筛选统计中表达式写得不正确，求正解 - 专家坐堂 - Foxtable(狐表) - 新一代数据库软件，完美融合Access、Foxpro、Excel、vb.net之优势，人人都能掌握的快速软件开发工具!

Dim trv As WinForm.TreeView = e.Form.Controls("TreeView1")

trv.BuildTree(dt, "流程|年|主体名称","","流程,年,受理时间 DESC")

trv.StopRedraw

For Each nd As WinForm.TreeNode In trv.AllNodes

Dim Year As Integer= nd.DataRow("年")

Dim Product As String = nd.DataRow("主体名称")

Dim P As String = nd.DataRow("负责人")

Dim t As String = nd.DataRow("流程")

Select Case nd.Level

Case 0

nd.Text = nd.text & "(" & dt.Compute("sum(件数)","流程 = '" & t & "'") & "件)"

Case 1

nd.Text = nd.text & "年 (" & dt.Compute("sum(件数)", "流程 = '"&t&"' And "年 = "& Year) & "件)"

Case 2

nd.Text = nd.text & "|" & ""& p & ""

End Select

trv.Nodes.Insert("所有的行政许可","所有的行政许可(" & dt.Compute("sum(件数)") & "件)",0)

主题：筛选统计中表达式写得不正确，求正解