How to stop Ultracombo from throwing IndexOutOfRangeException

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UltraCombo

462

Michael Hafner posted over 16 years ago

In the load of a form I’ve setup the UltraCombo control:

With UltraCombo1

.DataSource = PolhBindingSource

.DisplayMember = "DateEffective"

.ValueMember = "PolhID"

.DataBindings.Add("Value", PolhBindingSource, "PolhID", False, DataSourceUpdateMode.Never)

End With

When I change PolhBindingSource.Datasource to another collection of objects, that action causes Infragistics to throw the following exception:

No symbols are loaded for any call stack frame. The source code cannot be displayed.

System.IndexOutOfRangeException was unhandled Message="Index was outside the bounds of the array." Source="Infragistics2.Shared.v7.3" StackTrace: at Infragistics.Shared.SparseArray.ValidateIndex(Int32 index) at Infragistics.Shared.SparseArray.GetItem(Int32 index, ICreateItemCallback createItemCallback) at Infragistics.Win.UltraWinGrid.ScrollCountManagerSparseArray.GetItem(Int32 index, Boolean create) at Infragistics.Win.UltraWinGrid.RowsCollection.get_Item(Int32 index) at Infragistics.Win.UltraWinGrid.UltraGridRow.get_Index()

…

I realize this may not be enough info to help solve my problem but I'm not sure how to proceed. Can you give me any tips on how to figure out what the problem is?

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Verified Answer
Offline Mike Saltzman posted over 16 years ago

Hi,
I'm pretty sure this is a known bug. It may already be fixed in the latest Hot Fix. If not, you should contact Infragistics Developer Support to get on the list for the private hot fix.
Submit a Support Issue
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David posted over 16 years ago in reply to Mike Saltzman

Where can I get that hotfix...I have the same bug.
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462

Verified Answer
Offline Michael Hafner posted over 16 years ago in reply to David

www.Infragistics.com
"View My"
Key & Downloads
"NetAdvantage" Tab
Click on NetAdvantage for .Net 2007 Vol. 3
and then the grey Hot Fixes square
NetAdvantage for Windows Forms 2007 Vol. 3 Hotfix...
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390

Offline Lyle Hardin posted over 16 years ago in reply to Michael Hafner

Thank you for the solution - I had the same problem and the hotfix resolved it. However, since getting the ultracombo functioning under this scenario, another issue has developed. If the UltraCombo1.DropDownStype = DropDownList and I update the DataSource, the UltraCombo1.Value gets set to nothing, even though it had a value before the update of the DataSource. However, If the UltraCombo1.DropDownStyle = DropDown, then there is no problem with UltraComb1.Value. Anyone else experienceing this?
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