TDMS Data storage problem

I want to use TDMS file formats to store data from the DAQ. There are dozens of data every 10 ms, at the same time write to TDMS file. I want to ask to do so will be bad for the hard disk?

胖胖龙 wrote:
I want to use TDMS file formats to store data from the DAQ. There are dozens of data every 10 ms, at the same time write to TDMS file. I want to ask to do so will be bad for the hard disk?
Getting back to the question posted. There is a potential that the file may become fragmented as it reaches large size. There is a defragmenting tool available. There will be no harm done to the storage media on any type of hard drive you are likely to have.
That being said, I would not try it with anything left over from the 1980's
Jeff

Similar Messages

Data storage and read

Hello all,
I got a problem in data storage and read. I used the combination of "Open data storage", "Write data" and "Close data storage" to store some data as an array as shown below.
And used the inverted combination to read data as shown below:
As shown the data file is in tdm form. This works fine in my computer, both the VI and the stand alone application. However when I run the stand alone application in a target pc, the storage file can't be generated!
I don't know if it's the problem of my code or the problem of the target pc, since the target pc has tiny memory card with few drivers installed. I'm wondering if anybody could help me fix this problem. If there's other way I can store and read the file? or if I can make the target pc generate the tdm file.
Thanks!
Chao
Solved!
Go to Solution.

What error is being presented when the file isn't being generated? Is it an error with permissions? Or an error with a folder not existing? Can you manually make a file in the location where you expect the file to be generated?
Unofficial Forum Rules and Guidelines - Hooovahh - LabVIEW Overlord
If 10 out of 10 experts in any field say something is bad, you should probably take their opinion seriously.

My iphone 4 has no data storage. I have deleted all apps, music and texts and it still says I only have 1.9 GB available. There is nothing in my storage.

My iphone 4 has no data storage. I have deleted all apps, music and texts and it still says I only have 1.9 GB available. There is nothing in my storage.

The problem could be that you don't have enough storage on the device itself, not on iCloud. Go to Settings>General>Usage to see how much "Storage" you have available on the device. Farther down the list is the available storage on iCloud.
Also check:
Go to Settings>iCloud>Storage & Backups>Manage Storage; there, tap the device you need info on and the resulting screen lists Backup Options with which apps store data on iCloud as well. Tap Show All Apps to get the complete list of apps and MB used for backup storage.
A device needs many MB of storage in order to perform a backup to iCloud.
Also see: http://support.apple.com/kb/ht4847`

Uploading to online data storage: Now cannot download songs into iTunes

Hello all.
I am not seeing this one on any FAQs, knowledge bases, or discussion boards yet:
I am doing my initial upload of files to SugarSync, a highly-recommended online data storage service. Since I started, I cannot download songs into iTunes, even from the iTunes Store.
On any new downloads from the iTunes Store, the song DOES appear in the Music library view but immediately after completing the download it shows the exclamation point warning that the file is not in its location. The new folders get created properly within the iTunes Music folder but the subfolder where the song should be is empty. Each time I had to write iTunes Support to get them to make the files available.
I can still add files manually, no problem. E.g., I can add *.mp3 or *.wav files or folders, I can convert them to AAC, etc. The glitch seems to occur only when automated loads into iTunes are operating.
As a test, I downloaded a song from Amazon. Here the problem was different but I could work around it manually. Normally the Amazon process loads songs automatically into iTunes, too. Here again, the download did create the proper folder in the iTunes Music folder, as it should, but this time the symptoms were reversed:
(a) the mp3 file WAS in its folder as it should be (w/the iTunes DL, the file was NOT there)
(b) the song did NOT appear in the iTunes Music view (w/the iTunes DL, the song DID appear)
(c) I was able to browse to the file and tell it manually to load into iTunes (w/iTunes I had to write Support and wait a day).
(I wonder what's the cause of the differences between the two cases.)
Strictly speaking, I can't PROVE the problem has anything to do with SugarSync (which otherwise seems good so far), but the DL problem started as soon as I started using it. Something in the SugarSync upload or file-monitoring process, or an odd thin gin iTunes, seems to be preventing automated, direct loads into iTunes. And since the data service runs in background, so it can monitor file changes, that might mean I can't buy music anymore! Obviously that would be a dealbreaker with SS. (I have contacted SS on this but they've not had fair chance to reply yet.)
1) Anyone else have this problem?
2) Is this permanent or just temporary while I am doing the initial upload?
3) Anyone know a solution?
(FYI, I am a highly-experienced user and otherwise quite handy with iTunes files, library moves, and backups. My library is entirely consolidated and all AAC.)
Thanks.
(Oh, and this occurred in both iTunes 8 and the new iTunes 9, so it seems unrelated to the upgrade this week.)

