[Solved] How to check if there is an element at the specific index in a list?

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If i is the index you want to have, check the Count:

if (i >= 0 && (list.Count - 1) >= i)
{
    // okay, the item is there
}

If talking about nullable types, you could also check if the item on that index isn’t null:

if (i >= 0 && (list.Count - 1) >= i && list[i] != null)
{
    // okay, the item is there, and it has a value
}

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solved How to check if there is an element at the specific index in a list?