Hi Cloud,

On which line is the NullReferenceException occuring?  The debugger should tell you where the exception occurs.

The only reason I can see from the code you provided that would cause an exception is the line where you set the DataPresenterExcelExporter equal to the exporter you pull from the Resources collection.  That line will return null if it can't find the item you're looking for.

  i also have a problem with the export to excel. i simply want to export my whole xamdatagrid to excel like in this tutorial

http://www.youtube.com/watch?v=dtn9oa_Yz_0:

but in this code:

string fileName = @"C:\Temp\tmp.xlsx";
DataPresenterExcelExporter exporter = (DataPresenterExcelExporter) this.Resources["excelExporter"];
ExportOptions options = new ExportOptions();
 options.FileLimitBehaviour = FileLimitBehaviour.ThrowException;

xporter.Export(grid,filename,WorkbookFormat.Excel2007, options);
System.Diagnostics.Process p = new Process();
p.StartInfo.FileName = fileName;
 p.Start();

i got a NullReferenceException but i don´t get where and why this happens.

all of my objects are set....

what am i doing wrong?

regards

Cloud

Hi All,

In my xamgrid I use groupby like this

<ig:XamGrid ItemsSource="{Binding}">

 <ig:XamGrid.Columns>
                <ig:TextColumn HeaderText="Code" Key="Code" Width="100" IsReadOnly="True"></ig:TextColumn>
                <ig:TextColumn HeaderText="Name" Key="DisplayName" Width="180" IsGroupBy="True" IsReadOnly="True"></ig:TextColumn>

</ig:XamGrid.Columns>
</ig:XamGrid>

My Question is:

In WPF, How can I display the groupby-record in the excel-worksheet in a grouped way.

Please give provide me a sample solution.