public void Initialize()
{
sectionList = new List<string> {"A","B","C","D","E","F","G","H","J","I","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z" };
filteredSectionList = new List<string> {"A","B","C","D","E","F","G","H","J","I","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z" };
var random = new System.Random();
for(int i = 0; i < 2000; i++)
{
dictionaryItems.Add(sectionList[random.Next(26)] + sectionList[random.Next(26)] + sectionList[random.Next(26)] + sectionList[random.Next(26)]);
}
dictionaryItems.Sort();
foreach(var item in dictionaryItems)
{
filteredDictionaryItems.Add(item);
}
}