private void button2_Click(object sender, EventArgs e) { Form5 asd = new Form5(); asd.GetData(SendData()); asd.Show(); this.Close(); }
private void button1_Click(object sender, EventArgs e) { DB db = new DB(); String username = textBox1.Text; String password = textBox2.Text; DataTable table = new DataTable(); MySqlDataAdapter adapter = new MySqlDataAdapter(); MySqlCommand command = new MySqlCommand("SELECT * FROM `staffs` WHERE `StaffID` = @usn and `StaffPassword` = @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); if (table.Rows.Count > 0) { this.Hide(); Form5 form1 = new Form5(); form1.GetData(SendData()); form1.Show(); } 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); } } }
private void button1_Click(object sender, EventArgs e) { string sql3 = "SELECT * FROM staffs"; MySqlConnection con3 = new MySqlConnection("server=localhost;port=3306;username=root;password=;database=coffee cafe"); MySqlCommand cmd1 = new MySqlCommand(sql3, con3); con3.Open(); MySqlDataReader reader3 = cmd1.ExecuteReader(); List <string> StaffID = new List <string>(); List <string> StaffCode = new List <string>(); List <string> StaffName = new List <string>(); List <string> Gender = new List <string>(); List <string> StaffPassword = new List <string>(); List <string> StaffLevel = new List <string>(); while (reader3.Read()) { StaffID.Add(reader3.GetString("StaffID")); StaffCode.Add(reader3.GetString("StaffCode")); StaffName.Add(reader3.GetString("StaffName")); Gender.Add(reader3.GetString("Gender")); StaffPassword.Add(reader3.GetString("StaffPassword")); StaffLevel.Add(reader3.GetString("StaffLevel")); } int checkloop = 0; for (int i = 0; i < StaffID.Count; ++i) { if (StaffLevel[i] == "Staff") { if (textBox1.Text == StaffID[i]) { if (textBox2.Text == StaffPassword[i]) { checkloop = 1; Form5 form5 = new Form5(); form5.Show(); form5.GetData(SendData()); this.Hide(); } else { } } else { } } if (StaffLevel[i] == "Manager") { if (textBox1.Text == StaffID[i]) { if (textBox2.Text == StaffPassword[i]) { checkloop = 1; Form2 form2 = new Form2(); form2.Show(); this.Hide(); } else { } } else { } } if (StaffLevel[i] == "Admin") { if (textBox1.Text == StaffID[i]) { if (textBox2.Text == StaffPassword[i]) { checkloop = 1; Form5 form5 = new Form5(); form5.GetData(SendData()); form5.Show(); this.Hide(); } else { } } else { } } } if (checkloop == 0) { MessageBox.Show("ID or Password ไม่ถูกต้อง"); } }