MoveNext方法上的ADO记录集数据类型不匹配

Question

经过广泛的Google搜索，我似乎无法解决这个问题。 一周以来，用VBA编写的我的一个函数给出了“运行时错误'-2147467259（80004005）'：条件表达式中的数据类型不匹配”。

发生错误的行是“ rstBom.MoveNext”。 我似乎缺乏了解（我不是受过教育的VBA程序员）的知识，无法理解记录集中的跳过如何导致数据类型不匹配...

Public Function Packing_PL_BOM()

Dim rst As New ADODB.Recordset
Dim rstIN As New ADODB.Recordset
Dim rstBom As New ADODB.Recordset
Dim rstSC As New ADODB.Recordset

CurrentProject.Connection.Execute "delete from tblPacking_private_label_base"

rst.Open "qryPacking_Private_label_stock", CurrentProject.Connection, adOpenDynamic, adLockReadOnly
rstIN.Open "tblPacking_private_label_base", CurrentProject.Connection, adOpenDynamic, adLockOptimistic

If Not rst.EOF Then
    Do Until rst.EOF
        rstBom.Open "select * from ZBOM_XLS where val(Component) = " & rst.Fields("matnr").Value, CurrentProject.Connection, adOpenDynamic, adLockReadOnly
         If Not rstBom.EOF Then
            Do Until rstBom.EOF
                rstIN.AddNew
                rstIN.Fields("matnr").Value = rst.Fields("matnr").Value
                rstIN.Fields("material_description").Value = rst.Fields("material_description").Value
                rstIN.Fields("Value").Value = rst.Fields("Value").Value
                rstIN.Fields("description").Value = rst.Fields("description").Value
                rstIN.Fields("uom").Value = rst.Fields("uom").Value
                rstIN.Fields("Stock_pack_PC").Value = rst.Fields("SumOfUnrestricted").Value
                rstIN.Fields("Packed_matnr").Value = rstBom.Fields("Material").Value
                rstIN.Fields("Packed_description").Value = rstBom.Fields("Material Description").Value

                Select Case rstBom.Fields("Alternative BOM").Value
                    Case "1"
                        rstSC.Open "select * from qryMaterial_Class_SC_Values where matn = " & rstBom.Fields("material").Value & " and [Supply Chain] = 'PRODUCTION'", CurrentProject.Connection, adOpenDynamic, adLockReadOnly
                        If Not rstSC.EOF Then
                            rstIN.Fields("BOM_found").Value = "X"

                        Else
                            rstIN.Fields("BOM_found").Value = "DEL"

                        End If
                        rstSC.Close

                    Case "4"
                        rstSC.Open "select * from qryMaterial_Class_SC_Values where matn = " & rstBom.Fields("material").Value & " and [Supply Chain] = 'PINGUIN'", CurrentProject.Connection, adOpenDynamic, adLockReadOnly
                        If Not rstSC.EOF Then
                            rstIN.Fields("BOM_found").Value = "X"
                        Else
                            rstIN.Fields("BOM_found").Value = "DEL"

                        End If
                        rstSC.Close

                    Case "5"
                        rstSC.Open "select * from qryMaterial_Class_SC_Values where matn = " & rstBom.Fields("material").Value & " and [Supply Chain] = 'SIVAFROST'", CurrentProject.Connection, adOpenDynamic, adLockReadOnly
                        If Not rstSC.EOF Then
                            rstIN.Fields("BOM_found").Value = "X"

                        Else
                            rstIN.Fields("BOM_found").Value = "DEL"

                        End If
                        rstSC.Close

                    Case "6"
                         rstSC.Open "select * from qryMaterial_Class_SC_Values where matn = " & rstBom.Fields("material").Value & " and [Supply Chain] = 'DIRAMAR'", CurrentProject.Connection, adOpenDynamic, adLockReadOnly
                         If Not rstSC.EOF Then
                            rstIN.Fields("BOM_found").Value = "X"

                         Else
                            rstIN.Fields("BOM_found").Value = "DEL"

                         End If
                         rstSC.Close

                     Case "7"
                        'rstIN.Fields("BOM_found").Value = "COPACK"
                        rstSC.Open "select * from qryMaterial_Class_SC_Values where matn = " & rstBom.Fields("material").Value & " and [Supply Chain] = 'COPACK'", CurrentProject.Connection, adOpenDynamic, adLockReadOnly
                        If Not rstSC.EOF Then
                            rstIN.Fields("BOM_found").Value = "X"
                        Else
                            rstIN.Fields("BOM_found").Value = "DEL"


                        End If
                        rstSC.Close

                    Case "8"
                        'rstIN.Fields("BOM_found").Value = "YUBE"
                        rstSC.Open "select * from qryMaterial_Class_SC_Values where matn = " & rstBom.Fields("material").Value & " and [Supply Chain] = 'YUBE'", CurrentProject.Connection, adOpenDynamic, adLockReadOnly
                        If Not rstSC.EOF Then
                            rstIN.Fields("BOM_found").Value = "X"
                        Else
                            rstIN.Fields("BOM_found").Value = "DEL"


                        End If
                        rstSC.Close

                    Case "9"
                        'rstIN.Fields("BOM_found").Value = "POLAND"
                        rstSC.Open "select * from qryMaterial_Class_SC_Values where matn = " & rstBom.Fields("material").Value & " and [Supply Chain] = 'POLAND'", CurrentProject.Connection, adOpenDynamic, adLockReadOnly
                        If Not rstSC.EOF Then
                            rstIN.Fields("BOM_found").Value = "X"
                        Else
                            rstIN.Fields("BOM_found").Value = "DEL"


                        End If
                        rstSC.Close

                    Case Else
                        rstIN.Fields("BOM_found").Value = "DEL"

                End Select


                rstIN.Update

                rstBom.MoveNext

            Loop

        End If 
        rstBom.Close
    rst.MoveNext
    Loop
End If

CurrentProject.Connection.Execute "delete from tblPacking_private_label_base where BOM_Found = 'DEL'"
End function

奇怪的是，它两次给出错误，我单击“调试”，第三次它运行得很好。

任何帮助将不胜感激！

Answer 1

我改写了val（component）= ...，它成功了。 非常感谢您的帮助！