Diplom_B/DogForm.cs

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;
using Diplom_B.DB;

namespace Diplom_B
{
	public partial class DogForm : Form
	{ 
		private int? izdId = null;
		private void ClearIzd()
    {
			izdId = null;
			UpdateIzdLink();
			kolvoBox.Text = "";
    }
		private void UpdateIzdLink()
    {
			var size = 23;
			izdDecNumLinkLabel.Text = "Не выбран.";
			if (!izdId.HasValue) return;
      var f = WorkDB.GetIzdelie(izdId.Value);
			if (f == null) return;
			izdDecNumLinkLabel.Text = (f.DecNum.Length > size) ? f.DecNum.Substring(0, size - 3) + "..." : f.DecNum;
    }
		private void UpdateIzdTable()
		{
			var selected = (izdGridView.SelectedRows.Count > 0) ? izdGridView.SelectedRows[0].Index : -1;
			{
				var r = izdGridView.Rows;
				while (r.Count > 0)
					r.Remove(r[0]);
				var c = izdGridView.Columns;
				while (c.Count > 0)
					c.Remove(c[0]);
			}
			{
				var c = izdGridView.Columns;
				c.Add("Id", "№");
				c["Id"].Width = 40;
				c.Add("DecNum", "Дец. №");
				c["DecNum"].Width = 120;
				c.Add("Kolvo", "Кол-во");
				c["Kolvo"].Width = 40;
			}
			{
				if (int.TryParse(idLabel.Text, out int idRes))
				{
					var arr = WorkDB.GetIzdelieDogIzdFromDogovor(idRes);
					if (arr != null)
					{
						var r = izdGridView.Rows;
						foreach (var izdDi in arr)
							r.Add(new object[] {
						izdDi.dogIzd.Id,
						izdDi.izd.DecNum,
						izdDi.dogIzd.Kolvo
					});
					}
				}
			}
      {
				if (izdGridView.Rows.Count > 0)
					izdGridView.Rows[0].Selected = true;
				if (selected != -1 && selected < izdGridView.Rows.Count)
					for (var i = 0; i < izdGridView.Rows.Count; i++)
						izdGridView.Rows[i].Selected = (i == selected);
			}
			izdGridView_CurrentCellChanged(this, new EventArgs());
		}
		private void izdGridView_CurrentCellChanged(object sender, EventArgs e)
		{
			if (izdGridView.SelectedRows.Count != 1) return;
			var dogIzd = WorkDB.GetDogIzd((int)izdGridView.SelectedRows[0].Cells[0].Value);
			if (dogIzd == null) return;
			var izd = WorkDB.GetIzdelieFromDogIzd((int)izdGridView.SelectedRows[0].Cells[0].Value);
			if (izd == null) return;
			izdId = izd.Id;
			UpdateIzdLink();
			kolvoBox.Text = dogIzd.Kolvo.ToString();
		}
		private void addIzdButton_Click(object sender, EventArgs e)
		{
			if (!int.TryParse(idLabel.Text, out int dogId)) { ShowError("Договор не выбран."); return; }
			if (!izdId.HasValue) { ShowError("Изделие не выбрано."); return; }
			if (!int.TryParse(kolvoBox.Text, out int kolviIzd)) { ShowError("Кол-во не указано."); return; }
			if (kolviIzd <= 0) { ShowError("Кол-во <= 0."); return; }
			if (WorkDB.GetDogIzd(dogId, izdId.Value) != null) { ShowError("Изделие уже в списке."); return; }
			var di = new DogIzd() { DogovorId = dogId, IzdelieId = izdId.Value, Kolvo = kolviIzd };
			WorkDB.AddDogIzd(di);
			UpdateIzdTable();
			UpdatePlatejTable();
		}
		private void changeIzdButton_Click(object sender, EventArgs e)
		{
			if (!int.TryParse(idLabel.Text, out int dogId)) { ShowError("Договор не выбран."); return; }
			if (!izdId.HasValue) { ShowError("Зделие не выбрано."); return; }
			if (!int.TryParse(kolvoBox.Text, out int kolviIzd)) { ShowError("Кол-во не указано."); return; }
			if (kolviIzd <= 0) { ShowError("Кол-во <= 0."); return; }
			var di = WorkDB.GetDogIzd(dogId, izdId.Value);
			if (di == null) { ShowError("Изделия нет в списке."); return; }
			di.DogovorId = dogId;
			di.IzdelieId = izdId.Value;
			di.Kolvo = kolviIzd;
			WorkDB.ChangeDogIzd(di);
			UpdateIzdTable();
			UpdatePlatejTable();
		}
		private void delIzdButton_Click(object sender, EventArgs e)
		{
			if (!int.TryParse(idLabel.Text, out int dogId)) { ShowError("Договор не выбран."); return; }
			if (!izdId.HasValue) { ShowError("Изделие не выбрано."); return; }
			var di = WorkDB.GetDogIzd(dogId, izdId.Value);
			if (di == null) { ShowError("Изделия нет в списке."); return; }
			WorkDB.DeleteDogIzd(di);
			UpdateIzdTable();
			UpdatePlatejTable();
		}
		private void selectizd_Click(object sender, EventArgs e)
		{
			var form = new IzdForm(true);
			form.ShowDialog();
			izdId = form.returnId;
			UpdateIzdLink();
		}

