr>
<td align="left" style="padding: 1px 1px 1px 50px;;">
New Password:
</td>
<td style="padding: 0">
<asp:TextBox ID="txtNewPassword" runat="server" MaxLength="20" onchange ="return checknewtextbox();"
TextMode="Password" ToolTip="Please Enter your New password" Width="160px"></asp:TextBox>
</td>
</tr>
<tr>
<td align="left" style="padding: 1px 1px 1px 50px;">
Confirm Password:
</td>
<td style="padding: 0">
<asp:TextBox ID="txtConfirmPassword" runat="server" MaxLength="20"
TextMode="Password" ToolTip="Please confirm password" Width="160px"></asp:TextBox>
</td>
</tr>
<tr>
<td align="left" style="padding: 1px 1px 1px 50px;">
</td>
<td align="left" colspan="2" style="padding: 0px 0px 0px 0px;">
<asp:Button ID="btnSave" runat="server" Text="Save" />
<%-- <Triggers>
<asp:AsyncPostBackTrigger ControlID="btnSave" EventName="Click"/>
</Triggers>--%>
</td>
</tr>
<tr>
<td align="left" colspan="2" style="padding: 1px 1px 1px 50px;">
<asp:Literal ID="litMessage" runat="server"></asp:Literal>
</td>
</tr>
</table>
</div>
</td>
</tr>
</table>
</div>
</div>
</div>
</form>
</body>
</html>
внутренний код
Imports PRC.BO
Imports PRC.DTO
Imports DTO
Imports System.Web.Security
Imports System.Data.SqlClient
Imports System.Configuration
Imports DAL.Contacts
Public Class ChangePassword
Inherits System.Web.UI.Page
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
If Session("temp") IsNot Nothing Then
If Session("temp") = True Then
lblmsg.Visible = True
lblmsg.ForeColor = Drawing.Color.Red
lblmsg.Text = "First Time login! Please Change your Password"
Session.Remove("temp")
End If
Else
lblmsg.Visible = False
trRowlabel.Visible = False
End If
If Request.QueryString("Name") IsNot Nothing Then
txtUserId.Text = Request.QueryString("Name")
End If
End Sub
Protected Sub btnSave_Click(sender As Object, e As EventArgs) Handles btnSave.Click
litMessage.Text = ""
If txtUserId.Text.Trim.Length = 0 Then
litMessage.Text = litMessage.Text + "<a style=""font-weight: normal; font-size:10pt; color: red"">Please enter a User ID</a>"
txtUserId.Focus()
End If
If txtOldPassword.Text.Trim.Length = 0 Then
litMessage.Text = litMessage.Text + "</br><a style=""font-weight: normal; font-size:10pt; color: red"">Please enter Old Password</a>"
txtOldPassword.Focus()
End If
If txtNewPassword.Text.Trim.Length = 0 Then
litMessage.Text = litMessage.Text + "</br><a style=""font-weight: normal; font-size:10pt; color: red"">Please enter New Password </a>"
txtNewPassword.Focus()
End If
If txtConfirmPassword.Text.Trim.Length = 0 Then
litMessage.Text = litMessage.Text + "</br><a style=""font-weight: normal; font-size:10pt; color: red"">Please Enter Confirm Password</a>"
txtConfirmPassword.Focus()
End If
If Not (txtNewPassword.Text.Trim() = txtConfirmPassword.Text.Trim()) Then
litMessage.Text = litMessage.Text + "</br><a style=""font-weight: normal; font-size:10pt; color: red""> New & Confirm Passwords do not Match</a>"
txtConfirmPassword.Focus()
End If
If Not (litMessage.Text = "") Then
Exit Sub
End If
If String.Equals(txtOldPassword.Text, txtNewPassword.Text) Then
litMessage.Text = "</br><a style=""font-weight: normal; font-size:10pt; color: red"">Old and New Password can't be Same</a>"
Exit Sub
End If
Dim userPwd As New UserPassword
Dim i As Integer = PRC.DTO.PRCContractor.Queries.PRC_AdminChangePassword(txtUserId.Text, userPwd.EncryptPassword(txtOldPassword.Text), userPwd.EncryptPassword(txtNewPassword.Text))
If (i = 1) Then
Dim MyScript As String = "alert('Password Updated Successfully!. Please Login Again!'); window.location = '/Login.aspx';"
ScriptManager.RegisterClientScriptBlock(Page, Page.GetType(), "MyScript", MyScript, True)
ElseIf (i = 3) Then
litMessage.Text = "<a style=""font-weight: normal; font-size:10pt; color: red"">Old Password is Incorrect </a>"
txtOldPassword.Focus()
Else
litMessage.Text = "<a style=""font-weight: normal; font-size:10pt; color: red"">Invalid User id</a>"
txtUserId.Focus()
End If
End Sub
End Class
Что я уже пробовал:
getting this error not able to understand why it is coming when the page loads and save button not firing when i clicks it.please help thanks in advance JavaScript runtime error: Unable to get property 'onsubmit' of undefined or null reference code: