[CLOSED] Grouping grid with groups for each row

  1. #1

    [CLOSED] Grouping grid with groups for each row

    Hi,

    I want to ask here if the problem I described in:

    http://forums.ext.net/showthread.php...3323-17-1.aspx

    maybe already hasr a workaround.

    For example with starting collapsing each group or whatever.

    Regards,

    Martin

  2. #2

    RE: [CLOSED] Grouping grid with groups for each row

    Hi,

    Paging operates with rows/records only but groups. If you set PageSize="25" then it is mean 25 rows (but groups) per page because a group can contains any count of rows.


    I understand that you want to perform paging by groups but store supports the paging by records only
  3. #3

    RE: [CLOSED] Grouping grid with groups for each row

    And do you see any solution to solve it?

    Maybe with using 2 Stores? One for Paging and one for Data?
    Or whatever...

    IMHO the Grouping is useless if it does not really work with paging.
    If you want to group, you want to see as much information as possible in your grid.

    But if you have to page 100 times and always see the same group name because one group contains 2500 rows and your pagesize is 25, then it´s nearly useless.

    Or is that a question for the ExtJS-Board?



    Regards,

    Martin

  4. #4

    RE: [CLOSED] Grouping grid with groups for each row

    Hi,

    Why do you need paging in this case if you want to show 2500 records at one page?


    IMHO the paging uses for limiting information per page because in mostly cases the user hard to operates 2500 records per page. Also paging uses to improve performance because 2500 records for web grid is too much and it is slowly rendering
  5. #5

    RE: [CLOSED] Grouping grid with groups for each row

    Sorry. I think you have missunderstand me.

    With:

    macap (11/30/2009)

    But if you have to page 100 times and always see the same group name because one group contains 2500 rows and your pagesize is 25, then it´s nearly useless.

    I mean (as example):

    - Paging with 25 rows on each page (=PageSize 25)
    - Maybe 5000 rows in the store and maybe one group with 2500 rows (as example) and 5 other groups with 500 each.

    If you collapse the groups now, then you have to page 100 times (for 2500 rows at PageSize 25) and always see only one line with the group name at every of the 100 pages. That makes paging IMHO unuseful if you want to have grouping and a Grid without Paging is IMHO unuseful too => grouping is unuseful :-)

    I know it´s a ExtJS problem and not a Coolite/Ext.NET problem, so it´s not a critism to your great project.


    Regards,

    Martin

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