		private void ClearPlatej()
		{
			cenaGlobalLabel.Text = "0";
			avansLabel.Text = "0";
			ostalosLabel.Text = "0";
			platejBox.Text = "";
		}
		private void UpdatePlatejTable()
    {
			var selected = (platejGridView.SelectedRows.Count > 0) ? platejGridView.SelectedRows[0].Index : -1;
			{
				var r = platejGridView.Rows;
				while (r.Count > 0)
					r.Remove(r[0]);
				var c = platejGridView.Columns;
				while (c.Count > 0)
					c.Remove(c[0]);
			}
			{
				var c = platejGridView.Columns;
				c.Add("Id", "№");
				c["Id"].Width = 40;
				c.Add("Platej", "Платёж");
				c["Platej"].Width = 120;
			}
			{
				if (int.TryParse(idLabel.Text, out int idRes))
				{
					var arr = WorkDB.GetPlatejyFromDogovor(idRes);
					if (arr != null)
					{
						var r = platejGridView.Rows;
						foreach (var pl in arr)
							r.Add(new object[] {
								pl.Id,
								pl.Summa.ToString("F2")
							});
					}
          {
						double cena = 0;
						double avans = 0;
						double ostalos = 0;
						var cenaArr = WorkDB.GetIzdelieDogIzdFromDogovor(idRes);
						if(cenaArr != null)
							for(var i = 0; i < cenaArr.Length; i++)
								cena += cenaArr[i].izd.Cena * cenaArr[i].dogIzd.Kolvo;
						ostalos = cena;
						for(var i = 0; i < arr.Length; i++)
            {
							if (i == 0) avans = arr[i].Summa;
							ostalos -= arr[i].Summa;
						}
						cenaGlobalLabel.Text = cena.ToString("F2");
						avansLabel.Text = avans.ToString("F2");
						ostalosLabel.Text = ostalos.ToString("F2");
					}
				}
			}
			{
				if (platejGridView.Rows.Count > 0)
					platejGridView.Rows[0].Selected = true;
				if (selected != -1 && selected < platejGridView.Rows.Count)
					for (var i = 0; i < platejGridView.Rows.Count; i++)
						platejGridView.Rows[i].Selected = (i == selected);
			}
			platejGridView_CurrentCellChanged(this, new EventArgs());
		}
		private void platejGridView_CurrentCellChanged(object sender, EventArgs e)
		{
			if (platejGridView.SelectedRows.Count != 1) return;
			var platej = WorkDB.GetPlatej((int)platejGridView.SelectedRows[0].Cells[0].Value);
			if (platej == null) return;
			platejBox.Text = platej.Summa.ToString("F2");
		}
		private void addPlatejBox_Click(object sender, EventArgs e)
		{
			if (!int.TryParse(idLabel.Text, out int dogId)) { ShowError("Договор не выбран."); return; }
			if (!double.TryParse(platejBox.Text, out double platej)) { ShowError("Сумма не корректна."); return; }
			if (platej < 0) { ShowError("Платёж < 0."); return; }
			var pl = new Platej() { DogovorId = dogId, Summa = platej };
			WorkDB.AddPlatej(pl);
			UpdatePlatejTable();
		}
		private void changePlatejBox_Click(object sender, EventArgs e)
		{
			if (!int.TryParse(idLabel.Text, out int dogId)) { ShowError("Договор не выбран."); return; }
			if (!double.TryParse(platejBox.Text, out double platej)) { ShowError("Сумма не корректна."); return; }
			if (platej < 0) { ShowError("Платёж < 0."); return; }
			if (platejGridView.SelectedRows.Count != 1) { ShowError("Платёж не выбран."); return; }
			var pl = WorkDB.GetPlatej((int)platejGridView.SelectedRows[0].Cells[0].Value);
			if (pl == null) { ShowError("Платежа нет в БД."); return; }
			pl.DogovorId = dogId;
			pl.Summa = platej;
			WorkDB.ChangePlatej(pl);
			UpdatePlatejTable();
		}
		private void delPlatejBox_Click(object sender, EventArgs e)
		{
			if (!int.TryParse(idLabel.Text, out int dogId)) { ShowError("Договор не выбран."); return; }
			if (platejGridView.SelectedRows.Count != 1) { ShowError("Платёж не выбран."); return; }
			var pl = WorkDB.GetPlatej((int)platejGridView.SelectedRows[0].Cells[0].Value);
			if (pl == null) { ShowError("Платежа нет в БД."); return; }
			WorkDB.DeletePlatej(pl);
			UpdatePlatejTable();
		}

