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Tip: Use an Extension Method to Update All Items in a List

Learn how to use an extension method to update all of the items in a list with C#.


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Learn how to use an extension method to update all of the items in a list with C#.

public static IEnumerable ForEach(this IEnumerable collection, Action action)
{
    //Loop thru the collection

    foreach (T item in collection)
    {
        action(item);
    }
    return collection;
}

Example:

californiaClients.ForEach(timezone = timeZone.value = "PST"); 

 

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