ViewPurchaseOrder(item: any): void {
   this.drawerService.create({
      nzTitle: 'View Purchase Order',
      nzMaskClosable: true,
      nzWrapClassName: "full-drawer noSidebar",
      nzContent: NewPurchaseComponent,
      nzContentParams: { purchaseOrderData: item }
   });
 }

 ViewCreateOrder(item: any): void {

    this.drawerService.create({
      nzTitle: 'View Create Order',
      nzMaskClosable: true,
      nzWrapClassName: "md-drawer",
      nzContent: ViewProductCartComponent,
      nzContentParams: { createOrderData: item }
    });
  }

here i have two different methods drawer Services.

when i call ViewPurchaseOrder it will perfectly ok but when i call ViewCreateOrder then close drawer and if i call ViewPurchaseOrder again

i dont know why it called ViewProductCartComponent that components?

I am unable to find out this, can anyone please sort this out?