		private void UpdatePostTable()
		{
			var selected = (postGridView.SelectedRows.Count > 0) ? postGridView.SelectedRows[0].Index : -1;
			{
				var r = postGridView.Rows;
				while (r.Count > 0)
					r.Remove(r[0]);
				var c = postGridView.Columns;
				while (c.Count > 0)
					c.Remove(c[0]);
			}
			{
				var c = postGridView.Columns;
				c.Add("Id", "№");
				c["Id"].Width = 40;
				c.Add("ZavNum", "Зав. №");
				c["ZavNum"].Width = 120;
			}
			{
				if (int.TryParse(idLabel.Text, out int idRes))
				{
					var arr = WorkDB.GetPostavkyFromDogovor(idRes);
					if (arr != null)
					{
						var r = postGridView.Rows;
						foreach (var post in arr)
							r.Add(new object[] {
								post.Id,
								post.ZavNum
							});
					}
				}
			}
			{
				if (postGridView.Rows.Count > 0)
					postGridView.Rows[0].Selected = true;
				if (selected != -1 && selected < postGridView.Rows.Count)
					for (var i = 0; i < postGridView.Rows.Count; i++)
						postGridView.Rows[i].Selected = (i == selected);
			}
		}
		private void addPostButton_Click(object sender, EventArgs e)
		{
			var form = new PostForm(true);
			form.ShowDialog();
			var postId = form.returnId;
			if (!int.TryParse(idLabel.Text, out int dogId)) { ShowError("Договор не выбран."); return; }
			if (!postId.HasValue) { ShowError("Поставка не выбрана."); return; }
			var post = WorkDB.GetPostavka(postId.Value);
			if (post == null) { ShowError("Поставки не существует."); return; }
			if (post.DogovorId.HasValue) { ShowError("Поставка связана с договором."); return; }
			post.DogovorId = dogId;
			WorkDB.ChangePostavka(post);
			UpdatePostTable();
		}
		private void delPostButton_Click(object sender, EventArgs e)
		{
			if (!int.TryParse(idLabel.Text, out int dogId)) { ShowError("Договор не выбран."); return; }
			if (postGridView.SelectedRows.Count != 1) { ShowError("Поставка не выбрана."); return; }
			var post = WorkDB.GetPostavka((int)postGridView.SelectedRows[0].Cells[0].Value);
			if (post == null) { ShowError("Поставки не существует."); return; }
			if (!post.DogovorId.HasValue) { ShowError("Поставка не связана с договором."); return; }
			post.DogovorId = null;
			WorkDB.ChangePostavka(post);
			UpdatePostTable();
		}

