FrameworkElementFactory lb= new FrameworkElementFactory(typeof(Label));
                    lb.SetValue(Label.ContentProperty, "12345");

                    DataTemplate dtm = new DataTemplate();
                    dtm.VisualTree = lb;

                    DataGridTemplateColumn column = new DataGridTemplateColumn();
                    column.CellTemplate = dtm;
                    dg.Columns.Add(column);