```
  For Each dr In ds.Tables(0).Rows
                        If String.IsNullOrEmpty(dr("BIL")) Then
                            dr.Delete() //how to delete this row?
                        End If
                    Next

```

first,will loop all data then check which row in BIL column are empty,if the row in BIL column are empty,then delete the row from dataset,how to delete this empty datarow?