private void pbxBack_Click(object sender, EventArgs e)
        {
            ProductAllForm paf = new ProductAllForm(userAux);

            paf.Show();
            this.Hide();
        }
        private void pbxSave_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(lblId.Text))
            {
                SqlConnection sqlConnect = new SqlConnection(connectionString);
                try
                {
                    GetData();
                    Category c = (Category)cmbCategory.SelectedItem;
                    Product  p = new Product(name, price, c, active);
                    sqlConnect.Open();
                    string sql = "INSERT INTO PRODUCT(NAME, PRICE, ACTIVE, FK_PRODUCT) VALUES (@name, @price, @active, @category)";

                    SqlCommand cmd = new SqlCommand(sql, sqlConnect);

                    cmd.Parameters.Add(new SqlParameter("@name", p.Name));
                    cmd.Parameters.Add(new SqlParameter("@price", p.Price));
                    cmd.Parameters.Add(new SqlParameter("@active", p.Active));
                    cmd.Parameters.Add(new SqlParameter("@category", p.Category.Id));
                    cmd.ExecuteNonQuery();

                    MessageBox.Show("Adicionado com sucesso!");
                    Log.SaveLog(sqlConnect, "Produto Adicionado", DateTime.Now, "Adição");
                }
                catch (Exception ex)
                {
                    MessageBox.Show("Erro ao adicionar produto!" + ex.Message);
                    ClearData();
                }
                finally
                {
                    ClearData();
                    sqlConnect.Close();
                }
            }
            else
            {
                SqlConnection sqlConnect = new SqlConnection(connectionString);

                try
                {
                    GetData();
                    Category c = (Category)cmbCategory.SelectedItem;
                    sqlConnect.Open();

                    string     sql = "UPDATE PRODUCT SET NAME = @name, PRICE = @price, ACTIVE = @active, FK_PRODUCT = @category WHERE ID= @id";
                    SqlCommand cmd = new SqlCommand(sql, sqlConnect);

                    cmd.Parameters.Add(new SqlParameter("@id", lblId.Text));
                    cmd.Parameters.Add(new SqlParameter("@name", name));
                    cmd.Parameters.Add(new SqlParameter("@price", price));
                    cmd.Parameters.Add(new SqlParameter("@active", active));

                    cmd.Parameters.Add(new SqlParameter("@category", c.Id));


                    cmd.ExecuteNonQuery();

                    MessageBox.Show("Altereções salvas com sucesso!");
                    Log.SaveLog(sqlConnect, "Produto Adicionado", DateTime.Now, "Edição");
                }
                catch (Exception Ex)
                {
                    MessageBox.Show("Erro ao editar este produto!" + "\n\n" + Ex.Message);
                    throw;
                }
                finally
                {
                    sqlConnect.Close();
                    ProductAllForm paf = new ProductAllForm(userAux);
                    paf.Show();
                    this.Close();
                }
            }
        }