C#

//.. form load class & fun
ArrayList list = new ArrayList();
list.Add(new BindingObject(1, "One", null)); //..constructer alright
list.Add(new BindingObject(2, "Two", null));
list.Add(new BindingObject(3, "Three", "NULL"));
dataGrid1.DataSource = list;
//......

public class BindingObject
		{
			private int intMember;
			private string stringMember;
			private string nullMember;

			public BindingObject(int i, string str1, string str2)
			{
				intMember = i;
				stringMember = str1;
				nullMember = str2;
			}

			public int IntMember
			{
				get { return intMember; }
			}
			public string StringMember
			{
				get { return stringMember; }
			}
			public string NullMember
			{
				get { return nullMember; }
			}
		}

#define SC_MINIMIZE     0xF020
#define SC_MAXIMIZE     0xF030

private const int SC_MINIMIZE = 0xF020;
private const int SC_MAXIMAIZE = 0xF030;

frmLoginForm myLoginForm = new frmLoginForm;
DialogResult loginResult = myLoginForm.ShowDialog();
if (loginResult == DiaglogResult.OK)
{
    // The login was OK.  Enable the controls as needed.
}
else
{
    // The login failed.  Disable the controls as needed.
    // Or might want to quit the application.
}

DataSet ds = null;
using (StringReader reader = new StringReader(xmlString))
  ds.ReadXml(reader);
return ds;