///Constructor
/// <summary>
/// In form constractor the connection is created.
/// Then the DataGridView of the form(MainGridView) is fill up with the users table from databse.
/// </summary>
public MainForm()
{
DCom.Connect();
LoginForm loginForm = new LoginForm();
loginForm.ShowDialog();
if (loginForm.DialogResult == DialogResult.No)
{
loginForm.Dispose();
DCom.Close();
Environment.Exit(1);
}
else
{
InitializeComponent();
MainGridView.DataSource = DCom.GetData(SqlUsers);
}
}