		private void UpdateDocTable()
		{
			var selected = (docGridView.SelectedRows.Count > 0) ? docGridView.SelectedRows[0].Index : -1;
			{
				var r = docGridView.Rows;
				while (r.Count > 0)
					r.Remove(r[0]);
				var c = docGridView.Columns;
				while (c.Count > 0)
					c.Remove(c[0]);
			}
			{
				var c = docGridView.Columns;
				c.Add("Id", "№");
				c["Id"].Width = 40;
				c.Add("DecNum", "Дец. №");
				c["DecNum"].Width = 120;
			}
			{
				if (int.TryParse(idLabel.Text, out int idRes))
				{
					var arr = WorkDB.GetDocumentyDogDocFromDogovor(idRes);
					if (arr != null)
					{
						var r = docGridView.Rows;
						foreach (var dd in arr)
							r.Add(new object[] {
						dd.dogDoc.Id,
						dd.doc.DecNum,
					});
					}
				}
			}
			{
				if (docGridView.Rows.Count > 0)
					docGridView.Rows[0].Selected = true;
				if (selected != -1 && selected < docGridView.Rows.Count)
					for (var i = 0; i < docGridView.Rows.Count; i++)
						docGridView.Rows[i].Selected = (i == selected);
			}
		}
		private void addDocButton_Click(object sender, EventArgs e)
		{
			var form = new DocForm(true);
			form.ShowDialog();
			var docId = form.returnId;
			if (!int.TryParse(idLabel.Text, out int dogId)) { ShowError("Договор не выбран."); return; }
			if (!docId.HasValue) { ShowError("Документ не выбран."); return; }
			var doc = WorkDB.GetDocument(docId.Value);
			if (doc == null) { ShowError("Документа не существует."); return; }
			var dogDoc = WorkDB.GetDogDoc(dogId, docId.Value);
			if (dogDoc != null) { ShowError("Документ связан с договором."); return; }
			dogDoc = new DogDoc() { DogovorId = dogId, DocumentId = docId.Value};
			WorkDB.AddDogDoc(dogDoc);
			UpdateDocTable();
		}
		private void delDocButton_Click(object sender, EventArgs e)
		{
			if (!int.TryParse(idLabel.Text, out int dogId)) { ShowError("Договор не выбран."); return; }
			if (docGridView.SelectedRows.Count != 1) { ShowError("Договор не выбран."); return; }
			var doc = WorkDB.GetDocument((int)docGridView.SelectedRows[0].Cells[0].Value);
			if (doc == null) { ShowError("Документ не существует."); return; }
			var dogDoc = WorkDB.GetDogDoc(dogId, doc.Id);
			if (dogDoc == null) { ShowError("Документ не связана с договором."); return; }
			WorkDB.DeleteDogDoc(dogDoc);
			UpdateDocTable();
		}

		public int? returnId = null;
		private bool needReturn = false;

