How To Access CommandParameter value from View Model

Question

I have a Button in the view:

<Button Grid.Row="0" Grid.Column="1" Content="Export to CSV "  
        HorizontalAlignment="Right" VerticalAlignment="Center"
        Margin="2,2,20,2" Style="{StaticResource ExportButton}"
        Command="{Binding ExportToExcelCommand}"
        CommandParameter="{TelerikGrid}"
/>

Now I have the ExportCommand in my ViewModel as :

private RelayCommand _exportToExcelCommand;
public ICommand ExportToExcelCommand
{
    get
    {
        if (_exportToExcelCommand == default(RelayCommand))
        {
            _exportToExcelCommand = new RelayCommand(ExportToExcel, CanExport);
        }
        return _exportToExcelCommand;
    }
}

private void ExportToExcel(Object param)
{
    try
    {
        //ToDo: Update With Command Parameters
        RadGridView gdv = new RadGridView();

        using (Stream stream = dialog.OpenFile())
        {
            gdv.Export(Columns);
        }
    }
    catch (FaultException ex)
    {
        var faultMessage = ex.Reason.GetMatchingTranslation().Text + "/n" + ex.StackTrace;
    }
}

Now I am creating a new instance of RadGridView:

RadGridView gdv = new RadGridView();

But instead I want to assign gdv from the value that is passed as CommandParameter from XAML

default · Accepted Answer · 2013-02-26 11:48:32Z

3

RadGridView gdv = (RadGridView)param;

param is the object you sent, so just cast it to its origin.

edited Feb 26, 2013 at 11:48

default

11.7k9 gold badges71 silver badges106 bronze badges

answered Feb 26, 2013 at 11:40

Bjorn Vdkerckhove

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