Mega Code Archive
Login form Demo (VB net)
<![CDATA[
<%--
Code revised from
ASP.NET Tips & Techniques (Paperback)
by Greg Buczek
# Publisher: McGraw-Hill/Osborne Media; 1st edition (May 21, 2002)
# Language: English
# ISBN: 0072225149
--%>
<%@ Page Language=VB Debug=true %>
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.OLEDB" %>
<script runat=server>
Sub SubmitBtn_Click(Sender As Object, E As EventArgs)
Dim DBConn as OleDbConnection
Dim DBCommand As OleDbDataAdapter
Dim DSLogin as New DataSet
DBConn = New OleDbConnection("PROVIDER=" _
& "Microsoft.Jet.OLEDB.4.0;" _
& "DATA SOURCE=" _
& Server.MapPath("LogIn.mdb;"))
DBCommand = New OleDbDataAdapter _
("Select UserID from " _
& "Users Where " _
& "UserName = '" & txtUserName.Text _
& "' and Password = '" & txtPassword.Text _
& "'", DBConn)
DBCommand.Fill(DSLogin, _
"UserInfo")
If DSLogin.Tables("UserInfo"). _
Rows.Count = 0 Then
lblMessage.Text = "The user name and password " _
& "were not found. Please try again."
Else
Session("UserID") = DSLogin.Tables("UserInfo"). _
Rows(0).Item("UserID")
Session("UserName") = txtUserName.Text
Response.Redirect("./welcome.aspx")
End If
End Sub
</SCRIPT>
<HTML>
<HEAD>
<TITLE>Log In Page</TITLE>
</HEAD>
<form runat="server">
<asp:Label
id="lblMessage"
Font-Size="12pt"
Font-Name="Tahoma"
runat="server"
Text="Complete each field to enter the site."
/>
<P></P><Font Face="Tahoma">User Name:</Font><BR>
<asp:TextBox
id="txtUserName"
Columns="25"
MaxLength="50"
runat=server
/>
<asp:RequiredFieldValidator
id="rfvUserName"
ControlToValidate="txtUserName"
Display="Dynamic"
Font-Name="Tahoma"
Font-Size="10pt"
runat=server>
User Name is Required!
</asp:RequiredFieldValidator>
<P></P><Font Face="Tahoma">Password:</Font><BR>
<asp:TextBox
id="txtPassword"
Columns="25"
MaxLength="50"
runat=server
TextMode="Password"
/>
<asp:RequiredFieldValidator
id="rfvPassword"
ControlToValidate="txtPassword"
Display="Dynamic"
Font-Name="Verdana"
Font-Size="10pt"
runat=server>
Password is Required!
</asp:RequiredFieldValidator><BR><BR>
<asp:button
id="butOK"
text=" OK "
OnClick="SubmitBtn_Click"
runat="server"
/>
</form>
</BODY>
</HTML>
<%-- Welcome.aspx
<%@ Page Language=VB Debug=true %>
<script runat=server>
Sub Page_Load(ByVal Sender as Object, ByVal E as EventArgs)
If Len(Session("UserID")) = 0 Then
Response.Redirect("./login.aspx")
End If
lblMessage.Text = "Welcome: " & Session("UserName")
End Sub
</SCRIPT>
<HTML>
<HEAD>
<TITLE>Welcome Page</TITLE>
</HEAD>
<form runat="server">
<asp:Label
id="lblMessage"
Font-Size="12pt"
Font-Name="Tahoma"
runat="server"
/>
</form>
</BODY>
</HTML>
--%>
LogIn.zip( 8 k)
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