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KeyTips AccessText Displays on top of each other
See attachment. The Items 'New' and 'List' also have key tips defined for them, but they seem to be showing under the keytip for 'Views' (CV, OV, & IV respectively)

How do I adjust the position of the Key tips so they can all be individually seen?
RibbonView and RibbonWindow
Stefan
Telerik team
 answered on 25 Jan 2012
3 answers
129 views
Set DateSelection mode to year but I still want to select a day
Hey,

For a date of birth field it would be really nice to have the first "selection" screen to go to the year view but still be able to drill down from there to an actual "day".  At the moment I have to "drill up" to the years and then go all the way down again. 

If I change the DateSelectionMode to "year" it does what I want in terms of the initial selection screen, but then I cant drill down to a day.

Is there a way to do what I want?

Thanks

Brock
DatePicker
Boyan
Telerik team
 answered on 25 Jan 2012
1 answer
158 views
RadChart (PieSeriesDefinition) crashes with System.InvalidOperationException
My radchart (PieSeriesDefinition) is crashing when attempting to show 199 or more datapoints on a pie series.  Please see the error text below.  Can i use the sampling settings to avoid this error or is this a bug?  I just read about the sampling threshold default being 200, so it seemed odd that once i get near that it crashes.  I've tried to set the sampling threshold to above 200, below 200, and 0. When set to 0 (disables threshold) the crash happens when the pie chart is attempting to render.  In all other cases it crashes before render. Thanks. 

