The following example demonstrates how to initialize settings for the FieldLayoutSettings of the DataPresenterBase.This provides default values for the settings of all field layouts within the control. This can then be overriden for specified FieldLayout instances using its Settings property.
<igDP:XamDataGrid DataSource="{Binding Source={StaticResource EmployeesDataSource}}">
<igDP:XamDataGrid.FieldLayoutSettings>
<igDP:FieldLayoutSettings AllowAddNew="True" AddNewRecordLocation="OnTopFixed" />
</igDP:XamDataGrid.FieldLayoutSettings>
</igDP:XamDataGrid>