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Jun 18th, 2017
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VB.NET 1.23 KB | None | 0 0
  1.  
  2.         Dim mypath = Application.StartupPath & "\password.mdb"
  3.         Dim Password = ""
  4.         Dim conn As New OleDb.OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Users\Harold\Desktop\softengfinal\db1.mdb")
  5.         Dim cmd As OleDb.OleDbCommand
  6.  
  7.     End Sub
  8.     Private Sub btnLogin_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnLogin.Click
  9.         Dim sql = "SELECT Username,Password FROM Password WHERE Username = '" & TextBox1.Text & "' AND Password = '" & TextBox2.Text & "'"
  10.  
  11.         cmd = New OleDb.OleDbCommand(sql, conn)
  12.         Dim dr As OleDb.OleDbDataReader = cmd.ExecuteReader
  13.  
  14.  
  15.         Try
  16.             conn.Open()
  17.  
  18.         Catch ex As InvalidOperationException
  19.             MsgBox(ex.Message)
  20.  
  21.         End Try
  22.         Try
  23.             If dr.Read = False Then
  24.                 MessageBox.Show("Authentication Failed...")
  25.             Else
  26.                 MessageBox.Show("Login Successful...")
  27.  
  28.             End If
  29.         Catch ex As Exception
  30.             MsgBox(ex.Message)
  31.  
  32.         End Try
  33.  
  34.         If conn.State <> ConnectionState.Closed Then
  35.             conn.Close()
  36.  
  37.         End If
  38.  
  39.  
  40.         Dim form As New Form2
  41.         mMenu.Show()
  42.  
  43.         End If
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