{"No generic method 'Average' on type 'System.Linq.Enumerable' is compatible with the supplied type arguments and arguments. No type arguments should be provided if the method is non-generic. "}
   at System.Linq.Expressions.Expression.FindMethod(Type type, String methodName, Type[] typeArgs, Expression[] args, BindingFlags flags)
   at System.Linq.Expressions.Expression.Call(Type type, String methodName, Type[] typeArguments, Expression[] arguments)
   at Telerik.Windows.Data.Expressions.EnumerableSelectorAggregateFunctionExpressionBuilder.CreateMethodCallExpression(LambdaExpression memberSelectorExpression)
   at Telerik.Windows.Data.Expressions.EnumerableSelectorAggregateFunctionExpressionBuilder.CreateAggregateExpression()
   at Telerik.Windows.Data.EnumerableSelectorAggregateFunction.CreateAggregateExpression(Expression enumerableExpression)
   at Telerik.Windows.Data.Expressions.GroupDescriptorExpressionBuilder.<ProjectionPropertyValueExpressions>b__3(AggregateFunction f)
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
   at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
   at Telerik.Windows.Data.Expressions.GroupDescriptorExpressionBuilder.CreateProjectionInitExpression()
   at Telerik.Windows.Data.Expressions.GroupDescriptorExpressionBuilder.CreateAggregateFunctionsProjectionMemberBinding()
   at Telerik.Windows.Data.Expressions.GroupDescriptorExpressionBuilder.<CreateMemberBindings>d__0.MoveNext()
   at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
   at System.Dynamic.Utils.CollectionExtensions.ToReadOnly[T](IEnumerable`1 enumerable)
   at System.Linq.Expressions.Expression.MemberInit(NewExpression newExpression, IEnumerable`1 bindings)
   at Telerik.Windows.Data.Expressions.GroupDescriptorExpressionBuilder.CreateSelectBodyExpression()
   at Telerik.Windows.Data.Expressions.GroupDescriptorExpressionBuilder.CreateResultSelectorExpression()
   at Telerik.Windows.Data.Expressions.GroupDescriptorExpressionBuilder.get_ResultSelectorExpression()
   at Telerik.Windows.Data.Expressions.GroupDescriptorExpressionBuilderBase.CreateQuery()
   at Telerik.Windows.Data.Expressions.GroupDescriptorCollectionExpressionBuilder.CreateChildQuery(GroupDescriptorExpressionBuilder childBuilder)
   at Telerik.Windows.Data.Expressions.GroupDescriptorCollectionExpressionBuilder.CreateQuery()
   at Telerik.Windows.Data.QueryableExtensions.GroupBy(IQueryable source, IEnumerable`1 groupDescriptors)
   at Telerik.Windows.Data.QueryableCollectionView.CreateView()
   at Telerik.Windows.Data.QueryableCollectionView.get_QueryableView()
   at Telerik.Windows.Data.QueryableCollectionView.CreateInternalList()
   at Telerik.Windows.Data.QueryableCollectionView.EnsureInternalList()
   at Telerik.Windows.Data.QueryableCollectionView.get_InternalList()
   at Telerik.Windows.Data.QueryableCollectionView.EnsureRootGroup()
   at Telerik.Windows.Data.QueryableCollectionView.get_RootQCVGGroup()
   at Telerik.Windows.Data.QueryableCollectionView.GroupedIndexOf(Object item)
   at Telerik.Windows.Data.QueryableCollectionView.InternalIndexOf(Object item)
   at Telerik.Windows.Data.QueryableCollectionView.TryRestorePreviousCurrency()
   at Telerik.Windows.Data.QueryableCollectionView.InitializeCurrencyOnRefresh()
   at Telerik.Windows.Data.QueryableCollectionView.RefreshOverride()
   at Telerik.Windows.Data.QueryableCollectionView.RefreshInternal()
   at Telerik.Windows.Data.QueryableCollectionView.RefreshOrDefer()
   at Telerik.Windows.Data.QueryableCollectionView.InvalidatePagingAndRefresh()
   at Telerik.Windows.Data.QueryableCollectionView.OnGroupDescriptorsCollectionChanged(Object sender, NotifyCollectionChangedEventArgs e)
   at System.Collections.ObjectModel.ObservableCollection`1.OnCollectionChanged(NotifyCollectionChangedEventArgs e)
   at Telerik.Windows.Data.RadObservableCollection`1.OnCollectionChanged(NotifyCollectionChangedEventArgs e)
   at Telerik.Windows.Data.ObservableItemCollection`1.OnCollectionChanged(NotifyCollectionChangedEventArgs e)
   at System.Collections.ObjectModel.ObservableCollection`1.InsertItem(Int32 index, T item)
   at Telerik.Windows.Data.RadObservableCollection`1.InsertItem(Int32 index, T item)
   at System.Collections.ObjectModel.Collection`1.Add(T item)
   at Telerik.Windows.Controls.Charting.DataBindingHelper.PerformSampling(QueryableCollectionView dataEngine, Int32 samplingThreshold, IEnumerable`1 samplingFunctions)
   at Telerik.Windows.Controls.Charting.DataBindingHelper.ProcessNoGrouping(SeriesMapping seriesMapping, QueryableCollectionView dataEngine, Int32 samplingThreshold, ZoomScrollSettings zoomScrollSettings, ISeriesDefinition defaultSeriesDefinition, AxisRangeState axisXRangeState)
   at Telerik.Windows.Controls.Charting.DataBindingHelper.ProcessMapping(SeriesMapping seriesMapping, QueryableCollectionView dataEngine, Int32 samplingThreshold, ZoomScrollSettings zoomScrollSettings, ISeriesDefinition defaultSeriesDefinition, AxisRangeState axisXRangeState)
   at Telerik.Windows.Controls.Charting.DataBindingHelper.ProcessMappings(SeriesMappingCollection seriesMappings, QueryableCollectionView dataEngine, Int32 samplingThreshold, ZoomScrollSettings zoomScrollSettings, ISeriesDefinition defaultSeriesDefinition, AxisRangeState axisXRangeState)
   at Telerik.Windows.Controls.Charting.DataBindingHelper.GenerateDataSeries(Object originalData, SeriesMappingCollection seriesMappings, ISeriesDefinition defaultSeriesDefinition, ChartFilterDescriptorCollection globalFilterDescriptors, ChartSortDescriptorCollection globalSortDescriptors, SamplingSettings samplingSettings, ZoomScrollSettings zoomScrollSettings, AxisRangeState axisXRangeState)
   at Telerik.Windows.Controls.RadChart.GenerateDataSeries(Object originalData, SeriesMappingCollection seriesMappings, ChartArea chartArea)
   at Telerik.Windows.Controls.RadChart.GenerateDataSeries(Object originalData)
   at Telerik.Windows.Controls.RadChart.Rebind(Object originalData)
   at Telerik.Windows.Controls.RadChart.Rebind()
