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how to store the ids and the names in the combo box and build an a

P: n/a
how to store the names and their id's in the combo box and build an array
from those selected. Please note in my GUI, I have a combobox that would have
names. I need to pass in the

I want to query positions table, the function for that in
proxy class is mentioned below, where AssetList is an XML node containing a
list of one or more Assets.Assset is an XML node with the attribute of it's
unique id number.AssetID is the unique identification number of the asset.

This is the function
Public Function ExportPositions(ByVal SessionID As String, ByVal
StartDateTime As Date, ByVal EndDateTime As Date,
<System.Xml.Serialization.XmlArrayItemAttribute("A ssetID",
IsNullable:=false)> ByVal AssetList() As Long) As Position()
Dim results() As Object = Me.Invoke("ExportPositions", New Object()
{SessionID, StartDateTime, EndDateTime, AssetList})

Return CType(results(0),Position())

End Function
I do this:

doc.LoadXml(EDP.ExportPositions(cmbSelectdata.Sele ctedItem,
cmbStartDateandTime.Text, cmbEndDateandTime.Text,

But, I get the error: System.Invalid cast exception converting System.String
to System.Int64[] for cmbAsset

Mar 1 '06 #1
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