Using Reflection to discover an objects property list

Question

I've tried for 2 days to find something that will work and none of the examples I have found are working.

What I need is to be able to get a list of public properties from an instantiated class.

For Instance:

MyClass has the following definition:

public class MyClassSample : MyDC
{
  public string ReportNumber = "";
  public string ReportDate = "";

  public MyClassSample()
  {
  }
}

What I need is a way to simply return an array that has ["ReportNumber"]["ReportDate"] in it from the above class.

Here is my most recent attempt, just to add the property names to a string:

    string cMMT = "";

    Type t = atype.GetType();
    PropertyInfo[] props = t.GetProperties();
    List<string> propNames = new List<string>();
    foreach (PropertyInfo prp in props)
    {
        cMMT = cMMT + prp.Name + "\n";
    }

I think I am missing something basic and simple, but for some reason I cannot see it right now. Any help would be appreciated.

I suggest you learn the difference between fields and properties before you dive into reflection ;) — Thomas Levesque
– Thomas Levesque, Commented May 16, 2012 at 15:54
Please read also this article how to handle with String dotnetperls.com/convert-list-string — Damian Leszczyński - Vash
– Damian Leszczyński - Vash, Commented May 16, 2012 at 16:00

Tejs · Accepted Answer · 2012-05-16 15:52:14Z

6

Those aren't properties. Those are fields.

So you can do this:

FieldInfo[] fields = t.GetFields();

Or you can change those into properties:

public string ReportNumber { get; set; }
public string ReportDate { get; set; }

answered May 16, 2012 at 15:52

Tejs

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hjgraca · Accepted Answer · 2012-05-16 16:00:18Z

1

change this

public string ReportNumber = "";
public string ReportDate = "";

to this

public string ReportNumber { get; set; }
public string ReportDate { get; set; }

and then,

List<string> propNames = new List<string>();

foreach (var info in atype.GetType().GetProperties())
{
   propNames.Add(info.Name);
}

The result wold be a list (propName) with two positions with the name of your properties

answered May 16, 2012 at 16:00

hjgraca

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