Problem:
I need to build PDF's for a dynamic reporting environment (using
iTextSharp in ASP.Net/C# 3.0 environment). In general the end-user will be
able to choose however many fields they would like to show up. I would like to
simulate something like SQL Reporting services where they will get repeating
headers on each page, as well as having long rows break across pages (ie when
they select 50 fields and the data is say 500 rows of data, the first 10
fields/first 30 rows show on page 1, the next 10 fields/first 30 rows show on
page 2, etc through page 5, then the next set of rows 31-60 appears on page 6,
etc.
My general approach that I am thinking of taking is as follows:
Set up a table with the 50 columns
calculate approximate column widths by using getWidthPoint on the text in each
column of the first row of data
use the columns widths to do SetTotalWidth
add my cells to the table
use PdfPTable.Size to get the number of rows in the table, then divide that by
how many rows I think will fit on a page
use WriteSelectedRows(colStart, colEnd, rowStart, rowEnd, xPos, yPos, canvas)
to write out x number of columns and n number of rows then do a new page and
use WriteSelectedRows with the next batch of columns, do a new page, next set
of columns, etc.
Does this makes sense? In general is this the "correct" way to go about
accomplishing what I need or am I going down a completely wrong path?
Also, I have ordered the book and it should be arriving tomorrow, so if the
answer is "this exact situation is described in detail in the book, go buy it",
I can live with that too
Thank you
Erik Pfingsten
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