5. Adding pages dynamically

Adding new root pages and column pages on demand on client side

• Adding root pages

  dynamically by API.
  Must be set Paging='2' or '3'.
  The new root page can be created and added to the end of grid by

  AddPage

  method.
  You need to put the method the row data in XML, like in page response.
  Remember, individual rows, not pages, can be added by AddRow method.
  

• Adding column pages

  dynamically by API.
  Must be set ColPaging='2'.
  The new column page can be created and added to the right of variable columns (middle section) in grid by

  AddColPage

  method.
  To this method you fill only the column names, not any any data.
  Remember, individual columns, not pages, can be added by AddCol method.
  
• To add the pages on scroll to the bottom or right, use

  OnScroll

  event.
  Here you can use API methods like GetBodyWidth, GetBodyScrollWidth and GetBodyHeight, GetBodyScrollHeight to find if the grid is scrolled to the edge.
• Optionally you can set Cfg attribute EnterMode to specify behavior of Enter key, set it to 1 to behave like in Excel - enter goes cell down.

• Adding child pages

  dynamically by API
  To add new child pages on row expand you need to switch to server child paging by Cfg attribute

  ChildPaging='3'

  
  And to all rows where you want to add children set attribute

  Count

  ='1' and Expanded='0'.
  The new child page create in API event

  OnDownloadPage

  , here call

  AddDataFromServer

  with children data to add them.