老师，我以下代码写在控件中的，我遇到一个问题，就是在做月结时如图那样为0的不显示也不保存到月结数据这个表中，但是有个问题，如果不显示也不保存就会影响我下次月结时没有显示的无法月结，请帮忙看看，谢谢

此主题相关图片如下：1.jpg

Dim dt As DataTable = DataTables("出入库明细")

Dim str As String = e.Form.Controls("月").Text

Dim kw As String = e.Form.Controls("库位1").Text

Dim d As Date = new Date(str.SubString(0, 4), str.SubString(4,2), 1)

Dim ls As new List(Of String)

For Each dr As DataRow In dt.sqlSelect("月 = \'" & str & "\' and 库位 = \'" & kw & "\'")

    Dim s = dr("成品编码") & "|" & dr("库位") & "|" & dr("生产型号")

    If ls.Contains(s) = False Then

        ls.add(s)

    End If

Next

For Each dr As DataRow In DataTables("期初数据").sqlSelect("月 = \'" & Format(d.AddMonths(-1), "yyyyMM") & "\' and 库位 = \'" & kw & "\'")

    Dim s = dr("成品编码") & "|" & dr("库位") & "|" & dr("生产型号")

    If ls.Contains(s) = False Then

        ls.add(s)

    End If

Next

For Each cl As String In ls

    Dim cl1 = cl.split("|")(0)

    Dim cl2 = cl.split("|")(1)

    Dim cl3 = cl.split("|")(2)

    Dim dr As DataRow = DataTables("成品月结_月结").AddNew

    dr("月") = str

    dr("成品编码") = cl1

    dr("库位") = cl2

    dr("生产型号") = cl3

    Dim Filter As String = "成品编码 = \'" & cl1 & "\' And 月 = \'" & str & "\' and 库位 = \'" & cl2 & "\'and 生产型号= \'" & cl3 & "\'"

    Dim dr1 As DataRow = DataTables("期初数据").SQLFind("成品编码=\'" & cl1 & "\' and 月 = \'" & Format(d.AddMonths(-1), "yyyyMM") & "\' and 库位 = \'" & cl2 & "\'and 生产型号 = \'" & cl3 & "\'")

    If dr1 IsNot Nothing Then

        dr("上月结存_A类") = dr1("期初数量_A类")

        dr("上月结存_B类") = dr1("期初数量_B类")

    End If

    dr("本月入库_A类") = dt.SQLCompute("Sum(入库数量)",Filter & " And 月 = \'" & dr("月") & "\'And 入库类型 = \'A类\' And 单据类型 = \'入库\'")

    dr("本月入库_B类") = dt.SQLCompute("Sum(入库数量)",Filter & " And 月 = \'" & dr("月") & "\'And 入库类型 = \'B类\' And 单据类型 = \'入库\'")

    dr("本月出库_A类") = dt.SQLCompute("Sum(出库数量)",Filter & " And 月 = \'" & dr("月") & "\'And 出库类型 = \'A类\' And 单据类型 = \'出库\'")

    dr("本月出库_B类") = dt.SQLCompute("Sum(出库数量)",Filter & " And 月 = \'" & dr("月") & "\'And 出库类型 = \'B类\' And 单据类型 = \'出库\'")

    dr("本月结存_A类") = dr("上月结存_A类") + dr("本月入库_A类") - dr("本月出库_A类")

    dr("本月结存_B类") = dr("上月结存_B类") + dr("本月入库_B类") - dr("本月出库_B类")

Next