private void Login_KeyDown(object sender, KeyEventArgs e) { if (e.KeyCode == Keys.Enter) { if (txtUser.Text == "" || txtPass.Text == "") { MessageBox.Show("Please, Input Username or Password!", "Notice!", MessageBoxButtons.OK, MessageBoxIcon.Warning); } else { con = new Connect(); int check = 0; DataTable table = null; table = new DataTable(); table = con.laybang("SELECT * from R_User"); DataRow mr = null; for (int i = 0; i < table.Rows.Count; i++) { try { mr = table.Rows[i]; string password = con.EncodePasswordToBase64(txtPass.Text); string passwordnew = mr["Password"].ToString(); string user = mr["UserName"].ToString(); if (txtUser.Text == mr["UserName"].ToString() && password == mr["Password"].ToString()) { check = 1; this.Hide(); int userid = Convert.ToInt32(mr["ID"].ToString()); RestaurentManagementSystem main = new RestaurentManagementSystem(userid); main.ShowDialog(); } } catch (Exception ex) { throw ex; } } if (check == 0) { MessageBox.Show("UserName or Password incorrect!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); } } } }
private void btnLogin_Click(object sender, EventArgs e) { if (txtUser.Text == "" || txtPass.Text == "") { MessageBox.Show("Bạn chưa nhập Tài khoản hoặc Mật khẩu", "Notice!", MessageBoxButtons.OK, MessageBoxIcon.Warning); } else { con = new Connect(); int check = 0; DataTable table = null; table = new DataTable(); table = con.laybang("SELECT * from R_User"); DataRow mr = null; for (int i = 0; i < table.Rows.Count; i++) { try { mr = table.Rows[i]; string password = con.EncodePasswordToBase64(txtPass.Text); string passwordnew = mr["Password"].ToString(); string user = mr["UserName"].ToString(); if (txtUser.Text == mr["UserName"].ToString() && password == mr["Password"].ToString()) { check = 1; this.Hide(); int userid = Convert.ToInt32(mr["ID"].ToString()); RestaurentManagementSystem main = new RestaurentManagementSystem(userid); main.ShowDialog(); } } catch (Exception ex) { throw ex; } } if (check == 0) { MessageBox.Show("Tài khoản hoặc Mật khẩu chưa đúng", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); } } }
private void btnLogin_Click(object sender, EventArgs e) { if (txtUser.Text == "" || txtPass.Text == "") { MessageBox.Show("Please, Input Username or Password!", "Notice!", MessageBoxButtons.OK, MessageBoxIcon.Warning); } else { int check = 0; DataTable table = cls.GetAccount(); DataRow mr = null; mr = table.Rows[0]; for (int i = 0; i < table.Rows.Count; i++) { if (txtUser.Text == mr["UserName"].ToString() && txtPass.Text == mr["Password"].ToString()) { check = 1; if (mr["Status"].ToString() != null) { role = "admin"; MessageBox.Show("Welcome to Admin", "Login Successfully!", MessageBoxButtons.OK, MessageBoxIcon.Asterisk); this.Hide(); RestaurentManagementSystem main = new RestaurentManagementSystem(); main.ShowDialog(); } else { role = "user"; MessageBox.Show("Welcome to User", "Login Successfully!", MessageBoxButtons.OK, MessageBoxIcon.Asterisk); this.Hide(); RestaurentManagementSystem main = new RestaurentManagementSystem(); main.ShowDialog(); } } } if (check == 0) { MessageBox.Show("UserName or Password incorrect!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); } } }