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how do i get the data out of a multi field arraylist

Posted on 2008-10-04
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Last Modified: 2008-10-06
first i read the data from database to the arraylist named arrspclist,
then i set the combobox's data source to arrspclist.
with displaymember to "SpecialID" and ValueMember = "SpecialName"
now, everytime when there is a change on selection of combobox item, it will display the new info (Sp1Amount, Sp1Price,SP2Amount,SP2Price) to the other textboxes according  to the selection
but i have no idea how to do this getting the info out of a specific arraylist item.
hope i am explaining clearly
thank you
Public Class PdtSpecial 'arraylist's structure

    Private mySpecialID As String

    Private mySpecialName As String

    Private mySpecial1Amount As String

    Private mySpecial1Price As String

    Private mySpecial2Amount As String

    Private mySpecial2Price As String

 

    Public Sub New(ByVal strID As String, ByVal strName As String, ByVal strSP1Amt As String, ByVal strSP1Prc As String, ByVal strSP2Amt As String, ByVal strSP2Prc As String)

        Me.mySpecialID = strID

        Me.mySpecialName = strName

        Me.mySpecial1Amount = strSP1Amt

        Me.mySpecial1Price = strSP1Prc

        Me.mySpecial2Amount = strSP2Amt

        Me.mySpecial2Price = strSP2Prc

    End Sub 'New

 

    Public ReadOnly Property SpecialID() As String

        Get

            Return mySpecialID

        End Get

    End Property

 

    Public ReadOnly Property SpecialName() As String

        Get

            Return mySpecialName

        End Get

    End Property

 

    Public ReadOnly Property Special1Amount() As String

        Get

            Return mySpecial1Amount

        End Get

    End Property

    Public ReadOnly Property Special1Price() As String

        Get

            Return mySpecial1Price

        End Get

    End Property

    Public ReadOnly Property Special2Amount() As String

        Get

            Return mySpecial2Amount

        End Get

    End Property

    Public ReadOnly Property Special2Price() As String

        Get

            Return mySpecial2Price

        End Get

    End Property

End Class '

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Question by:CLWU
1 Comment
 
LVL 96

Accepted Solution

by:
Bob Learned earned 50 total points
ID: 22649843
No, I don't quite understand what you mean by "getting the info out of a specific arraylist item".  Do you know anything about generics--List(Of dtSpecial)?  

Do you mean something like this?

Dim list As New List(Of dtSpecial)
Me.ComboBox1.DataSource = list
Me.ComboBox1.DisplayMember = "SpecialName"
Me.ComboBox1.ValueMember = "SpecialID"

...

Dim special As DtSpecial = list(Me.ComboBox1.SelectedIndex)
Dim specialName As String = special.SpecialName
Dim specialID As Integer = special.SpecialID
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