private void button1_Click(object sender, EventArgs e) { if (tbxArticle.Text == "") { MessageBox.Show("The Article is required!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); return; } if (!this.validateAlpha(tbxArticle.Text)) { MessageBox.Show("The Article field is invalid!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); return; } if (cbxTypeArticle.SelectedItem == null) { MessageBox.Show("The Article type is required!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); return; } TypeArticle t = new TypeArticle(); t.loadByUnique(cbxTypeArticle.SelectedItem.ToString()); Article type = new Article(); type.id = this.mainID; type.typeArticle = t.id; type.article = tbxArticle.Text.Trim(); type.save(); if (this.mainID == null) { MessageBox.Show("Type Article successfully inserted!", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information); } else { MessageBox.Show("Type Article successfully updated!", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information); } this.Close(); }