Dear Telerik team,hi:

Inquire dock about several questions
Such as the figure shelf.

How to plant Form from two " Appoint "  In DocumentWindow page to this area
1.MDI_ChartForm1 "appoint" to DocumentWindow1
2.MDI_DataGridViewForm1 "appoint" to DocumentWindow2 
and
3.After increasing the two window newly, how to set up DocumentWindow1/2 DocumentButtons =>ActiveWindowList
4.In MDI mode, increases a page newly to sign each time, how could let this page signed for being main and (obvious)
and
5.How to click to sign in DocumentWindow1 page, publish DocumentWindow2 excellently at the same time,
They move ahead simultaneously

It doesn't explain this to already see Example code and Dock contents

No matter any answer, thank you very much
Thank Telerik for Telerik's demo code, it is a very good tool, arduous, thanks.

           foreach (GridViewColumn col in grid.Columns)
                {
                    arr[0, i] = col.HeaderText;
                    i++;
                }
 
                //Contents
                long currRow = 0;
                foreach (GridViewRowInfo row in grid.Rows)
                {
                    int currCol=0;
                    foreach (GridViewColumn col in grid.Columns)
                    {
                        if(row.Cells[currCol].Value != null )
                        {
                           arr[currRow + 1, currCol] = row.Cells[currCol].Value.ToString();
                        }
                        else
                        {
                            arr[currRow + 1, currCol] ="";
                        }
 
                    currCol ++;
                    }
                    currRow ++;
                }
 
                rng.Value2 = arr;