1 Imports System.Data.OleDb
2
3 Public Class frmLogin
4
5 Dim id_con As New OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;Data Source=MainDB.accdb;")
6 Dim id_com As New OleDbCommand()
7
8 Public Sub btnLogin_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnLogin.Click
9 CreateObject("WScript.Shell").Popup("Please Note : This is Demo Version ! this Software can get vanished after few days database may get destroy !
10 Contact us for Original Software Licence.
11 Email ID : mayuri.infospace@gmail.com skype: DigitalMayu", 1, "Demo Software")
12 Try
13 If txtId.Text <> "" And txtPass.Text <> "" And lstType.SelectedItem IsNot "" Then
14 Dim id_read As OleDbDataReader
15 id_con.Open()
16 If lstType.SelectedItem = "Admin" Then
17 id_com = New OleDbCommand("Select * from Admin where Id ='" & txtId.Text & "'", id_con)
18 id_read = id_com.ExecuteReader()
19 If id_read.HasRows Then
20 id_read.Read()
21 If txtPass.Text = id_read(5).ToString() And txtId.Text = "Admin" Then
22 Me.Hide()
23 frmAdmin.btnAddAdmin.Enabled = True
24 frmAdmin.Show()
25 ElseIf txtPass.Text = id_read(5).ToString() And txtId.Text = id_read(0).ToString Then
26 Me.Hide()
27 frmAdmin.btnAddAdmin.Enabled = False
28 frmAdmin.btnAdminDetails.Enabled = False
29 frmAdmin.Show()
30 Else
31 MsgBox("Please enter correct Id or Password")
32 Clearall()
33 End If
34 End If
35 ElseIf lstType.SelectedItem = "Student" Then
36 id_com = New OleDbCommand("Select * from Student where RollNo =" & txtId.Text & "", id_con)
37 id_read = id_com.ExecuteReader()
38 If id_read.HasRows Then
39 id_read.Read()
40 If txtPass.Text = id_read(2).ToString() Then
41 Me.Hide()
42 frmMainStudent.Show()
43 Else
44 MsgBox("Please enter correct Id or Password")
45 Clearall()
46 End If
47 End If
48 Else
49 MsgBox("Please select login type", MsgBoxStyle.Critical + MsgBoxStyle.OkOnly, "")
50 End If
51 Else
52 MsgBox("Fill in Id and password fields", MsgBoxStyle.Critical + MsgBoxStyle.OkOnly, "")
53 End If
54 Catch ex As Exception
55 MsgBox(ex.Message)
56 Finally
57 id_con.Close()
58 End Try
59 End Sub
60
61 Public Sub Clearall()
62 txtId.Text = ""
63 txtPass.Text = ""
64 End Sub
65
66 Private Sub Clear_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnClear.Click
67 Clearall()
68 End Sub
69
70 Private Sub btnClose_Click(sender As Object, e As EventArgs) Handles btnClose.Click
71 Me.Close()
72 End Sub
73 End Class
