private void AddRows() { dataGridViewNameOfCompanies.Rows.Clear(); foreach (var nameOfCompany in _qt.GetDirectoryCompanies().ToList()) { var row = new DataGridViewRow(); row.CreateCells(dataGridViewNameOfCompanies); row.Cells[0].Value = nameOfCompany.Id; row.Cells[1].Value = nameOfCompany.Name; row.Cells[2].Value = nameOfCompany.DirectoryTypeOfCompany.Name; dataGridViewNameOfCompanies.Rows.Add(row); } }