UPDATE 1. CHANGING BROWSER HELPED -- OR DID IT?
I called Apple iTunes Support, who said the problem is new to them. The technician's hypothesis was that something, perhaps browser-related, was interfering with the initial creation of a temporary file (which should go to the Recycle Bin) that instead causes the completed file to go to there.
He noted that iTunes, though not going through one's browser onscreen, does use settings within one's default browser. I use Mozilla Firefox, so we switched to IE as the default browser, restarted iTunes, and the song downloaded with no problem! Then I switched back to Mozilla, restarted iTunes, and it worked AGAIN with no problem!
(Dutifully I advised SugarSync, which is still investigating.)
UPDATE 2: ARTIST NAME CHANGE - SOME FILES GOT MIS-MOVED / MIS-CHANGED
Definitely something still wrong. This time some pre-existing song entries (not new downloads) lost their connection to their source file.
In iTunes, which manages folder names for artists and albums automatically, I corrected the spelling for an Artist, so immediately iTunes renamed the folder, and automatically SugarSync noted the change to be uploaded. While the changed folder name and all the songs within were still uploading to SS, in iTunes I saw exclamation points come up -- but only for some of them. Most files got moved or changed correctly, but several lost connection to their file (i.e., the file was removed for the original misnamed folder but never moved into the correctly-named folder). Weird.
Worse, in only some of those cases did I find the missing *.m4a file in the Recycle bin. (I had to retrieve old, original *.mp3 versions from another folder and re-import each into iTunes manually.) I've never seen iTunes have a problem managing an Artist rename until I started using the live SS process.
(I've reported this to SS and asked if there is a way to disable temporarily SS to see if that's the problem.)
[Note: I am willing to try downloads again but I am wary of trying to rename entire Artists (Folder) again. That was a lot of work.]
====
UPDATE 3: SERIES OF TESTS - 1 FAILURE USING iTUNES
Still problem occurs, but not always. Today, I rebooted PC. I tried CD, iTunes, & Amazon. I varied having the browser open when using iTunes.
Here are the results of a series of attempts to download songs. "FAIL" means the file did not load properly into iTunes or loaded but lost its connection (exclamation point warning).
# Source Mozilla #Songs Result
1 CD Closed 1 OK
2 iTunes Closed 1 OK
3 Amazon Open 2 OK
4 iTunes Open 1 FAIL
5 Amazon Open 1 OK
6 iTunes Closed 1 OK
7 Amazon Open 2 OK
8 iTunes Open 2 OK
(I reported this to SS. Hoping they'll test and find the problem.)

Append value with Data Storage Vis

Dear,
I would like to use the Data Storage VIs to collect my data but I can't achieve my target.
I'm acquiring 1000 samples at 1kHz (N samples on demand) and I make the mean value of the samples. At the end of this proces I have a scalar value and the initial time at wich I have acquired the data. With this two I build a waveform and then I use the Write Data Storage Vi (TDMS) with "append" write mode to save my data.
When I read the Data Storage all the value have lost the time information. They start from 1.00.00,000 01/01/1904 and are equal spaced in time.
How can I keep the time information?
Thanks

Sorry totaly misread what you were doing.
You need to create ensure that waverform that is saved has the correct values for X0 and dx when you save it. Use the build waveform function to acheive this.
edit:
the default value for X0 is timestamp 0 (1904), use get datetimestamp at the very start of the cycle to get the correct value.
James
Message Edited by James W on 04-21-2010 01:06 PM

OWA 2007 Issue : Microsoft.Exchange.Data.Storage.VirusMessageDeletedException Could not get properties.

