public SqlOrderData(ComputerReparatieshopDbContext db) { this.db = db; }
public SqlPartsListData(ComputerReparatieshopDbContext db) { this.db = db; }
public SqlEmployeeData(ComputerReparatieshopDbContext db) { this.db = db; }
public SqlStatusData(ComputerReparatieshopDbContext db) { this.db = db; }