ArrayList and Object Retrieval

I am using the following code to load an ArrayList with an object.

HTML Code:

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Do While Not EOF(jjFileNumber)
                Dim omdObj As New OMD
                Dim omdText As String = LineInput(jjFileNumber)
                Dim omdValue() As String = Split(omdText, ",")
                Dim value As String = String.Empty
                'Serial number is in b (index 1)
                value = omdValue(1)
                omdObj.SerialNumber = value
                'EQ ID is in column C or index 2
                omdObj.EquipID = omdValue(2)
                'Maint Type is in Column D or index 3
                omdObj.MaintType = omdValue(3)
                'System Model is in Column E or index 4
                omdObj.sysModel = omdValue(4)
                'System Serial is in Column F or index 5
                omdObj.sysSerial = omdValue(5)
                'Customer ShipTo is in column I or index 8
                omdObj.custShipToAcct = omdValue(8)
                'customer name is in column J or index 9
                omdObj.CustomerName = omdValue(9)
                OMDlist.Add(omdObj)
            Loop
            FileClose(jjFileNumber)
        End If

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It works great~! However,

I don't know how to retrieve the object from the ArrayList using the Item property.

I am using the following withOUT Success. The code is searching the arraylist for a match on serial number. Values(2) is correct and is working fine - the problem is purely getting the object information from the arraylist.

Code:

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    For ctr = 0 To OMDlist.Count - 1
          If Values(2) = OMDList.Item(ctr) Then
              ps.AssetNbr = OMDlist.Item(ctr)
          End If
    Next

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the object has the following property structure:

Code:

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Public Class OMD
    Private strSN As String
    Private strEQID As String
    Private strCustName As String
    Private strCustAcct As String
    Private strSysMod As String
    Private strSysSerial As String
    Private strMaintType As String

    Property SerialNumber() As String
        Get
            Return strSN
        End Get
        Set(ByVal Value As String)
            strSN = Value
        End Set
    End Property
    Property EquipID() As String
        Get
            Return strEQID
        End Get
        Set(ByVal Value As String)
            strEQID = Value
        End Set
    End Property
    Property CustomerName() As String
        Get
            Return strCustName
        End Get
        Set(ByVal Value As String)
            strCustName = Value
        End Set
    End Property
    Property custShipToAcct() As String
        Get
            Return strCustAcct
        End Get
        Set(ByVal Value As String)
            strCustAcct = Value
        End Set
    End Property
    Property MaintType() As String
        Get
            Return strMaintType
        End Get
        Set(ByVal Value As String)
            strMaintType = Value
        End Set
    End Property
    Property sysModel() As String
        Get
            Return strSysMod
        End Get
        Set(ByVal Value As String)
            strSysMod = Value
        End Set
    End Property
    Property sysSerial() As String
        Get
            Return strSysSerial
        End Get
        Set(ByVal Value As String)
            strSysSerial = Value
        End Set
    End Property
End Class

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How do I pull the propertys back from the object in the arraylist to compare the values with Values(2)?


Thank you in advance for any help you can provide. It is greatly appreciate.

You'll need a DirectCast TryCast or CType function.

But!
If you use Generic collection (see Generic Types) instead of old (and obsolete) ArrayList, you won't need to convert the types at all.

Code:

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Dim OMDList As New List(Of OMD)

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Also, you could read more about searilization of classes and using XML.

A little more to the point (but the suggestion that you use List(Of T) is a good idea...)
The reason is because OMDlist.Item(ctr) IS your OBJECT... NOT your property...]
You need to compare your value against the value of the PROPERTY you want to look at:

Code:

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If Values(2) = OMDlist.Item(ctr).SerialNumber then

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-tg