   at Telerik.Windows.Controls.RadChart.InternalRebind()
   at Telerik.Windows.Controls.RadChart.OnApplyTemplate()
   at System.Windows.FrameworkElement.ApplyTemplate()
   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)
   at System.Windows.UIElement.Measure(Size availableSize)
   at System.Windows.Controls.Primitives.UniformGrid.MeasureOverride(Size constraint)
   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)
   at System.Windows.UIElement.Measure(Size availableSize)
   at System.Windows.Controls.Grid.MeasureOverride(Size constraint)
   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)
   at System.Windows.UIElement.Measure(Size availableSize)
   at System.Windows.Controls.Viewbox.MeasureOverride(Size constraint)
   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)
   at System.Windows.UIElement.Measure(Size availableSize)
   at MS.Internal.Helper.MeasureElementWithSingleChild(UIElement element, Size constraint)
   at System.Windows.Controls.ScrollContentPresenter.MeasureOverride(Size constraint)
   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)
   at System.Windows.UIElement.Measure(Size availableSize)
   at System.Windows.Controls.Grid.MeasureCell(Int32 cell, Boolean forceInfinityV)
   at System.Windows.Controls.Grid.MeasureCellsGroup(Int32 cellsHead, Size referenceSize, Boolean ignoreDesiredSizeU, Boolean forceInfinityV)
   at System.Windows.Controls.Grid.MeasureOverride(Size constraint)
   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)
   at System.Windows.UIElement.Measure(Size availableSize)
   at System.Windows.Controls.ScrollViewer.MeasureOverride(Size constraint)
   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)
   at System.Windows.UIElement.Measure(Size availableSize)
   at System.Windows.Controls.Grid.MeasureCell(Int32 cell, Boolean forceInfinityV)
   at System.Windows.Controls.Grid.MeasureCellsGroup(Int32 cellsHead, Size referenceSize, Boolean ignoreDesiredSizeU, Boolean forceInfinityV)
   at System.Windows.Controls.Grid.MeasureOverride(Size constraint)
   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)
   at System.Windows.UIElement.Measure(Size availableSize)
   at System.Windows.Controls.Grid.MeasureCell(Int32 cell, Boolean forceInfinityV)
   at System.Windows.Controls.Grid.MeasureCellsGroup(Int32 cellsHead, Size referenceSize, Boolean ignoreDesiredSizeU, Boolean forceInfinityV)
   at System.Windows.Controls.Grid.MeasureOverride(Size constraint)
   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)
   at System.Windows.UIElement.Measure(Size availableSize)
   at System.Windows.Controls.Grid.MeasureOverride(Size constraint)
   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)
   at System.Windows.UIElement.Measure(Size availableSize)
   at MS.Internal.Helper.MeasureElementWithSingleChild(UIElement element, Size constraint)
   at System.Windows.Controls.ContentPresenter.MeasureOverride(Size constraint)
   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)
   at System.Windows.UIElement.Measure(Size availableSize)
   at System.Windows.Controls.Border.MeasureOverride(Size constraint)
   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)
   at System.Windows.UIElement.Measure(Size availableSize)
   at System.Windows.Controls.Page.MeasureOverride(Size constraint)
   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)
   at System.Windows.UIElement.Measure(Size availableSize)
   at MS.Internal.Helper.MeasureElementWithSingleChild(UIElement element, Size constraint)
   at System.Windows.Controls.ContentPresenter.MeasureOverride(Size constraint)
   at System.Windows.FrameworkElement.MeasureCore(Size availableSize)
   at System.Windows.UIElement.Measure(Size availableSize)
   at System.Windows.ContextLayoutManager.UpdateLayout()
   at System.Windows.ContextLayoutManager.UpdateLayoutCallback(Object arg)
   at System.Windows.Media.MediaContext.InvokeOnRenderCallback.DoWork()
   at System.Windows.Media.MediaContext.FireInvokeOnRenderCallbacks()
   at System.Windows.Media.MediaContext.RenderMessageHandlerCore(Object resizedCompositionTarget)
   at System.Windows.Media.MediaContext.RenderMessageHandler(Object resizedCompositionTarget)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(Object source, Delegate method, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at System.Threading.ExecutionContext.runTryCode(Object userData)
   at System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean ignoreSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(Object source, Delegate method, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.InvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
   at MS.Win32.UnsafeNativeMethods.DispatchMessage(MSG& msg)
   at System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame)
   at System.Windows.Threading.Dispatcher.PushFrame(DispatcherFrame frame)
   at System.Windows.Window.ShowHelper(Object booleanBox)
   at System.Windows.Window.Show()
   at System.Windows.Window.ShowDialog()
   at sherpaSoftware.ConsoleWpf.Console.Show() in D:\SVN\ReportAttender\SharedLibs\sherpaSoftware.ConsoleWPF\ConsoleWpf\Console.vb:line 337
   at sherpaSoftware.raConsole.appEntryPoint.ApplicationStartUp() in D:\SVN\ReportAttender\Console\raConsole\app.EntryPoint.vb:line 68
   at sherpaSoftware.raConsole.appEntryPoint.Main(String[] aParams) in D:\SVN\ReportAttender\Console\raConsole\app.EntryPoint.vb:line 28
   at System.AppDomain._nExecuteAssembly(RuntimeAssembly assembly, String[] args)
   at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args)
   at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly()
   at System.Threading.ThreadHelper.ThreadStart_Context(Object state)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean ignoreSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Threading.ThreadHelper.ThreadStart()
Chart
Evgenia
Telerik team
 answered on 25 Jan 2012
1 answer
73 views
Pane in AutoHide mode flickers
Hello!

