c# - ASP.NET repository get id after insert -

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how can id after insert() command. here code.

private readonly irepository<shoppingcart> _shoppingcartrepository; public shoppingcartbl(irepository<shoppingcart> shoppingcartrepository)     {         _shoppingcartrepository = shoppingcartrepository;     }  public int createnewshoppingcart(shoppingcart item)     {         if(item==null)             throw new argumentnullexception("shoppingcart variable");          this._shoppingcartrepository.insert(item);         return this._shoppingcartrepository.table.last().id;     }

this part gives error: return this._shoppingcartrepository.table.last().id;

i need id of inserted item.

thanx

after have inserted entity should updated property maps primary key in database has new pk value.

like in case item.id give new id


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