Hi I am facing an issue with Outlook web access on my production server Exchange Server 2007 with Sp1. When i try to reply or forward a message from OWA it displays The message has been deleted due to a virus threat . Kindly refer to the below error details. I have a box with all 3 roles installed I do not have an Edge Server . IO have installed Forefront on the same Box as my exchange Server.Below is the Detail of the error . Kindly Help
A virus was found in this message and it has been deleted. For further
information, please contact technical support for your organization.
Click here to continue working.
Copy error details to clipboard
Show details
Request
Url: https://192.168.7.12:443/owa/forms/basic/BasicEditMessage.aspx?ae=Item&t=IPM.Note&a=Reply&id=RgAAAACFMIZq8d7LTqcPs%2bRZA5g%2bBwBDDZWeCojSQZ1bZZ7Ga%2fkWAAAAeCc6AABDDZWeCojSQZ1bZZ7Ga%2fkWAA5iTbjpAAAJ
User host address: 192.168.7.11
User: Munendra Pal Gangwar
EX Address: /o=First Organization/ou=Exchange Administrative Group
(FYDIBOHF23SPDLT)/cn=Recipients/cn=mp_gangwar
SMTP Address: [email protected]
OWA version: 8.1.336.0
Mailbox server: PFCDELEXCH01.PFCDOMAIN
Exception
Exception type: Microsoft.Exchange.Data.Storage.VirusMessageDeletedException
Exception message: Could not get properties.
Call stack
Microsoft.Exchange.Data.Storage.MapiPropertyBag.GetProperties(IList`1
propertyDefinitions)
Microsoft.Exchange.Data.Storage.StoreObjectPropertyBag.InternalLoad(PropertyDefinition[]
properties, Boolean forceReload)
Microsoft.Exchange.Data.Storage.StoreObjectPropertyBag..ctor(StoreSession
session, MapiProp mapiProp, Origin origin, PropertyDefinition[]
autoloadProperties, Boolean canSaveOrDisposeMapiProp)
Microsoft.Exchange.Data.Storage.StoreObjectPropertyBag..ctor(StoreSession
session, MapiProp mapiProp, Origin origin, PropertyDefinition[]
autoloadProperties)
Microsoft.Exchange.Data.Storage.Item.InternalBindItem(StoreSession
session, StoreObjectId itemId, Byte[] changeKey, ItemBindOption
itemBindOption, PropertyDefinition[] allPropsToLoad)
Microsoft.Exchange.Data.Storage.Item.InternalBind[T](StoreSession
session, StoreId id, ItemBindOption itemBindOption,
PropertyDefinition[] allPropsToLoad)
Microsoft.Exchange.Data.Storage.Item.InternalBind[T](StoreSession
session, StoreId id, PropertyDefinition[] allPropsToLoad)
Microsoft.Exchange.Clients.Owa.Core.Utilities.GetItem[T](StoreSession
storeSession, StoreId storeId, Boolean forceAsMessageItem,
PropertyDefinition[] prefetchProperties)
