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HomeHomeUsing DNN Platf...Using DNN Platf...Upgrading DNN P...Upgrading DNN P...Cannot have multi items selected in 05.01.01 (98)Cannot have multi items selected in 05.01.01 (98)
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12/24/2009 7:38 AM
 
Steven Thomas

none
Joined: 6/2/2006
Posts: 40

I have a site I have been working on upgrading from 2.x to 5.01.01.  Everything was working well until i ported over a page that has a lot of dropdown fields on it.  Then when the page loads and i try to select an item from the drop down I get an error.  

I try to select the item like this:                               

                                Me.cboMenu5a.ClearSelection()
                                Me.cboMenu5a.SelectedItem.Selected = False
                                Me.cboMenu5a.Items.FindByText(dtMenus.Rows(x).Item("rnitem5").ToString.Trim).Selected = True

When i step through the code it goes past that code fine, and only one item in the list is selected.  Then i let the page finish loading and I get an error.                              

"Cannot have multiple items selected in a DropDownList."Any ideas?Thanks
 
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12/24/2009 8:17 AM
 
Steven Thomas

none
Joined: 6/2/2006
Posts: 40

Just as soon as you post a questions you find the answer. 

 

Welcome to the thread!

If you don't appear to be setting multiple items to Selected = True, then you may have another problem.  Recently I came across people who would create new ListItem objects and try to add them to multiple list controls, or add them multiple times without instantiating a new ListItem each time.  This can lead to multiple selected items, and trigger the error mentioned here.
 

Peter Brunone
MS MVP, ASP.NET
Founder, EasyListBox.com
Do the impossible, and go home early.
 
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