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Using values in combox in windows application

Posted on 2006-05-05
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Last Modified: 2010-04-23
I'm writing a windows application in VB.NET.  I'm using a combobox to display text, but I want to store a numeric value with each line.  When an item is selected, I want to be able to retrieve the numeric value.  I know how to do this in a web application but it appears to be totally different in windows apps.  This was fairly easy to do in VB6 but I can't figure out how to do it in VB.NET.  Would appreciate any help.
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Question by:stephenkobrien
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Expert Comment

by:Éric Moreau
ID: 16616560
Hi stephenkobrien,

Is your combobox bound to a source?

You normally bind the DisplayMember (value that the user will see) and the ValueMember (your value accessible using SelectedValue).

Cheers!
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by:ZeonFlash
ID: 16616755
       Dim dsDataset As New DataSet
        Dim drNewRow As DataRow

        dsDataset.Tables.Add()
        dsDataset.Tables(0).Columns.Add("TheDisplayText")
        dsDataset.Tables(0).Columns.Add("TheValue")
        drNewRow = dsDataset.Tables(0).NewRow

        drNewRow.Item("TheDisplayText") = "Item #1"
        drNewRow.Item("TheValue") = 1
        dsDataset.Tables(0).Rows.Add(drNewRow)

        cboComboBox.DisplayMember = "TheDisplayText"
        cboComboBox.ValueMember = "TheValue"
        cboComboBox.DataSource = dsDataset.Tables(0)
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Author Comment

by:stephenkobrien
ID: 16617190
Actually, I found the answer at msdn.  You need to create a class that exposes public properties that are assigned to the DisplayMember and ValueMember properties of the control.  See the link: http://msdn2.microsoft.com/en-us/library/system.windows.forms.listcontrol.valuemember.aspx
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