private void BtnSave_Clicked(object sender, EventArgs e) { if (pickerType.SelectedItem.ToString() == "Catergory") { if (catergoryEntry.txtName.Text != "") { item.CatergoryType = true; item.Name = catergoryEntry.txtName.Text; } else { return; } } else if (pickerType.SelectedItem.ToString() == "Item") { if (itemEntry.txtName.Text != "" || itemEntry.txtDescription.Text != "" || itemEntry.txtQuantity.Text != "") { item.CatergoryType = false; item.Name = itemEntry.txtName.Text; item.Quantity = itemEntry.txtQuantity.Text; item.Description = itemEntry.txtDescription.Text; } else { return; } } FileManager fileManager = new FileManager(); fileManager.AddItem(this, item); this.Navigation.PopAsync(); }