SUBD/View/TypeForm.cs

using Database;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace View
{
	public partial class TypeForm : Form
	{
		public int? TypeId { get; set; }
		private Abstracts db;
		public TypeForm(Abstracts abstracts)
		{
			InitializeComponent();
			db = abstracts;
		}


		private void button1_Click(object sender, EventArgs e)
		{
			if (TypeId.HasValue)
			{
				db.UpdateType(new()
				{
					Id = TypeId.Value,
					title = textBox1.Text
				});
			}
			else
			{
				db.CreateType(new() { 
					title = textBox1.Text
				});

			}
			DialogResult = DialogResult.OK;
		}

		private void button2_Click(object sender, EventArgs e)
		{
			DialogResult = DialogResult.Cancel;
			Close();
		}

		private void TypeForm_Load(object sender, EventArgs e)
		{
			if (TypeId.HasValue)
			{
				var type = db.GetType(TypeId.Value);
				textBox1.Text = type.title;
			}
		}
	}
}