We have the following issue:

- Main form contents updates frequently (e.g. it's not static)
- There is AutoHide pane which is opened. This pane flickers and background (e.g. content of main window) is visible for a moment.

This problem is specific for Windows XP only. It's not reproduced in Win7 environment. Your help is required.
Docking
Boyan
Telerik team
 answered on 25 Jan 2012
3 answers
106 views
ZoomScrollSettings at RadChart (not on individual ChartArea)
Is it possible to scroll bar on RadChart (not to chart area)
I want to show 16 charts in grid (4x4). All charts has one XValue (datetime).
Want to have only one scroll bar to scroll all charts in grid.
Can you suggest best way to achieve this ?

Attaching screen shot of legacy system. Trying to achieve similar using RadChart 
Chart
Petar Marchev
Telerik team
 answered on 25 Jan 2012
1 answer
208 views
Format RichTextBox
Hi,

I am having a very hard time finding the right documentation/example on how to override the default formatting/css that is occurring in a RichTextBox that is loaded with HTML.

I have already found and tweaked the appropriate settings to make the HTML a fragment, but for the life of me I can't seem to figure out how to declare the css that I would liked applied to the HTML within the RichTextBox.

A perfect example is I need the following css to be applied to the HTML content.

<style type="text/css">
ol {
    list-style-type: upper-roman;
}

ol ol {
    list-style-type: upper-alpha;
}
outline.css (line 5) 

 ol ol ol {
    list-style-type: decimal;
}
</style>

Any help would be greatly appreciated.
RichTextBox
Iva Toteva
Telerik team
 answered on 25 Jan 2012
3 answers
134 views
Detect Docking Pane in PaneGroup
Hello!

