Aloha!
I'm not sure what digital versus symbolic values are. I suppose "32002" is
digital and "32%" is symbolic. The error message is about a Sort tag like
<db:sort> so I assume you are using it. The problem could be that there is
not enough information supplied to the sort tag. It could be a runtime value
or object that is being filled in. So there is required data like you say.
Do you have more of the error message? It might show the line number of the
generated servlet.
As to the second question. You cannot do a runtime progress status of a
search on a large database. Requests and responses are discrete events. You
could, after searching, find out how many records there were that were found
by using the ResultSetVector's size (it extends Vector). From that you can
generate messages.
if(rsv.size()==0)
out.println("There are no recordings satisfying to the given criterion");
else
out.println(rsv.size()+" recordings are selected");
Sorry I can't be of more help 8(
John
===============================================================
When I used this fragment for search of digital values, the problems did not
arise. But by search of symbolical values I receive exception 8 (:
java.lang. NullPointerException
at org.dbforms.taglib. DbSortTag.doEndTag (DbSortTag.java:80)
.......
Thus it is known, that in base there are required data. What I do
incorrectly?
And one more question:
- How it is possible to receive access to the information on a status of
search,
with the purpose to deduce to the user the necessary message,
for example: " 1000 recordings are selected" or " There are no recordings
satisfying to the given criterion ". (Please, fragment of a code)
Wbr, 73!
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