koobas.hobune.stream
sort List alphabetically
a) I've got a List<Item>. Class Item has a string _name variable. I need to sort that list alphabetically according to _name.
b) I'd love to know how to do the same thing with int variables of Item class - sort the list according to them in increasing order.
I'm using C#. If anyone could write a little example for me to better understand this, I'd be very grateful, english is not my first language and reading documentation doesn't always work for me.
No point me rewriting examples that you can find elsewhere on the internet. Try this link for example.
http://www.dotnetperls.com/sort-string-array
Edit: To get to the comparison on a class you need to pass in a comparison method like so;
Option1
people.Sort(
delegate(Item i1, Item i2)
{
return i1.name.CompareTo(i2.name);
}
);
Option2
list.Sort(CompareListByName);
private static int CompareListByName(Item i1, Item i2)
{
return i1.name.CompareTo(i2.name);
}
that works only for string arrays and lists - I've got List where Class holds the string.
O sorry missed that part. You need to sort the method using a comparison. http://msdn.microsoft.com/en-us/library/3da4abas.aspx http://msdn.microsoft.com/en-us/library/w56d4y5z.aspx
The following should work for you
list.Sort(delegate(Item i1, Item i2) { return i1.name.CompareTo(i2.name); });
how would I write this in javascript? I can't seem to find the right sintax
Can't you use a SortedList<> instead of List<> to hold your objects?
By default when you iterate the list it is sorted.
