Question

I have problems with RadPieChart. Always the radPieChart shows all series in the same color (Blue) and doesn’t apply the DefaultPalette. The xaml code is the following:

     <telerik:RadPieChart x:Name="chartTipoGasto" Palette="{Binding DefaultPalette}" Grid.Row="3">
                        <telerik:PieSeries ItemsSource="{Binding}" RadiusFactor="0.9">
                            <telerik:PieSeries.ValueBinding>
                                <telerik:PropertyNameDataPointBinding PropertyName="Importe"></telerik:PropertyNameDataPointBinding>
                            </telerik:PieSeries.ValueBinding>
                            <telerik:PieSeries.LabelDefinitions>
                                <telerik:ChartSeriesLabelDefinition Margin="-7">
                                    <telerik:ChartSeriesLabelDefinition.Binding>
                                        <telerik:PropertyNameDataPointBinding PropertyName="Concepto"></telerik:PropertyNameDataPointBinding>
                                    </telerik:ChartSeriesLabelDefinition.Binding>
                                </telerik:ChartSeriesLabelDefinition>
                            </telerik:PieSeries.LabelDefinitions>
                        </telerik:PieSeries>
                    </telerik:RadPieChart>

I don’t know why all series is displayed in blue and not in diferents colors like its show in demo projects that I download from Telerik website.

Thanks in advance!

Answer 1

Is there actually something you’re binding to with the Palette=”{Binding DefaultPalette}” you have declared?

You can apply your own Palette like this (You change the Gradients to Solid brushes or I think even Images if you wanted) and add as many as you want.

<chart:RadChart.PaletteBrushes>
                                <RadialGradientBrush>
                                    <GradientStop Color="#FF010DBE"
                                        Offset="0" />
                                    <GradientStop Color="#FF0659FD"
                                        Offset="0.5" />
                                    <GradientStop Color="#FF0117CA"
                                        Offset="1" />
                                </RadialGradientBrush>
                                <LinearGradientBrush EndPoint="0.5,1"
                                    StartPoint="0.5,0">
                                    <GradientStop Color="#FF029912"
                                        Offset="0" />
                                    <GradientStop Color="#FF14FD22"
                                        Offset="0.492" />
                                    <GradientStop Color="#FF03930C"
                                        Offset="1" />
                                </LinearGradientBrush>
                                <SolidColorBrush Color="#FFFCBA2A"/>
                                <RadialGradientBrush>
                                    <GradientStop Color="#FFDE9A05"
                                        Offset="0" />
                                    <GradientStop Color="#FFF7AB05"
                                        Offset="0.5" />
                                    <GradientStop Color="#FFDC8E03"
                                        Offset="1" />
                                </RadialGradientBrush>
</chart:RadChart.PaletteBrushes>