private void button1_Click(object sender, EventArgs e) { Item newItem = new Item() { ID = Convert.ToInt32(txtItemID.Text), Name = txtItemName.Text, ItemCode = txtItemCode.Text, Description = txtDescription.Text, CostPrice = Convert.ToDecimal(txtCostPrice.Text), UnitPrice = Convert.ToDecimal(txtUnitPrice.Text), Category = cmbCategory.SelectedText, IsActive = chkActive.Checked }; int res = itemManager.AddNew(newItem); if (res == 1) { MessageBox.Show(this, "Item Successfully Added", "Succeed", MessageBoxButtons.OK, MessageBoxIcon.Information); } else { MessageBox.Show(this, "Item Failed to Add", "Failed", MessageBoxButtons.OK, MessageBoxIcon.Error); } }