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;
}