SUM excepretion Operations

Hi all,

i have two tables master and detail hte master has a count and the the ditail has the price and i want to make a collective sum of the total price in the page summery, so can i put operation in a SUM excepretion? Like this

[SUM(<items."price"> * <orders."count">)]

Comments

  • gpigpi
    edited 5:26AM
    Yes, you can
  • edited 5:26AM
    thank you, and you can put a words in state of a boolean format without having an error like: [<dataset."fild1"> #bhas warranty, hasn't warranty]
  • gpigpi
    edited 5:26AM
    Use IIF function
  • edited January 2012
    i ran into a state witch i want to print just a summery page, (witch has SUM operations, and incude excepretions) for datesets summery, but when i preview the page its seems to me that the operation didn't take a value unless you put there excepretions datasets bands in the page (witch i don't what to view),i tried to hide them (by setting visible property to false), i didn't get the watted result.
    so how can i fix the problem?
  • gpigpi
    edited 5:26AM
    wrote:
    3.6 Aggregate functions
    In most cases, group reports need to display some summary result information
    (such as: ???total of a group,??? ???number of group elements,??? etc). FastReport provides these
    aggregate functions this purpose. With their use, one can retrieve the defined aggregate
    value over a data span. The list of aggregate functions:
    SUM Returns the total of the expression
    MIN Returns the minimal value of the expression
    MAX Returns the maximal value of the expression
    AVG Returns the average value of the expression
    COUNT Returns the number of lines (rows) in the data span
    The syntax of all aggregate functions (except COUNT) is as shown below, using an
    example of the ???SUM??? function):
    SUM(expression, band, flags)
    SUM(expression, band)
    SUM(expression)
    The parameters assignment is as follows:
    expression ??? the expression, the value of which will be handled
    band ??? the name of data band, on which the value(s) to be handled originally reside
    flags ??? a bit field, which can be the following values or their sum
    1 ??? include invisible bands in calculation
    2 ??? accumulate the value or running total(do not reset the result value when the
    current data span resets)
    An expression is the only mandatory parameter; all the rest are optional.
    Nevertheless, it is recommended to always use band parameters, to avoid mistakes.
    The ???COUNT??? function has the following syntax:
    COUNT(band, flags)
    COUNT(band)
    The parameters assignment is similar to the one described above.
    There is a general rule for all aggregate functions: a function can be counted only
    for the data-band and used only in that band???s footer (the following bands refer to the
    latter: footer, page footer, group footer, column footer, and report footer( summary band)
    ).
  • edited 5:26AM
    thanks.
    i found it.
    the solution is simple, just set the count invisible data band (or dataset) option, after hiding the data bands.

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