How to find sum from obervablecollection list in C#


This example shows how you can simply find aggregate functions like sum, average etc from a Obervablecollection list.

ObservableCollection and Model-View-ViewModel is a ideal for a typical WPF application, these are programmers two of the best tools.

In this example I am using a model class , and want to find sum of inventory qty from batch list.

double qty=_batches.Sum((b) => b.qty));

Here _batches is representing the ObservableCollection of Model batch.

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