C#

[Serializable]
public sealed class Reminder
{
    public string Name;
    public string Date;
    public string Time;
    public string Comment;
}

string s_FileName = Application.StartupPath + "\\List.xml";
                    Reminder r = new Reminder();
                    r.Name = Add.s_Name;
                    r.Date = Add.s_Date;
                    r.Time = Add.s_Time;
                    r.Comment = Add.s_Comment;
                    XmlSerializer xs = new XmlSerializer(typeof(Reminder));
                    FileStream fs = new FileStream(s_FileName, FileMode.OpenOrCreate, FileAccess.Write);
                    xs.Serialize(fs, r);

public sealed class Reminder
{        
	public string Name
	{
		get { return this.name; }
		set { this.name= value; }
	}
	private string name;

	...
}

sharpiesharpie wrote:

when a reminder is added it's saved to the xml file and then the list loads it

string s_FileName = Application.StartupPath + "\\List.xml";
            FileStream fs = new FileStream(s_FileName, FileMode.Create, FileAccess.Write);
            ArrayList al = new ArrayList();
            foreach (ListViewItem i in listView1.Items)
            {
                Reminder r = new Reminder();
                r.Name = i.Text;
                r.Date = i.SubItems[1].Text;
                r.Time = i.SubItems[2].Text;
                r.Comment = i.SubItems[3].Text;
                al.Add(r);
            }
            XmlSerializer xs = new XmlSerializer(typeof(ArrayList));
            xs.Serialize(fs, al);

lb.Items[2]="new text for line 2";
lb.Items[lb.SelectedIndex]="new text for the selected line";

CurrencyManager cm = (CurrencyManager)dataGridView1.BindingContext[dataGridView1.DataSource, dataGridView1.DataMember];
StringBuilder sb = new StringBuilder();
foreach (DataRowView rowView in (DataView)cm.List)
{
  sb.Append(rowView["werkAantalDataGridViewTextBoxColumn"].ToString());
  sb.Append(", ");
}
string aggregate = sb.ToString();