Save and Load Customizations in the XamDataGrid

using System.IO;
...
using (FileStream fs = new FileStream("xamDataGridLayout1.xml", FileMode.Create, FileAccess.Write))
{
    this.xamDataGrid1.SaveCustomizations(fs);
}

using System.IO;
...
//Load the layout from a stream
using(FileStream fs = new FileStream("xamDataGridLayout1.xml", FileMode.Open, FileAccess.Read))
{
    this.xamDataGrid1.LoadCustomizations(fs);
}
...