System.Data.DataView.Dispose C# (CSharp) Method

		protected override void Dispose (bool disposing)
		{
			if (disposing)
				Close ();

			base.Dispose (disposing);
		}

 public string GetfeederActivationCode(string fid)
 {
     CheckHasRows();
     DataView dv = new DataView(dtfeeder);
     dv.RowFilter = "feederNumber = " + fid;
     string returnval = "";
     if (dv.Count > 0)
     {
         returnval = dv[0]["FeederActivationCode"].ToString();
     }
     dv.Dispose();
     return returnval;
 }