先说保存:
 UserControl control;  

private void barButtonItem1_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)

        {

            List<GridControl> listgridcontrol = new List<GridControl>();

            //反射 用不到

         //   System.Reflection.FieldInfo[] fieldInfo = this.GetType().GetFields(System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance);

            //panelControl2

            if(control!=null)

            {

                foreach (Control control in this.control.Controls)

                {

                    if (control is GridControl)

                    {

                        //  listgridcontrol.Add((GridControl)control);

                        ExportToXlsx((GridControl)control);   //保存为excel

                    }

                }

            }

        }

void ExportToXlsx(GridControl gridControl1)
{
SaveFileDialog saveFileDialog = new SaveFileDialog();
saveFileDialog.Title = "导出Excel";
saveFileDialog.Filter = "Excel文件(*.xlsx)|*.xlsx";
DialogResult dialogResult = saveFileDialog.ShowDialog(this);
if (dialogResult == DialogResult.OK)
{
DevExpress.XtraPrinting.XlsExportOptions options = new DevExpress.XtraPrinting.XlsExportOptions();
// gridControl1.ExportToXls(saveFileDialog.FileName, options);
gridControl1.ExportToXlsx(saveFileDialog.FileName/*, options*/);
// gridControl1.ExportToExcelOld(saveFileDialog.FileName);
DevExpress.XtraEditors.XtraMessageBox.Show("保存成功！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}

    public Form1()

        {

            InitializeComponent();

            accordionControl1.ElementClick += (s, e) =>

            {

                //创建page

                CreatePage(e.Element.Text, e.Element.Tag);

            };

        }

        UserControl control;

        private void CreatePage(string caption, object tag)

        {

            if (string.IsNullOrWhiteSpace(caption) || tag == null || string.IsNullOrWhiteSpace(tag.ToString())) return;

            try

            {

                 control = Activator.CreateInstance(Type.GetType(tag.ToString().Trim(), false, false)) as UserControl;

                if (control != null)

                {

                    panelControl2.Controls.Clear();

                    panelControl2.Controls.Add(control);

                }

            }

            catch { throw; }

        }