CODEWITHSUNDEEP
c#asp.netlist
maryam mohammadi
maryam mohammadi

Reputation: 694

How to sort a <list> of class in c#?

I have a list of a class like this :

 public class CityCodeInfo
 {
    public string CityName;
    public string Province;
    public string Code; 
  }

  List<CityCodeInfo> lstCityt = new List<CityCodeInfo>();

How can i sort this list by any of its variables (cityname, province and code)

i've tried this code:

  lstCityt.Sort((x, y) => string.Compare(x.CityName, y.CityName));

but it doesn't work...

Any Idea?!

Upvotes: 2

Views: 13725

Answers (2)

Marc Gravell
Marc Gravell

Reputation: 1064104

What you already have is already complete and correct:

lstCityt.Sort((x, y) => string.Compare(x.CityName, y.CityName));

That indeed sorts a list of a class. It sounds like you are seeing some secondary issue to do with the repeater, but you have not provided context for that. The main thing I'd look at is timing, i.e. whether you binding before or after sorting the list.

Upvotes: 2

Kundan Singh Chouhan
Kundan Singh Chouhan

Reputation: 14302

You can use LINQ for it.

Ascending Order

var result = lstCityt.OrderBy(C=> C.CityName).ThenBy(C=> C.Province).ThenBy(C=> C.Code);

Descending Order

var result = lstCityt.OrderByDescending(C=> C.CityName).ThenByDescending(C=> C.Province).ThenByDescending(C=> C.Code);

Both

var result = lstCityt.OrderBy(C=> C.CityName).ThenByDescending(C=> C.Province).ThenByDescending(C=> C.Code);

Upvotes: 9

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