99 lines
3.2 KiB
C#
99 lines
3.2 KiB
C#
using System;
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using System.Windows.Forms;
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using Unity;
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using YourNamespace.Repositories;
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namespace YourNamespace.Forms
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{
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public partial class FormTickets : Form
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{
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private readonly IUnityContainer _container;
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private readonly ITicketRepository _ticketRepository;
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public FormTickets(IUnityContainer container, ITicketRepository ticketRepository)
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{
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InitializeComponent();
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_container = container ?? throw new ArgumentNullException(nameof(container));
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_ticketRepository = ticketRepository ?? throw new ArgumentNullException(nameof(ticketRepository));
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}
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private void FormTickets_Load(object sender, EventArgs e)
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{
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try
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{
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LoadList();
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}
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catch (Exception ex)
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{
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MessageBox.Show(ex.Message, "Ошибка при загрузке", MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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}
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private void ButtonAdd_Click(object sender, EventArgs e)
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{
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try
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{
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_container.Resolve<FormTicket>().ShowDialog();
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LoadList();
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}
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catch (Exception ex)
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{
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MessageBox.Show(ex.Message, "Ошибка при добавлении", MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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}
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private void ButtonUpd_Click(object sender, EventArgs e)
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{
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if (!TryGetIdentifierFromSelectedRow(out var findId))
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{
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return;
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}
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try
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{
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var form = _container.Resolve<FormTicket>();
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form.Id = findId;
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form.ShowDialog();
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LoadList();
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}
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catch (Exception ex)
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{
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MessageBox.Show(ex.Message, "Ошибка при изменении", MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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}
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private void ButtonDel_Click(object sender, EventArgs e)
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{
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if (!TryGetIdentifierFromSelectedRow(out var findId))
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{
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return;
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}
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if (MessageBox.Show("Удалить запись?", "Удаление", MessageBoxButtons.YesNo) != DialogResult.Yes)
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{
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return;
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}
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try
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{
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_ticketRepository.DeleteTicket(findId);
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LoadList();
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}
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catch (Exception ex)
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{
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MessageBox.Show(ex.Message, "Ошибка при удалении", MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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}
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private void LoadList() => dataGridViewData.DataSource = _ticketRepository.ReadTickets();
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private bool TryGetIdentifierFromSelectedRow(out int id)
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{
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id = 0;
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if (dataGridViewData.SelectedRows.Count < 1)
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{
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MessageBox.Show("Нет выбранной записи", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
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return false;
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}
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id = Convert.ToInt32(dataGridViewData.SelectedRows[0].Cells["Id"].Value);
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return true;
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}
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}
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} |