  I'm trying to detect when a pane (radPane1) is docked into a PaneGroup with another pane (radPane2).  I thought I could do this:

        private void radDocking1_PaneStateChange(object sender, Telerik.Windows.RadRoutedEventArgs e)
        {
            var somePane = e.OriginalSource as RadPane;
            if (somePane == radPane1 && !somePane.IsFloating && radPane1.PaneGroup == radPane2.PaneGroup)
                   HandleDockEvent();
        }

...but it seems the PaneGroup is not set at this point in time, and hence that comparison fails.  How can I do this?

Docking
Konstantina
Telerik team
 answered on 25 Jan 2012
2 answers
218 views
RadGridView with default Row
Hi,

 I have specific requirement. I need to implement a radgridview with a row that contains a combobox in the first column on load of the grid. I have a button at the last column of the same row. i use that button to fill the details in the row based on the item selected in the combobox. once filled the combobox should be replaced with the normal cell. and the default row should be moved to the next row to add another item.

Please help me to solve this .

regards
SKB
GridView
Swaroop
Top achievements
Rank 1
 answered on 25 Jan 2012
0 answers
92 views
How to use CustomAggreageFunction???
Hi 

I used binding DataTable to GridView...


flowing code:
DataTable table = new DataTable("Data Table");
 
DataColumn column;
DataRow row;
 
column = new DataColumn();
column.DataType = typeof(DateTime);
column.ColumnName = "Time";
column.ReadOnly = true;
column.Unique = true;
table.Columns.Add(column);
 
column = new DataColumn();
column.DataType = typeof(double);
column.ColumnName = "A";
column.ReadOnly = true;
column.Unique = false;
table.Columns.Add(column);
 
column = new DataColumn();
column.DataType = typeof(double);
column.ColumnName = "B";
column.ReadOnly = true;
column.Unique = false;
table.Columns.Add(column);
 
// Create three new DataRow objects and add
// them to the DataTable
for (int i = 0; i <= 20; i++)
{
    row = table.NewRow();
    row["Time"] = DateTime.Now.AddSeconds(i);
    row["A"] = random.NextDouble() * 100;
    row["B"] = random.NextDouble() * 50;
 
    table.Rows.Add(row);
}
 
gridView.ItemsSource = table;

and then i used CustomAggregateFunction .. 

public static class Statistics
{
    public static double StdDev<TSource>(DataTable source, Func<TSource, double> selector)
    {
        int itemCount = source.Rows.Count();
        if (itemCount > 1)
        {
            IEnumerable<double> values = from i in source select Convert.ToDouble(selector(i));
 
            double sum = SumAvg(values);
 
            return Math.Sqrt(sum / (itemCount - 1));
        }
 
        return 0;
    }
 
    private static double SumAvg(IEnumerable<double> values)
    {
        double average = values.Average();
        double sum = 0;
 
        foreach (double item in values)
        {
            sum += Math.Pow(item - average, 2);
        }
 
        return sum;
    }
}

public class StandardDeviationFunction : EnumerableSelectorAggregateFunction
{
    protected override string AggregateMethodName
    {
        get
        {
            return "StdDev";
        }
    }
 
    protected override Type ExtensionMethodsType
    {
        get
        {
            return typeof(Statistics);
        }
    }
}

but this function occur exception :
{"No generic method 'StdDev' on type 'NS.Client.Models.Controls.Statistics' is compatible with the supplied type arguments and arguments. No type arguments should be provided if the method is non-generic. "}

what's wrong??

GridView
Guntae Park
Top achievements
Rank 1
 asked on 25 Jan 2012
3 answers
146 views
Adding RadPanelBarItem from code behind
Hi,

How do i add RadPanelBarItem from codebehind?

regards,
SKB
PanelBar
Swaroop
Top achievements
Rank 1
 answered on 24 Jan 2012
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Top users last month
Bohdan
Top achievements
Rank 3
Iron
Iron
Iron
Rob
Top achievements
Rank 3
Bronze
Bronze
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Top achievements
Rank 1
Iron
Iron
Iron
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Top achievements
Rank 1
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Want to show your ninja superpower to fellow developers?
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