public FormPicExtensionClients(ClassDB db)
{
this.db = db;
InitializeComponent();
dgvExtentionWorks.ColumnCount = 7;
dgvExtentionWorks.Columns[0].HeaderCell.Value = "ID клиента";
dgvExtentionWorks.Columns[1].HeaderCell.Value = "Фамилия";
dgvExtentionWorks.Columns[2].HeaderCell.Value = "Имя";
dgvExtentionWorks.Columns[3].HeaderCell.Value = "Номер телефона";
dgvExtentionWorks.Columns[4].HeaderCell.Value = "Марка";
dgvExtentionWorks.Columns[5].HeaderCell.Value = "Модель";
dgvExtentionWorks.Columns[6].HeaderCell.Value = "Количество дней";
db.SearchExtentionWorksForPic(dgvExtentionWorks);
}