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 db_lab { public partial class CRUDForm : Form { private BuildingRepository buildingRepository; private int pageSize = 10; private int currentPage = 1; private string connectionString; public CRUDForm(string connectionString) { InitializeComponent(); this.connectionString = connectionString; buildingRepository = new BuildingRepository(connectionString); // Инициализация BuildingRepository LoadData(); } private void LoadData() { DataTable dt = buildingRepository.ReadBuildings(pageSize, currentPage); dataGridView1.DataSource = dt; } private void btnNext_Click(object sender, EventArgs e) { currentPage++; LoadData(); } private void btnPrev_Click(object sender, EventArgs e) { if (currentPage > 1) { currentPage--; LoadData(); } } private void btnDelete_Click(object sender, EventArgs e) { foreach (DataGridViewRow row in dataGridView1.SelectedRows) { int id = Convert.ToInt32(row.Cells["id"].Value); buildingRepository.DeleteBuilding(id); } LoadData(); } private void btnAdd_Click(object sender, EventArgs e) { EditFormBuilding editForm = new EditFormBuilding(buildingRepository); editForm.ShowDialog(); LoadData(); } private void btnEdit_Click(object sender, EventArgs e) { if (dataGridView1.SelectedRows.Count == 1) { int id = Convert.ToInt32(dataGridView1.SelectedRows[0].Cells["id"].Value); EditFormBuilding editForm = new EditFormBuilding(buildingRepository, id); editForm.ShowDialog(); LoadData(); } else { MessageBox.Show("Please select a single row to edit."); } } // another private void buildingBtn_Click(object sender, EventArgs e) { var crudForm = new CRUDForm(this.connectionString); crudForm.Show(); } private void DepartmentBtn_Click(object sender, EventArgs e) { var form = new DepartmentForm(this.connectionString); form.Show(); } private void RoomsBtn_Click(object sender, EventArgs e) { var form = new RoomForm(this.connectionString); form.Show(); } private void EquipmentBtn_Click(object sender, EventArgs e) { var form = new EquipmentForm(this.connectionString); form.Show(); } } }