Microsoft.Exchange.Clients.Owa.Core.Utilities.GetItem[T](UserContext
userContext, StoreId storeId, Boolean forceAsMessageItem,
PropertyDefinition[] prefetchProperties)
Microsoft.Exchange.Clients.Owa.Core.Utilities.GetItem[T](UserContext
userContext, StoreId storeId, PropertyDefinition[] prefetchProperties)
Microsoft.Exchange.Clients.Owa.Basic.EditMessage.LoadMessage()
Microsoft.Exchange.Clients.Owa.Basic.EditMessage.OnLoad(EventArgs e)
System.Web.UI.Control.LoadRecursive()
System.Web.UI.Page.ProcessRequestMain(Boolean
includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
Inner Exception
Exception type: Microsoft.Mapi.MapiExceptionVirusMessageDeleted
Exception message: MapiExceptionVirusMessageDeleted: Unable to get
properties on object. (hr=0x80004005, ec=1294) Diagnostic context:
Lid: 18969 EcDoRpcExt2 called [length=479] Lid: 27161 EcDoRpcExt2
returned [ec=0x0][length=422][latency=15] Lid: 23226 --- ROP Parse
Start --- Lid: 27962 ROP: ropOpenMessage [3] Lid: 17082 ROP Error:
0x50E Lid: 26977 Lid: 21921 StoreEc: 0x50E Lid: 27962 ROP:
ropExtendedError [250] Lid: 1494 ---- Remote Context Beg ---- Lid:
1238 Remote Context Overflow Lid: 14164 StoreEc: 0xFFFFFA1D PropTag:
0x672D0003 Lid: 8660 StoreEc: 0x8004010F PropTag: 0x672D0003 Lid:
21970 StoreEc: 0x8004010F PropTag: 0x672D0003 Lid: 23921 StoreEc:
0x3EC Lid: 21970 StoreEc: 0x8004010F PropTag: 0x672F0014 Lid: 23921
StoreEc: 0x3EC Lid: 21970 StoreEc: 0x8004010F PropTag: 0x6708000B Lid:
21970 StoreEc: 0x8004010F PropTag: 0xE960102 Lid: 21970 StoreEc:
0x8004010F PropTag: 0x6708000B Lid: 21970 StoreEc: 0x8004010F PropTag:
0xE960102 Lid: 21970 StoreEc: 0x8004010F PropTag: 0x67760102 Lid:
25394 Lid: 19506 Lid: 27698 Lid: 11285 StoreEc: 0x50E Lid: 21970
StoreEc: 0xFFFFFC07 PropTag: 0x30080040 Lid: 25818 Lid: 6153 StoreEc:
0x50E Lid: 25906 Lid: 5249 StoreEc: 0x50E Lid: 1750 ---- Remote
Context End ---- Lid: 27962 ROP: ropGetPropsSpecific [7] Lid: 17082
ROP Error: 0x4B9 Lid: 26465 Lid: 21921 StoreEc: 0x4B9 Lid: 27962 ROP:
ropExtendedError [250] Lid: 1494 ---- Remote Context Beg ---- Lid:
26426 ROP: ropGetPropsSpecific [7] Lid: 1750 ---- Remote Context End
---- Lid: 26849 Lid: 21817 ROP Failure: 0x4B9 Lid: 20385 Lid: 28577
StoreEc: 0x50E Lid: 32001 Lid: 29953 StoreEc: 0x50E
Call stack
Microsoft.Mapi.MapiExceptionHelper.ThrowIfError(String message, Int32
hresult, Object objLastErrorInfo)
Microsoft.Mapi.MapiProp.GetProps(PropTag[] propTagsRequested)
Microsoft.Exchange.Data.Storage.MapiPropertyBag.GetProperties(IList`1
propertyDefinitions)