		private Task errDrop;
		private void ShowError(string msg = null)
		{
			errorLabel.Text = string.IsNullOrEmpty(msg) ? "Неизвестная ошибка." : msg;
			errorLabel.Visible = true;
			errDrop = new Task(() =>
			{
				var fd = errDrop.Id;
				Task.Delay(5000).Wait();
				if (errDrop.Id == fd)
					if (InvokeRequired) Invoke((Action)(() => { errorLabel.Visible = false; }));
					else errorLabel.Visible = false;
			});
			errDrop.Start();
		}

		private Task filterDrop;
		private void searchBox_TextChanged(object sender, EventArgs e)
		{
			filterDrop = new Task(() =>
			{
				var fd = filterDrop.Id;
				Task.Delay(1000).Wait();
				if (filterDrop.Id == fd)
					if (InvokeRequired) Invoke((Action)(() => { UpdateTable(WorkDB.ListDogovor(searchBox.Text)); }));
					else UpdateTable(WorkDB.ListDogovor(searchBox.Text));

			});
			filterDrop.Start();
		}
		private void resetSearchButton_Click(object sender, EventArgs e)
		{
			searchBox.Text = "";
			filterDrop = new Task(() => { return; });
			UpdateTable(WorkDB.ListDogovor(searchBox.Text));
		}

		public DogForm(bool needReturn = false)
		{
			this.needReturn = needReturn;
			InitializeComponent();
			try
			{
				UpdateTable(WorkDB.ListDogovor(searchBox.Text));
				Init();
			}
			catch { throw; }
		}
		private void Init()
		{
			if (Program.user == null) this.Close();
			if (this.needReturn)
			{
				selectButton.Visible = true;
				mainMenuStrip.Visible = false;
			}
			else
			{
				mainMenuStrip.Items[0].Enabled = Program.user.Usr.Dog > 0;
				mainMenuStrip.Items[1].Enabled = Program.user.Usr.Doc > 0;
				mainMenuStrip.Items[2].Enabled = Program.user.Usr.Izv > 0;
				mainMenuStrip.Items[3].Enabled = Program.user.Usr.Post > 0;
				mainMenuStrip.Items[4].Enabled = Program.user.Usr.Izd > 0;
				mainMenuStrip.Items[5].Enabled = Program.user.Usr.Zak > 0;
				mainMenuStrip.Items[6].Enabled = Program.user.Usr.Set > 0;
				mainMenuStrip.Items[0].Enabled = false;
			}
			{
				zakDecNumLinkLabel.Enabled = Program.user.Usr.Dog > 2;
				createButton.Enabled = Program.user.Usr.Dog > 2;
				changeButton.Enabled = Program.user.Usr.Dog > 1;
				deleteButton.Enabled = Program.user.Usr.Dog > 2;
				izdDecNumLinkLabel.Enabled = Program.user.Usr.Dog > 1;
				addIzdButton.Enabled = Program.user.Usr.Dog > 1;
				changeIzdButton.Enabled = Program.user.Usr.Dog > 1;
				delIzdButton.Enabled = Program.user.Usr.Dog > 1;
				addPlatejBox.Enabled = Program.user.Usr.Dog > 1;
				changePlatejBox.Enabled = Program.user.Usr.Dog > 1;
				delPlatejBox.Enabled = Program.user.Usr.Dog > 1;
				addPostButton.Enabled = Program.user.Usr.Dog > 1;
				delPostButton.Enabled = Program.user.Usr.Dog > 1;
				addDocButton.Enabled = Program.user.Usr.Dog > 1;
				delDocButton.Enabled = Program.user.Usr.Dog > 1;
			}
		}


