ListHelpers - ToSelectItems(...)

ListHelpers1.cs

public static IEnumerable<SelectListItem> ToSelectItems(this IEnumerable<String> items)
{
	foreach (var item in items)
	{
		yield return new SelectListItem()
		{
			Text = item,
			Value = item
		};
	}
}

ListHelpers2.cs

public static IEnumerable<SelectListItem> ToSelectItems(this IEnumerable<String> items)
{
	return items.ToSelectItems(s => s);
}

public static IEnumerable<SelectListItem> ToSelectItems(this IEnumerable<String> items, Func<string, string> buildText)
{
	foreach (var item in items)
	{
		yield return new SelectListItem()
		{
			Text = buildText(item),
			Value = item
		};
	}
}