コード例 #1
0
        private void button1_Click(object sender, EventArgs e)
        {
            string senha;

            if (textBox1.Text == "admin" && textBox2.Text == "1")
            {
                usuarioLogado = "admin";
                FormPrincipal Inicianiza = new FormPrincipal();
                Inicianiza.Show();
                this.Visible = false;
            }
            else
            {
                string busca = "select usu_nome, usu_senha from usuarios where usu_nome = '" + textBox1.Text.Trim() + "'";

                SqlConnection con = new SqlConnection();
                con.ConnectionString = utils.ConexaoDb();
                SqlCommand sqlCommand = new SqlCommand(busca, con);
                con.Open();
                SqlDataReader dR = sqlCommand.ExecuteReader();
                if (dR.Read())
                {
                    senha         = dR[1].ToString().Trim();
                    usuarioLogado = dR[0].ToString().Trim();
                    if (senha == textBox2.Text)
                    {
                        FormPrincipal Inicianiza = new FormPrincipal();
                        Inicianiza.Show();
                        this.Visible = false;
                    }
                    else
                    {
                        u.UserSenhaInvalida();
                    }
                }
                else
                {
                    u.UserSenhaInvalida();
                }
                con.Close();
            }
            DataContext.fil_codigo  = 1;
            DataContext.TipoConexao = 2;
        }