I had this same issue, except I have Symantec mail security not Forefront. It wound up being a line in the adult content filter. For whatever reason, they included "If you received this email" as one of the literal strings. This is probably part
of almost every corporate confidentiality clause I have ever seen!! go figure......
Thanks for the event log hint- since I have the adult content set to delete, I had no good tracking mechanism in Exhange or SMSME. I set email notifications for the future on these.
Brent
I had this same problem, but I have ESET Mail Security Server. in some one case the problem y solved if I attach the "user@domain" in the "white
List". But in many case the problem is continuous. I have Exchange 2007 in MS Windows Server 2003.
Thanks for yours help.

Trouble with Data Storage VI's

I am new to LabView Data Storage, I wrote a very basic program to write data to a data base and to read the data. for some reason I am unable to read the data. I am attaching the VI's, Please can any one tell me what I am doing wrong in the VI's.
Thank you,
Mudda.
Attachments:
Read DataBase.vi ‏156 KB

Mudda,
I modified your code and I'll attach it here for you to look at. First of all, you need to tell the data storage open what function to perform (e.g. Open, creat, or replace). Then, you need to make sure the file you're writing to is a .tdm file. Finally, you need to remove the "Signals" terminal from your read and write vi's. To do this, double click on the vi and uncheck the box for "Show terminals for data channel". If this is checked and the "signals" terminal is visible, then the refnum will not pass any info on the file unless a signal is actually connected. So take a look at the code and see if you have any questions.
Tyler S.
Attachments:
write.vi ‏108 KB

2.23 Apps must follow the iOS Data Storage Guidelines or they will be rejected

My Multi Issue v14 App (24124) was just rejected by Apple. Apparently because storage of the data (folios?) was not iCloud compatible.
Is this related to v14? Would building a v15 app resolve the issue?
or is there some other problem?
Please advise...
Full text of Apple rejection below...
Nov 4, 2011 08:17 PM. From Apple.
2.23
We found that your app does not follow the iOS Data Storage Guidelines, which is not in compliance with the App Store Review Guidelines.
In particular, we found magazine downloads are not cached appropriately.
The iOS Data Store Guidelines specify:
"1. Only documents and other data that is user-generated, or that cannot otherwise be recreated by your application, should be stored in the /Documents directory and will be automatically backed up by iCloud.
2. Data that can be downloaded again or regenerated should be stored in the /Library/Caches directory. Examples of files you should put in the Caches directory include database cache files and downloadable content, such as that used by magazine, newspaper, and map applications.
3. Data that is used only temporarily should be stored in the /tmp directory. Although these files are not backed up to iCloud, remember to delete those files when you are done with them so that they do not continue to consume space on the user’s device."
For example, only content that the user creates using your app, e.g., documents, new files, edits, etc., may be stored in the/Documents directory - and backed up by iCloud. Other content that the user may use within the app cannot be stored in this directory; such content, e.g., preference files, database files, plists, etc., must be stored in the /Library/Caches directory.
Temporary files used by your app should only be stored in the /tmp directory; please remember to delete the files stored in this location when the user exits the app.
It would be appropriate to revise your app so that you store data as specified in the iOS Data Storage Guidelines.
For discrete code-level questions, you may wish to consult with Apple Developer Technical Support. Please be sure to include any symbolicated crash logs, screenshots, or steps to reproduce the issues when you submit your request. For information on how to symbolicate and read a crash log, please see Tech Note TN2151 Understanding and Analyzing iPhone OS Application Crash Reports.
To appeal this review, please submit a request to the App Review Board.

You might want to check out our ANE (Adobe Native Extension) solution that enables your FB projects to abide by the Apple's Data Storage guidelines.
https://developer.apple.com/library/ios/#qa/qa1719/_index.html
Do Not Backup project:
http://www.jampot.ie/ane/ane-ios-data-storage-set-donotbackup-attribute-for-ios5-native-ex tension/
David
JamPot.ie

Hi,i need to upgrade my 13"late 2011macbook pro with an ssd drive.i have noticed there is a system hard drive for booting up and a data storage hard drive that my computer uses,are these the same hard drive i can see inside my laptop?

hi,i use logic pro 9 and cubase to record,produce and master audio recordings and have bought a mac as recommended.have upgraded to 8gig memory (which i was told was the maximum you could upgrade a macbook pro)and still my recordin is slightley behind plauback.i need to replace my hard drive with a solid state drive to solve the problem.i have seen on youtube how to replace the hard drive but have noticed on the disk partition information that there is a 500gig harddrive for the system(booting up ect)and a 500gig harddrive for data storage,are these the same unit?i need to be sure im upgrading what the system uses to an ssd as well as the data storage or the problem wont be solved.i have an external hard drive so i have been looking at a smaller,faster ssd. hope you can help!

