I'm using version 2012.3.1129.40 of the Telerik controls for WPF. I have a RadGridView control in one window which uses the CountAggregateFunction:
When I was running VS2010, this compiled fine. However, after upgrading to VS 2012, I get the following error for both of the Aggregate Functions:
The thing is the compiled code runs fine. It's just an error that shows up in the design pane and doesn't stop the compile code from running.
How do I fix this problem?
<telerik:RadGridView AutoExpandGroups="False" AutoGenerateColumns="False" CanUserDeleteRows="False" CanUserFreezeColumns="False" CanUserInsertRows="False" CanUserResizeColumns="True" CanUserSortColumns="True" DataLoadMode="Synchronous" EnableColumnVirtualization="True" EnableRowVirtualization="True" FontSize="16" FontWeight="Bold" Grid.Column="0" Grid.Row="0" IsReadOnly="True" ItemsSource="{Binding Path=HotLists, RelativeSource={RelativeSource AncestorType={x:Type cs:HotListManager}}}" Name="HotListGrid" RowIndicatorVisibility="Collapsed" ScrollViewer.CanContentScroll="True" ScrollViewer.HorizontalScrollBarVisibility="Auto" ScrollViewer.VerticalScrollBarVisibility="Auto" SelectionChanged="HotListGrid_SelectionChanged" SelectionUnit="FullRow" ShowColumnFooters="True" ShowGroupPanel="False" ToolTip="Hot Lists"> <telerik:RadGridView.Columns> <telerik:GridViewDataColumn DataMemberBinding="{Binding Name , Mode=OneWay}" Header="Hot List" Width="*"> <telerik:GridViewDataColumn.AggregateFunctions> <telerik:CountFunction Caption="Count: " ResultFormatString="{}{0:n0}" /> </telerik:GridViewDataColumn.AggregateFunctions> </telerik:GridViewDataColumn> <telerik:GridViewDataColumn DataMemberBinding="{Binding ListType , Mode=OneWay}" Header="List Type" Width="Auto" /> <telerik:GridViewDataColumn DataMemberBinding="{Binding LastUpdate, Mode=OneWay, Converter={StaticResource DateConverter}}" Header="Last Update" MinWidth="160" Width="Auto" /> <telerik:GridViewImageColumn DataMemberBinding="{Binding Status , Mode=OneWay, Converter={StaticResource DeviceStatuses}}" Header="Status" ImageStretch="None" Width="95" /> <telerik:GridViewDataColumn Header="Entries" TextAlignment="Right" MinWidth="125" Width="Auto"> <telerik:GridViewDataColumn.DataMemberBinding> <Binding Path="EntryCount" Mode="OneWay" Converter="{StaticResource LongConverter}" ConverterParameter="#,##0" /> </telerik:GridViewDataColumn.DataMemberBinding> <telerik:GridViewDataColumn.AggregateFunctions> <telerik:SumFunction ResultFormatString="{}{0:n0}" /> </telerik:GridViewDataColumn.AggregateFunctions> </telerik:GridViewDataColumn> </telerik:RadGridView.Columns></telerik:RadGridView>When I was running VS2010, this compiled fine. However, after upgrading to VS 2012, I get the following error for both of the Aggregate Functions:
The specified value cannot be assigned to the collection. The following type was expected: "AggregateFunction".The thing is the compiled code runs fine. It's just an error that shows up in the design pane and doesn't stop the compile code from running.
How do I fix this problem?
