Re: [U2] UniObjects.NET: populating ListBox from XML

Wed, 14 May 2008 13:30:54 -0700 

I deleted the line

     ListBox1.DataSource = DS

I got the error "Cannot bind to the new value member" thrown on the line

     .ValueMember = "CUSTOMER"

I deleted that line, and now things work as expected.
Thank you very much for the help, David. Now I need to hit the books about data bindings and figure out what I just did <grin>.
If anyone has the title of a favorite "must have" VB.NET book, I'd like hearing about it. If folks want to chime in with recommendations, I'll compile a list and submit it as a item in the U2UG knowledge-base. 


Regards,

Clif




On May 13, 2008, at 10:58 PM, Hona, David S wrote:
Oh, delete the line with 'ListBox1.DataSource = DS' in it, I forgot to! 




-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Hona, David S
Sent: Wednesday, May 14, 2008 2:32 PM
To: u2-users@listserver.u2ug.org
Subject: RE: [U2] UniObjects.NET: populating ListBox from XML

Clif,

Try something like this...

         Cmd = uvSession.CreateUniXML
         Cmd.GenerateXML("SORT CUSTOMER COMPANY ID.SUP")
         DS = Cmd.GetDataSet
         ListBox1.DataSource = DS

            With ListBox1
                .DataSource = DS.Tables(0)
                .DisplayMember = "COMPANY"
                .ValueMember = "CUSTOMER"
            End With

Regards,
David

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Clifton Oliver 
Sent: Wednesday, May 14, 2008 9:05 AM
To: u2-users@listserver.u2ug.org
Subject: [U2] UniObjects.NET: populating ListBox from XML

Having been successful last week at populating a GridDataView control
using .GenerateXML, we naively thought using XML to populate a ListBox
would be just as straightforward. Using the same code pattern, we've
tried

         Cmd = uvSession.CreateUniXML
         Cmd.GenerateXML("SORT CUSTOMER COMPANY ID.SUP")
         DS = Cmd.GetDataSet
         ListBox1.DataSource = DS
         ListBox1.DisplayMember = "CUSTOMER"
         ListBox1.Refresh()

gives us one line in the ListBox that reads

      System.Data.DataViewManagerListItemTypeDescriptor

Are we missing something from this incantation, or is this not a valid
way to try to populate a ListBox? (Yeah, I guess ComboBoxes are
next.)

Thanks in advance for any help, examples, or RTM references!


Regards,

Clif
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