		private void ClearBoxes()
		{
			idLabel.Text = "";
			dogNumBox.Text = "";
			zakId = null;
			UpdateZakDecNumLink();
			datePicker.Value = DateTime.Now;
			prikZapBox.Text = "";
			garantiiBox.Text = "";
			primechanieBox.Text = "";
			ClearIzd();
			UpdateIzdTable();
			ClearPlatej();
			UpdatePlatejTable();
			UpdatePostTable();
			UpdateDocTable();
		}
		int? zakId = null;
		private void UpdateZakDecNumLink()
		{
			var size = 23;
			zakDecNumLinkLabel.Text = "Не выбран.";
			if (!zakId.HasValue) return;
			var f = WorkDB.GetZakazchik(zakId.Value);
			if (f == null) return;
			zakDecNumLinkLabel.Text = (f.Name.Length > size) ? f.Name.Substring(0, size - 3) + "..." : f.Name;
		}
		private void selectZak_Click(object sender, EventArgs e)
		{
			var form = new ZakForm(true);
			form.ShowDialog();
			zakId = form.returnId;
			UpdateZakDecNumLink();
		}

		private void UpdateTable(Dogovor[] arr, bool reset_cursor = false)
		{
			var selected = (!reset_cursor && dogGridView.SelectedRows.Count > 0) ? dogGridView.SelectedRows[0].Index : -1;
			{
				var r = dogGridView.Rows;
				while (r.Count > 0)
					r.Remove(r[0]);
				var c = dogGridView.Columns;
				while (c.Count > 0)
					c.Remove(c[0]);
			}
			{
				var c = dogGridView.Columns;
				c.Add("Id", "№");
				c["Id"].Width = 40;
				c.Add("DogNum", "Дог. №");
				c["DogNum"].Width = 120;
				c.Add("ZakName", "Заказчик");
				c["ZakName"].Width = 120;
				c.Add("DataPost", "Дата пост.");
				c["DataPost"].Width = 80;
				c.Add("PrikoZap", "Приказ о зап.");
				c["PrikoZap"].Width = 120;
				c.Add("Garantii", "Гарантии.");
				c["Garantii"].Width = 200;
				c["Garantii"].DefaultCellStyle.WrapMode = DataGridViewTriState.True;
				c.Add("Primechanie", "Примечание.");
				c["Primechanie"].Width = 200;
				c["Primechanie"].DefaultCellStyle.WrapMode = DataGridViewTriState.True;
			}
			{
				var r = dogGridView.Rows;
				foreach (var dog in arr)
					r.Add(new object[] {
						dog.Id,
						dog.DogNum,
						WorkDB.GetZakazchik(dog.ZakazchikId).Name,
						dog.DataPostavky.ToString("yyyy.MM.dd"),
						dog.PrikazZapusk,
						dog.Garantiy,
						dog.Primechanie
					});
			}
			if (dogGridView.Rows.Count > 0)
				dogGridView.Rows[0].Selected = true;
			if (selected != -1 && selected < dogGridView.Rows.Count)
				for (var i = 0; i < dogGridView.Rows.Count; i++)
					dogGridView.Rows[i].Selected = (i == selected);
			dogGridView_CurrentCellChanged(this, new EventArgs());
		}
		private void dogGridView_CurrentCellChanged(object sender, EventArgs e)
		{
			ClearBoxes();
			if (dogGridView.SelectedRows.Count != 1)
				return;
			{
				var dog = WorkDB.GetDogovor((int)dogGridView.SelectedRows[0].Cells[0].Value);
				if (dog == null)
					return;
				idLabel.Text = dog.Id.ToString();
				dogNumBox.Text = dog.DogNum;
				zakId = dog.ZakazchikId;
				UpdateZakDecNumLink();
				datePicker.Value = dog.DataPostavky;
				prikZapBox.Text = dog.PrikazZapusk;
				garantiiBox.Text = dog.Garantiy;
				primechanieBox.Text = dog.Primechanie;
				UpdateIzdTable();
				UpdatePlatejTable();
				UpdatePostTable();
				UpdateDocTable();
			}
		}
		private void createButton_Click(object sender, EventArgs e)
