zarulhamdi

Public Class LoginForm1 Private Sub OK_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles OK.Click Dim con As New SqlConnection("Data Source=.\SQLEXPRESS;AttachDbFilename=C:\Users\ahamdi2\Documents\Visual Studio 2008\Projects\sistemPengesanan\sistemPengesanan\admin.mdf;Integrated Security=True;User Instance=True") Dim cmd As New SqlCommand("SELECT * FROM info WHERE username = '" & UsernameTextBox.Text & "' AND [password] = '" & PasswordTextBox.Text & "' ", …

how to open all serial port in vb.net? i know how to open by getportname..but how to open all??can we do it?

hi..i'm developing a tracking system using rfid for my project my tracking system prototype consist of two rfid reader. how can i use serialport(vb.net toolbox) to compare which serialport receiving data from reader? could someone help me in finding a way to use serialport(vb.net toolbox)

ive got problem with storing result of SELECT query in vb.net. im using sql. i want to use database_A result query as an argument in another database_B. i want to know how..could you please help me. what i have try to do is try to store select query from db_A …

hi..is it possible to run SQL query periodically in vb.net? my system should update database B if there is an anamolly happen in database A i just wanna run UPDATE query periodically every 5-10 minutes plz help me