DaisyMay wrote:
Firewire 400/USB 2.0/1.1
I would recommend not settling for less then USB 3 or hold out for Thunderbolt, if your machine is capable. Firewire 800 minimum.
MacBook Pro, Mac OS X (10.7), 2.4GHz IntelCore i5 320 HD 8GB RAM ParallelsDesktop6.0

Windows 7 64bit Raid 1 Data Storage setup with UEFI and 6TB drives

i just bought a GigaByte MB with UEFI bios, 1 SSD 128GB drive for the OS (boot up), and 2 6TB drives for use in a raid 1 setup for the data storage.
I have been able to install win 7 64bit using the UEFI dvd drive. I have been able to define the 6TB mirror via the bios (under the Intel Rapid Storage Technology option) . But when ever i go into windows, and check under Disk Management, i don't
see the raid 1, i see two drives listed for the data, each at 1492 GB. I should be seeing 1 drive at 5.4TB.
note: I have tried re-installing win7 64bit many times to see if i have missed something. When i run setup off uefi dvd drive, i see that drive 1 (of what should be part of the mirror) and drive 2 are listed there at the reported 1492 GB size each.
So it seems that win7 doesn't see that mirror that i created via the bios. So is this a bios setting problem somewhere? i presume on this screen i should see the correct mirror size already.
Also, do i need to install win7 via the uefi dvd if i don't want to boot off those large drives (i just want to boot off the ssd. But when i did try that using a legacy mode, i couldn't later try to create a single large drive for the mirror using
GPT formatting. it just wasn't an option. although the mirror was recognized as 1 drive, but broken into 2TB and 3TB.)
what could i possibly be doing wrong??
Thanks for any help

Thank You Roger. I did call Gigabyte. This is how i solved it with the gigabyte support team.
1. Don't try installing Win7 64bit sp1 and setup RAID at the same time. (even go ahead and unplug those raid drives if you have it plugged in). The OS should be installed first on the boot drive, but make sure the BIOS is already set
to RAID (not AHCI. If you already installed OS under AHCI, you need to reinstall OS. i find this crazy because what if you decide to install raid down the road.. to an existing machine.. you can't do that because of this). Make sure
to install OS with the UEFI dvd drive option (i had done this).
2. Once the OS is installed, install all drivers that come for the Motherboard... That should include intel Raid drivers. (note gigabyte support didn't tell me to do this, but i didn't want to take a chance to have to reinstall OS again or have more problems,
but it makes sense.)
3. Now i have the GA-H97-Gaming 3 mother board, it had Bios F3. I upgraded it to F5 as per support tech.
4. turn off machine, and replug in the two 6TB drives.
5. after reboot, i find out that i no longer see Intel RAPID Storage Technology. (this should have displayed when i set the SATA Mode Selection to RAID before i started all this business... it did under bios F3, but not under F5.. bug?? i think so,
so i plan on letting gigabyte know about this). This is a problem. In Intel RAPID Storage Technology is where you define the RAID in the first place. OK, well after several reboots.. i tried to use CTRL-I to get to intel's interface
rather than that of the gigabyte bios. Voila... i define the Mirror...
6. I am able to boot into OS. I got to Drive Management. I now see 1 6TB drive. I initialize it of course using GPT. Format it. All all looks good now.
Hope this helps someone.. took me enough tries to get it right. I really am bothered about requiring the OS installed in the correct SATA mode just to get RAID working. As i mentioned, you can't change your mind afterwards without reinstalling
OS. Also i couldn't even get the OS setup to start when i had those raid drives plugged in.. so make sure to unplug them.
Best Regards.

Treo 755p The free data storage space on the device is low. Some data could not be saved

After having the Treo 755p device for only a week, I am receiving a message "The free data storage space on the device is low. Some data could not be saved." I have over 55 mb of free space according to the device info page. I cannot find anything about this in the knowledge library, can anyone offer help?
Post relates to: Treo 755p (Sprint)
Post relates to: Treo 755p (Sprint)

My problems are similar to Lauren, but backwards. For months now I have had problems with my Treo 755 reseting randomly. Sometimes during calls, sometimes while typing, sometimes while just sitting in the holster. As many as a dozen a day and then not at all for 2 weeks, no rhyme nor reason. This Free Space error though is brand new to me today and quite strange. The error is showing up when I bring my phone out of "sleep". I press the end button to sleep the phone and everything is fine. When I press it again to wake the phone up the error is sitting behind the keylock waiting for me.
Obviously I have done nothing yet for this new memory error, but I've tried everything for the reseting. Deleting software, Soft and hard resets, software updates, everything I and Sprint support can think of. With this new Free space error now I am going to just take it to a service center and demand a new phone. I think there is some kind of hardware error as I have done nothing in the programming. No new programs, no deleted programs, no changed settings.
I loved my Treo 650 and never had any problems with it. I am getting very disappointed in Palm now though with these ridiculous problems.
Post relates to: Treo 755p (Sprint)

