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How to set custom tooltip for OlapGrid

1 min read

We can customize the tooltip text using the GridStyleInfo object which can be obtained from QueryCellInfo event. We have created a custom template with a custom converter named “MyValueCellToolTipConvertor” to set the desired text.


<ResourceDictionary >
            <localVM:MyValueCellToolTipConvertor x:Key="valueConverter"/>
        <DataTemplate x:Key="ValueTemplateTooltip">
            <Border BorderThickness="1" BorderBrush="Black" Background="Gold" CornerRadius="2">
                <StackPanel Margin="5" Orientation="Horizontal" VerticalAlignment="Center">
                    <TextBlock Text="{Binding Converter={StaticResource valueConverter}, ConverterParameter='MyMeasure'}" VerticalAlignment="Center"/>



  public class MyValueCellToolTipConvertor : IValueConverter
        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
            GridStyleInfo style = value as GridStyleInfo;
            if (style != null)
                OlapGridCellStyleInfoIdentity olapCellStyle = style.Tag as OlapGridCellStyleInfoIdentity;
                if (olapCellStyle != null && olapCellStyle.CellDescriptor != null && parameter != null)
                    PivotValueCellData pivotValueCellData = (style.CellIdentity.Data.Host as OlapGridModel).Engine.GetCellDataValue(olapCellStyle.RowIndex, olapCellStyle.ColumnIndex);
                    switch (parameter.ToString())
                        case "MyMeasure":
                                Cell cel = olapCellStyle.CellDescriptor.Tag as Cell;
                                return cel.FormattedValue;
            return null;
        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
            throw new NotImplementedException();


Figure: OlapGrid in OlapClient with Custom Tooltip


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