CODEWITHSUNDEEP
c#.netcollectionsiterator
ghost_mv
ghost_mv

Reputation: 1200

Most efficient way to retrieve/update an object from a collection?

I'm working with a silverlight datagrid that is bound to an observable collection of a business object. We do not support inline editing of the objects within the grid but we do display a corresponding editing panel for the user selected row. When the user submits the edits from this panel, I'm persisting the changes in the DB but I'd like the changes to also reflect in the grid.

I know that through the use of the observable collection and notify property changed that if I change the object that the selected row is bound to, the changes will display in the grid.

However, since I'm not inline editing, I need to search the observable collection for the object and make the change to the business object's instance in the observable collection.

I'd like to avoid having to loop through the collection to find said object but I'm worried this is the only real way. There's no other more efficient, less performance-heavy way that I'm not aware of to retrieve an object from a collection correct? Other than simply to loop through until I hit it?

Upvotes: 1

Views: 310

Answers (2)

ghost_mv
ghost_mv

Reputation: 1200

after having some critical exceptions happen that i couldn't keep track of i decided to avoid the databinding to the edit panel and go with Jeffrey L Whitledge's suggestion. i'm maintaining a reference to the object displayed in the panel and with the notify changed, when i the user submits the update panel and i persist the changes to the business objects, i'm setting the changes to the grid row object that's bound.

thx guys

Upvotes: 0

Bueller
Bueller

Reputation: 2344

can you bind your edit grid to the selected item of the display grid? Since they are references this will push/pull changes into the observable collection which can then be persisted.

Upvotes: 2

Related Questions