var Qselect = (from w in db.Workshops
                               join wt in db.WorkshopTypes on w.WorkshopTypeId equals wt.WorkshopTypeId
                               join tt in db.TransferTypes on w.WorkshopTransfer equals tt.TransferTypeId
                               where w.WorkshopDate.Contains("1395/05/01")
                               orderby w.WorkshopDate
                               select new
                               {
                                   WorkshopId = w.WorkshopId,
                                   WorkshopDate = w.WorkshopDate,
                                   WorkshopTypeId = wt.WorkshopTypeName,
                                   WorkshopDetails = w.WorkshopDetails,
                                   FusionId = w.FusionId,
                                   WorkshopTransfer = tt.TransferTypeName,
                                   WorkshopWeight = w.WorkshopWeight
                               }).Take(10);
                grdWorkshop.ItemsSource = Qselect.ToList();

    <DataGrid x:Name="grdWorkshop" AutoGenerateColumns="False" >
                                <DataGrid.Columns>
                                    <DataGridTextColumn Header="id" Width="50" Binding="{Binding WorkshopId}" />
                                    <DataGridTextColumn Header="Date" Width="140" Binding="{Binding WorkshopDate }"/>
                                    <DataGridTextColumn Header="Type" Width="110" Binding="{Binding WorkshopTypeId }"/>
                                    <DataGridTextColumn Header="Detail" Width="220" Binding="{Binding WorkshopDetails }"/>
                                    <DataGridTextColumn Header="Series" Width="80" Binding="{Binding FusionId }"/>
                                    <DataGridTextColumn Header="Transfer" Width="130" Binding="{Binding WorkshopTransfer }"/>
                                    <DataGridTextColumn Header="Weight" Width="100" Binding="{Binding WorkshopWeight }"/>
                                </DataGrid.Columns>
                                <DataGrid.ContextMenu>
                                    <ContextMenu >
                                        <MenuItem Header="Add" Click="AddWorkshopItem" />
                                        <MenuItem Header="Edit" Click="EditWorkshopItem" />
                                        <MenuItem Header="Delete" Click="DeleteWorkshopItem" />
                                    </ContextMenu>
                                </DataGrid.ContextMenu>
                            </DataGrid>

   int id = (grdWorkshop.SelectedItem as Workshop).WorkshopId;