Video -data viewing problem with diadem 10.1 and 10.2, while ok in diadem 10.0

Hi,
When viewing a video in combination with data channels (we have 3 EEG channels, tdm data, that we watch in parallel), diadem crashed rapidly when playing the video and data together in Diadem 10.1 and 10.2. We do not have any problems with Diadem 10.0. so we keep on using the older version to avoid any troubles. This just to notify, since other people may have the same trouble.
Cheers
Else

Hi Else,
We'd really like to reproduce this problem and get to the bottom of what is causing it, so that you could upgrade in the future. Would you be willing to send me a data set consisting of your TDM, TDX, TDV, and video file? You can either post here or send it directly to my email at:
[email protected]
Thanks,
Brad Turpin
DIAdem Product Support Engineer
National Instruments

How to acces and display datas storaged in cache for a SUP 2.0 workflow?

HI to all.
I have an application with a item menu which obtains data thought a online request. the result is shown is a listview.
My problem is when my BlackBerry has no conection ( offline scenario). When I select the menu item, I obtain an error.
How to acces and display datas storaged in cache for my MBO? I have read that I can use getMessageValueCollection in custom.js to access to my datas but once I get the datas, How can associate those datas to a Listview like a online request?? Do i have to develop my own screen in html or how?
Thanks.

I'm not entirely clear on what you mean by "cache" in this context. I'm going to assume that what you are really referring to is the contents of the workflow message, so correct me if I'm wrong. There is, in later releases, the ability to set an device-side request cache time so that if you issue an online request it'll store the results in an on-device cache and if you subsequently reissue the same online request with the same parameter values within that timeout period it'll get the data from the cache rather than going to the server, but my gut instinct is that this is not what you are referring to.
To access the data in the workflow message, you are correct, you would call getMessageValueCollection(). It will return an object hierarchy with objects defined in WorkflowMessage.js. Note that if your online request fails, the data won't magically appear in your workflow message.
To use the data in the workflow message to update a listview, feel free to examine the code in the listview widgets and in API.js. You can also create a custom listview as follows:
function customBeforeNavigateForward(screenKey, destScreenKey) {
     // In this example, we only want to replace the listview on the "My Approvals" screen
     if (destScreenKey == 'My_Approvals'){
          // First, we get the MessageValueCollection that we are currently operating on
          var message = getCurrentMessageValueCollection();
          // Next, we'll get the list MessageValue from that MessageValueCollection
          var itemList = message.getData("LeaveApprovalItem3");
          // Because its a list, the Value of the MessageValue will be an array
          var items = itemList.getValue();
          // Figure out how many items are in the list
          var numOfItems = items.length;
          // Iterate through the results and build our list
          var i = 0;
          var htmlOutput = '<div><ul data-role="listview" data-theme="k" data-filter="true">';
          var firstChar = '';
          while ( i < numOfItems ){
               // Get the current item. This will be a MessageValueCollection.
               var currItem= items<i>;
               // Get the properties of the current item.
               var owner = currItem.getData("LeaveApprovalItem_owner_attribKey").getValue();
               var type = currItem.getData("LeaveApprovalItem_itemType_attribKey").getValue();
               var status = currItem.getData("LeaveApprovalItem_itemStatus_attribKey").getValue();
               var startDate = currItem.getData("LeaveApprovalItem_startDate_attribKey").getValue();
               var endDate = currItem.getData("LeaveApprovalItem_endDate_attribKey").getValue();
               // Format the data in a specific presentation
               var formatStartDate = Date.parse(startDate).toString('MMM/d/yyyy');
               var formatEndDate = Date.parse(endDate).toString('MMM/d/yyyy');
               // Decide which thumbnail image to use
               var imageToUse = ''
                    if (status == 'Pending'){
                         imageToUse = 'pending.png';
                    else if (status == 'Rejected'){
                         imageToUse = 'rejected.png';
                    else {
                         imageToUse = 'approved.png';
               // Add a new line to the listview for this item
               htmlOutput += '<li><a id ="' + currItem.getKey() + '" class="listClick">';
               htmlOutput += '<img src="./images/' + imageToUse + '" class="ui-li-thumb">';
               htmlOutput += '<h3 class = "listTitle">' + type;
               htmlOutput += ' ( ' + owner + ' ) ';
               htmlOutput += '</h3>';
               htmlOutput += '<p>' + formatStartDate + ' : ' + formatEndDate + '</p>';
               htmlOutput += '</a></li>';
               i++;
          htmlOutput += '</ul></div>';
          // Remove the old listview and add in the new one. Note: this is suboptimal and should be fixed if you want to use it in production.
          $('#My_ApprovalsForm').children().eq(2).hide();
          $('#My_ApprovalsForm').children().eq(1).after(htmlOutput);
          // Add in a handler so that when a line is clicked on, it'll go to the right details screen
          $(".listClick").click(function(){
               currListDivID = $(this).parent().parent();
               $(this).parent().parent().addClass("ui-btn-active");
               navigateForward("Request_Details", this.id );
               if (isBlackBerry()) {
                    return;
     // All done.
     return true;