		{
			if (WorkDB.ListDogovor().Where(x => x.DogNum == dogNumBox.Text).Count() > 0 ) { ShowError("Номер договора дублируется."); return; }
			if (!zakId.HasValue) { ShowError("Заказчик не выбран."); return; }
			var r = new Dogovor()
			{
				DogNum = dogNumBox.Text,
				ZakazchikId = zakId.Value,
				DataPostavky = datePicker.Value,
				PrikazZapusk = prikZapBox.Text,
				Garantiy = garantiiBox.Text,
				Primechanie = primechanieBox.Text
			};
			WorkDB.AddDogovor(r);
			UpdateTable(WorkDB.ListDogovor(searchBox.Text));
		}
		private void changeButton_Click(object sender, EventArgs e)
		{
			if (!int.TryParse(idLabel.Text, out int dogId)) { ShowError("Договор не выбран."); return; }
			var d = WorkDB.GetDogovor(dogId);
			if (d == null) { ShowError("Договора нет в БД."); return; }
			if (dogNumBox.Text != d.DogNum && WorkDB.ListDogovor().Where(x => x.DogNum == dogNumBox.Text).Count() > 0) { ShowError("Номер договора дублируется."); return; }
			if (!zakId.HasValue) { ShowError("Заказчик не выбран."); return; }
			d.DogNum = dogNumBox.Text;
			d.ZakazchikId = zakId.Value;
			d.DataPostavky = datePicker.Value;
			d.PrikazZapusk = prikZapBox.Text;
			d.Garantiy = garantiiBox.Text;
			d.Primechanie = primechanieBox.Text;
			WorkDB.ChangeDogovor(d);
			UpdateTable(WorkDB.ListDogovor(searchBox.Text));
		}
		private void deleteButton_Click(object sender, EventArgs e)
		{
			if (!int.TryParse(idLabel.Text, out int dogId)) { ShowError("Договор не выбран."); return; }
			var d = WorkDB.GetDogovor(dogId);
			if (d == null) { ShowError("Договора нет в БД."); return; }
			if (WorkDB.GetIzdelieDogIzdFromDogovor(d.Id).Length > 0) { ShowError("Есть связанные изделия."); return; }
			if (WorkDB.GetPlatejyFromDogovor(d.Id).Length > 0) { ShowError("Есть связанные платежи."); return; }
			if (WorkDB.GetPostavkyFromDogovor(d.Id).Length > 0) { ShowError("Есть связанные поставки."); return; }
			if (WorkDB.GetDocumentyDogDocFromDogovor(d.Id).Length > 0) { ShowError("Есть связанные документы."); return; }
			WorkDB.DeleteDogovor(d);
			UpdateTable(WorkDB.ListDogovor(searchBox.Text));
		}
		private void resetButton_Click(object sender, EventArgs e)
		{
			ClearBoxes();
		}
		private void selectButton_Click(object sender, EventArgs e)
		{
			if (int.TryParse(idLabel.Text, out int idRes))
				returnId = idRes;
			this.Close();
		}
		private void MenuItem_Click(object sender, EventArgs e)
		{
			object form = null;
			if ((ToolStripMenuItem)sender == mainMenuStrip.Items[0]) { form = new DogForm(); }
			if ((ToolStripMenuItem)sender == mainMenuStrip.Items[1]) { form = new DocForm(); }
			if ((ToolStripMenuItem)sender == mainMenuStrip.Items[2]) { form = new IzvForm(); }
			if ((ToolStripMenuItem)sender == mainMenuStrip.Items[3]) { form = new PostForm(); }
			if ((ToolStripMenuItem)sender == mainMenuStrip.Items[4]) { form = new IzdForm(); }
			if ((ToolStripMenuItem)sender == mainMenuStrip.Items[5]) { form = new ZakForm(); }
			if ((ToolStripMenuItem)sender == mainMenuStrip.Items[6]) { form = new SetForm(); }
			if (form != null)
			{
				this.Hide();
				((Form)form).Closed += (s, args) => this.Close();
				((Form)form).Show();
			}
		}


	}
}