问题描述有点费解,下面的代码不知道对否:
Dim pr As Row = Tables("实体预算书").Current
Dim s As String
Dim drs As List(of DataRow) = DataTables("项目特征").Select("特征值 Is Not null And QD = '"& pr("QD") &"'")
For i As Integer = 0 To drs.count -1
Dim dr As DataRow = drs(i)
s = S & (i+1) & "." & dr("特征").Trim() & ": " & dr("特征值").Trim()
If i < drs.count -1 Then
s= s & vbcrlf
End If
Next
pr("项目特征") = s