public static void Clear()
{
Account = null;
Username = string.Empty;
Conference = null;
Roles.Clear();
Conferences.Clear();
Author = null;
}
void Handle_Search(string key)
{
if (key.Length > 4)
{
var searchItems = Conferences.Where(x => x.Title.ToLower().StartsWith(key.ToLower())).ToList();
Conferences.Clear();
searchItems.ForEach(x => Conferences.Add(x));
Count = searchItems.Count();
}
else
{
if (key.Length == 0)
{
Conferences.Clear();
BindData();
}
}
}