private bool validarLogin() { string query = "SELECT * from login as L where L.login = '******' AND L.senha = '" + txtSenha.Text + "'"; ClsConexao conexao = new ClsConexao(); try { conexao.conectar(); SqlCommand cmd = new SqlCommand(query, conexao.conexao); SqlDataReader dr = cmd.ExecuteReader(); if (dr.Read()) { Data.saldo = double.Parse(dr["saldo"].ToString()); Data.idLogado = Int16.Parse(dr["Id"].ToString()); return(true); } else { MessageBox.Show("Usuario ou senha inválidos"); return(false); } } catch (Exception ex) { MessageBox.Show(ex.ToString(), "ERRO", MessageBoxButtons.OK, MessageBoxIcon.Error); return(false); } finally { conexao.desconectar(); } }
private void btnConfirmar_Click(object sender, EventArgs e) { Data.saldo = Data.saldo + valorDeposito; Banco banco = new Banco(); string update = "UPDATE login SET saldo =" + Data.saldo + " WHERE Id =" + Data.idLogado + ""; ClsConexao conexao = new ClsConexao(); conexao.conectar(); SqlCommand cmd = new SqlCommand(update, conexao.conexao); cmd.ExecuteReader(CommandBehavior.SingleRow); conexao.desconectar(); this.Hide(); banco.ShowDialog(); this.Close(); /*string update = "UPDATE login SET saldo = '" + Data.saldo + "' WHERE Id = '" + Data.idLogado + "'"; * ClsConexao conexao = new ClsConexao(); * conexao.conectar(); * * SqlCommand cmd = new SqlCommand(update, conexao.conexao); * cmd.ExecuteReader(); * MessageBox.Show("Saque realizado com sucesso", "Sucesso", MessageBoxButtons.OK, MessageBoxIcon.Question); * concluido = true; * btnSacar.Enabled = false; * btnFechar.Text = "Voltar";*/ }
private void btnSacar_Click(object sender, EventArgs e) { if (concluido == false) { Data.saldo = Data.saldo - double.Parse(Data.valorDigitado2); string update = "UPDATE login SET saldo =" + Data.saldo + " WHERE Id =" + Data.idLogado + ""; ClsConexao conexao = new ClsConexao(); conexao.conectar(); SqlCommand cmd = new SqlCommand(update, conexao.conexao); cmd.ExecuteReader(CommandBehavior.SingleRow); conexao.desconectar(); /*string update = "update login set saldo=@saldo where id=@Id"; * ClsConexao conexao = new ClsConexao(); * conexao.conectar(); * * SqlCommand cmd = new SqlCommand(update, conexao.conexao); * cmd.Parameters.AddWithValue("@saldo", Convert.ToDecimal(label1.Text)); * cmd.Parameters.AddWithValue("@Id", Convert.ToInt32(label2.Text)); * cmd.ExecuteReader(CommandBehavior.SingleRow); * conexao.desconectar();*/ MessageBox.Show("Saque realizado com sucesso", "Sucesso", MessageBoxButtons.OK, MessageBoxIcon.Question); concluido = true; btnSacar.Enabled = false; btnFechar.Text = "Voltar"; } /* string query = "SELECT * from login as L where L.login = '******' AND L.senha = '" + txtSenha.Text + "'"; * ClsConexao conexao = new ClsConexao(); * try * { * conexao.conectar(); * SqlCommand cmd = new SqlCommand(query, conexao.conexao); * * SqlDataReader dr = cmd.ExecuteReader(); * if (dr.Read()) * { * Data.saldo = double.Parse(dr["saldo"].ToString()); * Data.idLogado = Int16.Parse(dr["Id"].ToString()); * return true;*/ }