Get the distinct items from an IEnumerable

Question

I have an `IEnumerable` object. The `Person` class has a `Designation` property. I want to select distinct `Designation` values from `IEnumerable` and assign that to a DropDownList. How can I do it?

Accepted Answer

```
var designations = persons.Select(p => p.Designation).Distinct();
```

Get the distinct items from an IEnumerable<T>

Solution

Problem