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scroll causing empty cell

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GridView

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Jerry asked on 02 Apr 2012, 06:50 AM

picture1.PNG

picture2.PNG

Hi there,

I'm having a really strange problem. I have a data grid, which I used to display a set of charts.

As you can you in picture1, everything shows as expected. But in picture 2, whenever I have more data and need to scroll, the chart for bottom row just won't show up. I have checked the data, it is not an issue.

xmal

<controls:RadGridView x:Name="MyRadGridView" ItemsSource="{Binding MeasureResults}" Grid.Row="1"

CanUserDeleteRows="False"

SelectionMode="Single"

CanUserFreezeColumns="True"

CanUserReorderColumns="True"

CanUserResizeColumns="False"

RowIndicatorVisibility="Collapsed"

IsFilteringAllowed="True"

GridLinesVisibility="Vertical"

ShowGroupPanel="False"

CanUserSortColumns="True"

IsReadOnly="False"

DataLoadMode="Synchronous"

AutoGenerateColumns="False"

CanUserInsertRows="True"

CurrentCellChanged="MyRadGridView_CurrentCellChanged"

BeginningEdit="MyRadGridView_BeginningEdit"

CellEditEnded="MyRadGridView_CellEditEnded"

ShowInsertRow="False"

AlternateRowBackground="#ECEAE6"

AlternationCount="2"

RowLoaded="MyRadGridView_RowLoaded">

<controls:RadGridView.Columns>

<telerik:GridViewDataColumn Header="No." DataMemberBinding="{Binding DisplayOrder}" IsSortable="False" TextWrapping="Wrap" IsReadOnly="True" />

<telerik:GridViewDataColumn Header="Measure" DataMemberBinding="{Binding Name}" IsSortable="False" Width="500" TextWrapping="Wrap" IsReadOnly="True" CellStyleSelector="{StaticResource HeadingCellStyleSelector}" />

<telerik:GridViewDataColumn Header="" IsSortable="False" IsReadOnly="True" UniqueName="Trend" CellStyleSelector="{StaticResource ChartCellStyleSelector}">

<telerik:GridViewDataColumn.CellTemplate>

<DataTemplate>

<Grid LostFocus="RadChart_LostFocus" Loaded="ColumnGrid_Loaded">

<chart:RadChart ItemsSource="{Binding MeasureResultMonthAverageData}" Width="150" Height="75"

MouseLeftButtonDown="RadChart_MouseLeftButtonDown" Loaded="TrendChart_Loaded">

<chart:RadChart.SeriesMappings>

<charting:SeriesMapping>

<charting:SeriesMapping.SeriesDefinition>

<charting:SplineSeriesDefinition ShowItemLabels="False" ShowPointMarks="False" EmptyPointBehavior="Drop">

<charting:SplineSeriesDefinition.Appearance>

<charting:SeriesAppearanceSettings Stroke="#444444" StrokeThickness="1" />

</charting:SplineSeriesDefinition.Appearance>

</charting:SplineSeriesDefinition>

</charting:SeriesMapping.SeriesDefinition>

<charting:SeriesMapping.ItemMappings>

<charting:ItemMapping FieldName="AnswerYearMonth" DataPointMember="XCategory"/>

<charting:ItemMapping FieldName="Average" DataPointMember="YValue"/>

</charting:SeriesMapping.ItemMappings>

</charting:SeriesMapping>

</chart:RadChart.SeriesMappings>

<chart:RadChart.DefaultView>

<charting:ChartDefaultView>

<charting:ChartDefaultView.ChartArea>

<charting:ChartArea EnableAnimations="False" Style="{StaticResource ChartStyleSelector}">

<charting:ChartArea.AxisX>

<charting:AxisX DefaultLabelFormat="0#VAL{m:ss}" Visibility="Collapsed" />

</charting:ChartArea.AxisX>

<charting:ChartArea.AxisY >

<charting:AxisY MajorGridLinesVisibility="Visible"

MinorTicksVisibility="Visible"

Visibility="Collapsed"

Title="Score"

AutoRange="False"

MinValue="0"

MaxValue="1"

Step="0.1"

DefaultLabelFormat="#VAL{P0}">

<charting:AxisY.AxisStyles>

<charting:AxisStyles GridLineStyle="{StaticResource CustomGridLine}" />

</charting:AxisY.AxisStyles>

</charting:AxisY>

</charting:ChartArea.AxisY>

</charting:ChartArea>

</charting:ChartDefaultView.ChartArea>

<charting:ChartDefaultView.ChartLegend>

<charting:ChartLegend Visibility="Collapsed" />

</charting:ChartDefaultView.ChartLegend>

</charting:ChartDefaultView>

</chart:RadChart.DefaultView>

</chart:RadChart>

</Grid>

</DataTemplate>

</telerik:GridViewDataColumn.CellTemplate>

</telerik:GridViewDataColumn>

regards
Jerry

scroll causing empty cell

2 Answers, 1 is accepted