Re: MissingMethodException error - Please help
From: Chris Tacke, eMVP (ctacke[at]OpenNETCF_dot_org)
Date: 07/30/04
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Date: Fri, 30 Jul 2004 10:21:54 -0400
Sounds like a low-memory condition maybe. I'd implement tracing and log the
device memory status periodically then look to see if there's any
correlation.
-Chris
"Chris Durbin" <cdurbin@ccclark.com> wrote in message
news:66af01c4756d$f10fdc10$a401280a@phx.gbl...
> I am having a problem with my PreSale and Delivery
> program. I am getting a MissingMethodException Error
> (Randomly) and have not been able to fix it. I get 3-5
> call per day concerning this.
>
> Here is a brief description:
>
> The program is on Symbol PDT8100's and Dell Axim's in 5
> locations. The user picks up a zip file from the AS/400
> IFS(integrated File System) and unzips it. They pick this
> file up via cradle, infrared(Clarinet), Nextel(Socket cf
> adapter), t-mobile, Socket 56K modem, or Pegasus II
> infrared modem. They take orders through the day (they
> can transmit back orders as they take them if needed), and
> then run an end of day to reset for the next day. If they
> are printing invoices, the also pick up a zip file using
> the same methods described above (Begin of day), and print
> their invoices on site via Bluetooth(Syscan ZFP3), cradle
> (symbols only-Symbol RT1000 printer), or infrared. I have
> 2 programs that do this, CCClark_RSS and CCClark_Reset.
> My problem is with CCClark_Reset.
>
> When CCClark_RSS gets ready to exit, it checks to see if
> it needs to run an "End of Day". If so, it PInvokes
> CCClark_Reset, and then ends. CCClark_Reset runs without
> forms (In the background) and creates new data for the
> next day's work. In CCClark_Reset, I used one of the
> methods Larry Roof described in his book to load my
> database from the unzipped text files that have been
> transmitted. I use a general routine called LoadFile to
> do this, loading every file with this routine. Randomly,
> I get a MissingMethodException error as I write our the
> record to the file. I am logging statements to a logfile
> to try to catch what is causing the error, and I know that
> it occurs on the line where I
> run "insertRow.ExecuteNonQuery()". In my log file I am
> writing out the commandtext for the insertrow object, and
> I can take that same line, copy it out of my logfile, and
> run it using Query analyzer with no errors.
>
> To make matters worse, I can delete my database (My zip
> file still exists at this time on the device) and rerun
> the program using the same device, program, and zip file.
> It will run with no errors most of the time. If it does
> not, I repeat the process again and it will run.
>
> Consequentially, I am at a total loss as to how to fix
> this problem. That is why I need help. I have this
> program out in some locations, but have refrained from
> sending it everywhere until I have a fix for this issue.
>
> Thanks....
>
> Chris Durbin
> Programmer/Analyst
> 300 Oakland-Flatrock Road
> Oakland, KY 42159
> 270-563-4735 ex 113
>
>
>
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