How to Get Every nth Item from a List in .NET 3.5?

Obtaining Every nth Item from a List in .NET 3.5

In this scenario, you desire a .NET 3.5 solution capable of retrieving every nth item from a List.

For this task, one can utilize LINQ to select specific elements from the list using a conditional filter. The following code snippet demonstrates this:

List<T> list = ...  // Your original list

int nStep = ...  // The step value (e.g., every 3rd item)

var result = list.Where((x, i) => i % nStep == 0);

Here, the LINQ expression Where is employed to filter the list based on the specified condition. The condition (x, i) => i % nStep == 0 checks whether the index i of each item is divisible by nStep. If it is, the item is selected for inclusion in the result list.

This approach is concise and efficiently leverages LINQ's filtering capabilities to achieve the desired result.

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