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📄 login.aspx

📁 This is a book about vb.you could learn this from this book
💻 ASPX
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<%@Page Language="VB" %>
<html>
<head>
<title>Login Form</title>
<style type="text/css">
body, input {font-family:Tahoma,Arial,sans-serif; font-size:10pt }
</style>
</head>
<body>
<form runat="server">
  UserName: <input id="txtUsr" type="text" runat="server" /><p />
  Password: <input id="txtPwd" type="password" runat="server" /><p />
  <ASP:CheckBox id="chkPersist" runat="server" />
  Remember my credentials<p />
  <input type="submit" value="Login" runat="server" onserverclick="DoLogin" /><p />
  <div id="outMessage" runat="server" />
</form>
<hr />
<b>The web.config file used in this example is:</b><pre>
&lt;configuration&gt;
&lt;system.web&gt;

  &lt;authentication mode="Forms"&gt;
    &lt;forms name="MyApp02" path="/" loginUrl="login.aspx"
           protection="All" timeout="30"&gt;
      &lt;credentials passwordFormat="Clear"&gt;
        &lt;user name="billjones" password="test" /&gt;
        &lt;user name="marthasmith" password="test" /&gt;
        &lt;user name="joesoap" password="test" /&gt;
      &lt;/credentials&gt;
    &lt;/forms&gt;
  &lt;/authentication&gt;

  &lt;authorization&gt;
    &lt;allow users="billjones,marthasmith,joesoap" /&gt;
    &lt;deny users="?" /&gt;
  &lt;/authorization&gt;

&lt;/system.web&gt;
&lt;/configuration&gt;</pre>

</body>
</html>

<script language="VB" runat="server">
Sub DoLogin(objSender As Object, objArgs As EventArgs)

  If FormsAuthentication.Authenticate(txtUsr.Value, txtPwd.Value) Then
     FormsAuthentication.RedirectFromLoginPage(txtUsr.Value, chkPersist.Checked)
  Else
     outMessage.InnerHtml = "<b>Invalid credentials</b> please re-enter..."
  End If

End Sub
</script>

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