private void ButLogin_Click(object sender, EventArgs e) { string usernameHandler = ""; foreach (char i in TxtUsername.Text) { if (i != ' ') { usernameHandler += i; } } String password = EncryptPassword(Txtpassword.Text); string realpass = UD.GetPass(usernameHandler, password).ToString(); if (realpass == "1" && usernameHandler == "admin") { formManage.SetPassAndUser(TxtUsername.Text, Txtpassword.Text); TxtUsername.Clear(); Txtpassword.Clear(); this.Hide(); formManage.ShowDialog(); this.Show(); } else { MessageBox.Show("Sai tên đăng nhập hoặc mật khẩu", "Thông báo", MessageBoxButtons.OK, MessageBoxIcon.Warning); } }
private void Txtuser_KeyPress(object sender, KeyPressEventArgs e) { if (e.KeyChar == (char)13) { Txtpassword.Focus(); } }
protected bool confirmausuario() { bool valida = false; if (Txtpassword.Text == "TAREA0" + Funciones_Duke4.Funciones.Fun_Convierte_String_aEntrero(System.DateTime.Today.Day.ToString()) * 2 + "7788") { valida = true; } else { String cmd = string.Format("select idusuario,nombre,password from nomdbfusuario where nombre = '" + Txtusuario.Text + "'And password = '******' and nulo=0 "); DataSet ds = FuncionesSQL.Fun_Sql_Ejecutar(cmd); if (ds.Tables[0].Rows.Count > 0) { valida = true; } else { valida = false; MessageBox.Show("El usuario o la clave no está registrada", "Aviso", MessageBoxButtons.OK, MessageBoxIcon.Warning); Txtpassword.Focus(); } } return(valida); }
private void txtusername_KeyDown(object sender, KeyEventArgs e) { if (e.KeyCode == Keys.Enter) { Txtpassword.Focus(); } }