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selecting a combobox column value with mouse triggers a mouse leave for radgridView.

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Ole asked on 04 Apr 2011, 02:55 PM

I have a rad gridview (x:Name="gridviewSignals") with a combobox column  and a mouse leave. On mouse leave I do a commitedit on the gridview. I do it like this so I am always aware of validation error in the gridview, before some other events happen that might put the gridview out of the UI.

However when trying to select a value from the combobox column dropdown list triggers the mouse leave on gridview, resulting in closing the dropdown list. So even through the combobox is part of the gridview selecting a value in the ddl with your mouse will trigger a mouse leave on grid.

Is this exspected behavier ? ,  Any idears for a work around.
<telerik:RadGridView x:Name="gridviewSignals" Margin="10,10,10,10" AutoGenerateColumns="False" ActionOnLostFocus="CommitEdit" RowDetailsVisibilityChanged="gridviewAuditSignalSpecial_RowDetailsVisibilityChanged" RowEditEnded="gridviewSignals_RowEditEnded" ShowInsertRow="True" AddingNewDataItem="gridviewSignals_AddingNewDataItem" RowValidating="gridview_RowValidating" CanUserDeleteRows="False" BeginningEdit="gridviewSignals_BeginningEdit" MouseLeave="gridviewSignals_MouseLeave">
                                        <telerik:RadContextMenu >
                                                <telerik:RadMenuItem Header="Change type" Click="ChangeType" Visibility="{Binding ElementName=gridviewAuditDevice, Path=SelectedItem, Converter={ StaticResource menuVisibleconverter},ConverterParameter=SignalListR_DevicesPrivat}"/>
                                        <telerik:GridViewToggleRowDetailsColumn x:Name="rowDetailsSignal" IsReadOnly="True"></telerik:GridViewToggleRowDetailsColumn>
                                        <telerik:GridViewDataColumn DataMemberBinding="{Binding Path=KKS3}"/>
                                        <telerik:GridViewDataColumn DataMemberBinding="{Binding Path=KKS3_Desc}"/>
                                        <telerik:GridViewCheckBoxColumn DataMemberBinding="{Binding Path=Deleted}" IsThreeState="False"/>
                                        <telerik:GridViewComboBoxColumn x:Name="Type"  IsReadOnly="True" DataMemberBinding="{Binding Path=Type}" PropertyChanged="Type_PropertyChanged"></telerik:GridViewComboBoxColumn>
                                        <telerik:GridViewComboBoxColumn x:Name="Diode"   DataMemberBinding="{Binding Path=Diode}"></telerik:GridViewComboBoxColumn>                                       
                                        <telerik:GridViewCheckBoxColumn DataMemberBinding="{Binding Path=NotInABB}" IsThreeState="False"></telerik:GridViewCheckBoxColumn>
                                        <telerik:GridViewCheckBoxColumn DataMemberBinding="{Binding Path=NotinTB}" IsThreeState="False"/>                                                                        
                                        <!--<telerik:GridViewDataColumn DataMemberBinding="{Binding Path=Rev}"/>-->
                                            <telerik:RadTabControl Margin="10,10,10,10">
                                                <telerik:RadTabItem Header="Signals" Margin="10,0,0,0" Background="AntiqueWhite">
                                                    <telerik:RadGridView x:Name="gridViewSignalsSpecial" Margin="10" RowEditEnded="gridViewSignalsSpecial_RowEditEnded" RowValidating="gridview_RowValidating" DataLoaded="gridViewSignalsSpecial_DataLoaded" BeginningEdit="gridViewSignalsSpecial_BeginningEdit" MouseLeave="gridViewSignalsSpecial_MouseLeave" CanUserDeleteRows="False">

private void gridviewSignals_MouseLeave(object sender, MouseEventArgs e)

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answered on 07 Apr 2011, 09:39 AM
Hi Ole,

Generally, this would be the expected behavior since the mouse goes to another element - a RadComboBox. If you want to get all the validation errors immediately, you may handle the CellValidating or CellValidated events.  

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