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  • System.NullReferenceException when binding an UltraCombo against data from a Generic.Dictionary collection.

    Hi hope someone can help,

     I'm trying to bind an UltraCombo against data from a Generic.Dictionary collection object using the following code in the load event of a composite user control:

     Dim BookingOrderItems As New System.Collections.Generic.Dictionary…
  • Internal Error: "Can't convert to DestinitionValue" in UltraComboBox

    Hi,

    I am using Infragistics Winform Controls 2008 Volume 1 and facing the problem in UltraComboBox. The error string is: 

    Internal Error: "Can't convert to DestinitionValue in UltraComboBox".

    Although I have lots of combo boc on my screen…

  • Custom combo databinding two values

    I'm creating a custom control inherited from the UltraCombo for a standard lookuplist of foreign relationships that I can use in my entire program.  However, I'm having a databinding issue, which maybe a simple fix because I'm new at using databinding…

  • UltraComboGrid Fails to Update BindingSource.Position When DataSource Members are EF Entities

    When the UltraCombo.DataSource is set to a Forms.BindingSource, and the members of the BindingSource.DataSource are Entity Framework Entities, UltraCombo row selections by the user do not change the BindingSource.Position, BindingSource.Current or BindingSource…

  • UltraCombo can't bind to enum

     

    This seems to be a trivial thing to do: 

    this

    .ultraCombo1.DataSource = Enum.GetValues( typeof( PhoneType ) );

    It work fine with standard combo...

  • Am trying to dataBind Combo to entities as per msdn forum suggestion

    Am trying to bind data to an WinGrid.UltraCombo following the example illustrated in the [March 20, 2009 12:02:39 PM] posting (currently 2nd to last) on this thread:  http://social.msdn.microsoft.com/forums/en-US/linqprojectgeneral/thread/744b2c6a-ecb8…

  • Ultra combo filtering <edit>

    I have two UltraCombos which are not in a grid. The selection of the first ultra combo should filter the choices available in the second (similar to the function of the cascading drop down in ASP.NET). What UltraCombo events should I use to make this work…

  • Complex Business Object as datasource in UltraCombo, how to retrieve the nested list<> ?

    I enclose a sample.

    My question should be pretty simple to datasource master but I'm quite a newbie in datasource world :)

     

    I've a business object A that is composed of List<B> and List<C>  nested objects and an Id property. When binded…

  • Error during Databinding

    I have an object: customer with various properties that tie to data that I have displaying in multiple combo boxes.  I would like to bind multiple properties of the customer object to various comboboxes, however, I receive the following error:

    This causes…

  • ultraCombo's dataTable does not update RowState when bindings' values change

    i have an ultraCombo that gets the data from a dataTable

    adapter.Fill(_table);

    ultraCombo1.DataSource = _table;

    i have several controls bound to ultraCombo using databinding

    ultraTextEditor1.DataBindings.Add("Text", ultraCombo1.DataSource, "Description"…

  • Blanking out a databound wincombo

    I have a wincombo that I have bound to a selection list. I'm binding to the integer lookup value and the displaymember is the text description.  I need the users to wipe out the selection and not get locked into that field. I've tried nullable true…

  • WinGrid's DropDown cell loose text on mouseclick

    I have one wingrid bound to a BindingSource. The data are correctly shown in the grid at runtime.

    One of the columns of the grid is a varchar key that need to be decoded in a lookup table. So, I have a second BindingSource containing a couple key+description…