ArrayList ShowMess = new ArrayList();
ColumnHeader c = new ColumnHeader();
c.Text = "time";
ShowMess.Columns.Add(c);
ColumnHeader c = new ColumnHeader();
c.Text = "add";
ShowMess.Columns.Add(c);
ColumnHeader c = new ColumnHeader();
c.Text = "tel";
ShowMess.Columns.Add(c);
ColumnHeader c = new ColumnHeader();
c.Text = "MB";
ShowMess.Columns.Add(c);