主题：[求助]开一个帖请教问题~

 代码

Tables("装配表").DataTable.DeleteFor(" [日期] = '" & e.Form.Controls("DateTimePicker1").Value & "'")
Tables("装配表").Filter=" [日期] = '" & e.Form.Controls("DateTimePicker1").Value & "'"
SystemReady = False
Dim n,n1,n2 As Integer

Dim d As Date = e.Sender.Text

Dim drs As List(Of DataRow) = DataTables("蔬菜采收表").Select("日期 = #" & d & "#")
Dim drs_y As List(Of DataRow) = DataTables("蔬菜采收表").Select("日期 = #" & d.AddDays(-1) & "#")
Dim drs_by As List(Of DataRow) = DataTables("蔬菜采收表").Select("日期 = #" & d.AddDays(-2) & "#")
For Each dr As DataRow In DataTables("当天配送会员").Select("日期 = #" & d & "#")
    '统计是否满足装箱总斤数
    n=0
    n1=0
    n2=0
    Dim idx As Integer = 0
    For Each cdr As DataRow In drs
        Dim ndr As DataRow = DataTables("装配表").addnew
        If idx < drs_y.Count - 1 Then
            ndr("昨天品种") = drs_y(idx)("品种")
            Dim fdr_y As DataRow = DataTables("蔬菜喜好表").Find("会员编号 = '" & dr("会员编号") & "' and 产品 = '" & drs_y(idx)("品种") & "'")
            If fdr_y IsNot Nothing Then
                If fdr_y("喜好") = "吃" Then
                    ndr("昨天配比") = 1
                ElseIf fdr_y("喜好") = "爱吃" Then
                    ndr("昨天配比") = 2
                Else
                    ndr("昨天配比") = 0
                End If
                '没有找到记录     '
            Else
                n1=n1+1
                If n1<=5 Then
                    ndr("昨天配比") = 1
                Else
                    ndr("昨天配比") = 0
                End If
            End If
           
        End If
        If idx < drs_by.Count - 1 Then
            ndr("前天品种") = drs_by(idx)("品种")
            Dim fdr_by As DataRow = DataTables("蔬菜喜好表").Find("会员编号 = '" & dr("会员编号") & "' and 产品 = '" & drs_by(idx)("品种") & "'")
            If fdr_by IsNot Nothing Then
                If fdr_by("喜好") = "吃" Then
                    ndr("前天配比") = 1
                ElseIf fdr_by("喜好") = "爱吃" Then
                    ndr("前天配比") = 2
                Else
                    ndr("前天配比") = 0
                End If
                '没有找到记录     '
            Else
                n2=n2+1
                If n2<=5 Then
                    ndr("前天配比") = 1
                Else
                    ndr("前天配比") = 0
                End If
            End If
        End If
        ndr("日期") = dr("日期")
        ndr("会员编号") = dr("会员编号")
        ndr("品种") = cdr("品种")
        ndr("装箱总斤数")=dr("装箱斤数")
        Dim fdr As DataRow = DataTables("蔬菜喜好表").Find("会员编号 = '" & dr("会员编号") & "' and 产品 = '" & cdr("品种") & "'")
       
        If fdr IsNot Nothing Then
            ndr("喜好") = fdr("喜好")
            If fdr("喜好") = "吃" Then
                ndr("配比") = 1
            ElseIf fdr("喜好") = "爱吃" Then
                ndr("配比") = 2
            Else
                ndr("配比") = 0
            End If
            '没有找到记录     '
        Else
            n=n+1
            If n<=5 Then
                ndr("喜好")="吃"
                ndr("配比") = 1
            Else
                ndr("喜好")="不吃"
                ndr("配比") = 0
            End If
        End If
       
       
        idx += 1
    Next
Next
For Each dr As DataRow In DataTables("装配表").Select("日期 = #" & d & "#")
    dr("小计") = DataTables("装配表").compute("sum(配比)", "日期 = #" & dr("日期") & "# and 会员编号 = '" & dr("会员编号") & "'")
    dr("装箱参考")=dr("配比")
Next

SystemReady = True

Dim t As Table = Forms("装配窗体").Controls("Table1").Table
Dim b As New GroupTableBuilder("统计表1", DataTables("装配表"))
b.Groups.AddDef("品种") '根据产品分组
b.Totals.AddDef("配比", AggregateEnum.Sum, "总数量") '对数量进行统计
b.Filter = "日期 = #" & d & "#"
t.DataSource = b.BuildDataSource '生成统计表
t.DataTable.DataCols.Add("实际产量", Gettype(Integer))
For Each r As Row In t.Rows
    Dim fdr As DataRow = DataTables("蔬菜采收表").Find("日期 = #" & d & "# And 品种 = '" & r("品种") & "'")
    If fdr IsNot Nothing Then
        r("实际产量") = fdr("实际产量")
    End If
Next