private void back_btn_Click(object sender, EventArgs e)
{
if (Global.UserID.Trim().Equals("Admin"))
{
this.Hide();
Main main = new Main();
main.Show();
}
else if (Global.UserID.Trim().Equals("Cashier"))
{
this.Hide();
Cashier cashier = new Cashier();
cashier.Show();
}
else if (Global.UserID.Trim().Equals("Rider"))
{
this.Hide();
Rider rider = new Rider();
rider.Show();
}
else if (Global.UserID.Trim().Equals("Waiter"))
{
this.Hide();
Waiter waiter = new Waiter();
waiter.Show();
}
else if (Global.UserID.Trim().Equals("Chef"))
{
this.Hide();
Chef chef = new Chef();
chef.Show();
}
}
private void btnLogin_Click(object sender, EventArgs e)
{
DB db = new DB();
String username = txtUsername.Text;
String password = txtPassword.Text;
Global.Gusername = txtUsername.Text.ToString();
DataTable table = new DataTable();
MySqlDataAdapter adapter = new MySqlDataAdapter();
MySqlCommand command = new MySqlCommand("SELECT * FROM `users` WHERE username = @usn and password = @pass", db.getConnection());
command.Parameters.Add("@usn", MySqlDbType.VarChar).Value = username;
command.Parameters.Add("@pass", MySqlDbType.VarChar).Value = password;
adapter.SelectCommand = command;
adapter.Fill(table);
//check if the user exists or not
if (table.Rows.Count > 0)
{
string type = comboBox1.Text;
Global.UserID = comboBox1.Text.ToString();
if (type.Trim().Equals("Admin"))
{
this.Hide();
Main main = new Main();
main.Show();
}
else if (type.Trim().Equals("Cashier"))
{
this.Hide();
Cashier cashier = new Cashier();
cashier.Show();
}
else if (type.Trim().Equals("Chef"))
{
this.Hide();
Chef chef = new Chef();
chef.Show();
}
else if (type.Trim().Equals("Rider"))
{
this.Hide();
Rider rider = new Rider();
rider.Show();
}
else if (type.Trim().Equals("Waiter"))
{
this.Hide();
Waiter waiter = new Waiter();
waiter.Show();
}
else
{
MessageBox.Show("Select a Type", "Empty Type", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
if (username.Trim().Equals(""))
{
MessageBox.Show("Enter Your Username to Login", "Empty Username", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if (password.Trim().Equals(""))
{
MessageBox.Show("Enter Your Password to Login", "Empty Password", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
MessageBox.Show("Wrong Username or Password", "Wrong Data", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}