Dim f1 As New Filler
Dim cnt as integer = DataTables("目标表").DataRows.Count
f1.SourceTable = DataTables("来源表")
f1.SourceCols = "字段1,字段2,字段3"
f1.DataTable = DataTables("目标表")
f1.DataCols = "字段1,字段2,字段3"
f1.ExcludeNullValue = True
f1.Fill()
For i as integer= cnt to DataTables("目标表").DataRows.Count -1
DataTables("目标表").DataRows(i)("字段4") = "固定的值"
next