Segmentation Builder Using ADS -Analytical data Storage

Hi -
We are using ADS -Analytical Data Storage in Segement Builder. ADS brings in info objects from BW and then Infoset is created on that ADS .Infoset is then used as Data Source in Segment Builder. We are looking for some information on following. Any help will be greatly Appreciated -
1.Is any other customers using ADS (Analytical Data source) in Segmentation builder , and how their experience has been ?
2. We have large number of records, in millions which will be pulled from BW to CRM ADS. Can there be any performance issues, are there any know issues ?
3. Keeping in mind the performance issue, we haves divided ADS into several tables. However number of records in one table can be much more than other tables as these tables correspond to different customer types. What should be the optimal no of records in one table ? Is there any better way to define ADS ? -
Your help is greatly appreciated.
Thanks. - MP

Hello Mohanpreet,
We are pushing data from BW to CRM for subsequent generation of BP in CRM system ; and for this we are exploring APD functionality.
I am using ADS adapter in CRM and have made proper entries in CRM system( ref. screen 'Release data target adapter' in CRM system)
Now, when I go back to BW system and start to design my landsape in APD trnx. ; there I'm selecting CRM as my target system - which is connected to BW via RFC.
The problem come when I'm trying to deifne attributes of CRM system then while selecing 'ADS as traget adapter' I"m getting an error as " CRM error : Adapter 'ADS' not known " !!!
How do I solve this error. I'm totally stuck up at this point.
Please advice. Due points will be awarded.
Rgds,
Ak-

How to view both real data and timestamp information in TDM data viewer?

Attached, I have a VI that uses NI-Scope (NI-5122) to digitize and store data. I have added some TDMS functions in order to save waveform data in binary format ( our acquisition time is around 3 hours and the files become very large) As you can see, I am using TDM file viewer to view the data, the problem I am having is that I can only see the voltages and not time stamps. I am interested in viewing and analyzing timestamped data. I do see that the graph contains both voltages and timestamps and idealy I would like to see both in the value tab.
Please let me know what is the best way to see both sets of data.
Thanks!
Attachments:
niScopeFetchWDT_TDM1.vi ‏55 KB

The TDMS file does preserve the timing information for a waveform, you can see it if you go to the 'Properties' tab. The attributes are there to calculate the waveform timestamp data, however, it does not look like the code behind the TDMS file viewer supports displaying the timestamp values in a column on the 'Values' tab. This seems like a good case for filing a product suggestion. As for a work-around, if you are set on using a TDMS file and viewing the timing information you would require a custom version of a TDMS file viewer.
-Bob
-Bob

TDMS Data storage problem

Similar Messages

Maybe you are looking for