private void telaPrincipalToolStripMenuItem_Click(object sender, EventArgs e) { { this.Hide(); var tela_principal = new Tela_Principal(tslUsuario.Text); tela_principal.Closed += (s, args) => this.Close(); tela_principal.Show(); } }
private void toolStripTextBox1_Click_1(object sender, EventArgs e) { { panel.Controls.Clear(); Tela_Principal myForm = new Tela_Principal(tslUsuario.Text); myForm.FormBorderStyle = FormBorderStyle.None; myForm.TopLevel = false; myForm.AutoScroll = true; panel.Controls.Add(myForm); myForm.Show(); } }
private void btnLogin_Click(object sender, EventArgs e) { SqlConnection conexao = new SqlConnection(); conexao.ConnectionString = Properties.Settings.Default.DB_TCM_OutturnConnectionString; try { conexao.Open(); SqlCommand comando = new SqlCommand(); comando.CommandText = "SELECT USUARIO, SENHA FROM TB_LOGAR WHERE USUARIO = \'" + txtUsuario.Text + "\'"; comando.CommandType = CommandType.Text; comando.Connection = conexao; SqlDataReader DR; DR = comando.ExecuteReader(); if (DR.HasRows) { while (DR.Read()) { if (DR.GetValue(1).ToString() == txtSenha.Text) { this.Hide(); var tela_principal = new Tela_Principal(txtUsuario.Text); tela_principal.Closed += (s, args) => this.Close(); tela_principal.Show(); } if (DR.GetValue(1).ToString() != txtSenha.Text) { MessageBox.Show("Senha incorreta", "Aviso"); } } } else { MessageBox.Show("Usuario ou senha incorretos", "Aviso"); } } catch (Exception ex) { MessageBox.Show("Erro: " + ex.Message); } }