public void ResetMaintenancesDataGrid(MaintenanceType typeOfMaintenance)
{
dgvMaintenances.DataSource = Maintenance.GetMaintenances(typeOfMaintenance);
dgvMaintenances.Columns["ID"].Width = 30;
dgvMaintenances.Columns["OrderID"].Width = 80;
dgvMaintenances.Columns["ProductCode"].Width = 100;
dgvMaintenances.Columns["Duration"].Width = 70;
dgvMaintenances.Columns["StartDateTimeOfOperation"].HeaderText = "StartDate";
}