mylist.Add("a");
mylist.Add("1");
mylist.Add("a");
mylist.Add("1");
for (int count = 0; count < mylist.Count; count++)
{
value = mylist[count]; for (int a = count+1; a < mylist.Count; a++)
{
if (value == mylist[a])
{
MessageBox.Show(value);
return;
}
}
}
mylist.Add("1");
mylist.Add("a");
mylist.Add("1");
for (int count = 0; count < mylist.Count; count++)
{
value = mylist[count]; for (int a = count+1; a < mylist.Count; a++)
{
if (value == mylist[a])
{
MessageBox.Show(value);
return;
}
}
}
var query = from x in mylist
group x by x into g
where g.Count() > 1
select g.First();