Remote_login_passwordfile value changes do not

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• value change event not called on the evolution of the value falling down

  
  Hello

  I have a drop down with values such as... 1-25, 26-50 and so on.

  I need to see the 1-25 as pre-selected when the page is loaded. and when we change the value in the drop down a listner valuechange is called and will service call.

  But when I again selects the default 1-25, at the time where only the value changes listner is not called.

  To show the value that pre-selected I put:-noOfRecSOC.setValue(1);

  noOfRecSOC is the drop down on the screen.

  You must not directly set the value in the UI component. Use the property value drop-down list together for years by default here. Otherwise the value change listener do not notice the change to the original value (as it is never changed).

  You can use a variable temporary pagedef for the value. check out my blog Creating Variables and attribute Bindings to Store values temporarily in the PageDef | JDev & amp; ADF Goodies to find out how to do this.

  Timo

• Copied value changes do not

  I have 3 blocks and only 2 of them are related, but the third
  in not linked with one of the other 2 blocks.
  The first block is the main block, the second detail
  block and the third is a datablock database just like the other 2.
  When I press the F8 button to execute the query all values are displayed
  fine on my first block 2, but on the second I added a trigger
  named after change on one of my first block element with the following
  Code:

  Begin
       :BLOCK3.SCHOOL_ID := :BLOCK1.SCHOOL_ID;
       :BLOCK3.STUDENT_ID := BLOCK.STUDENT_ID;
  End;

  Copies values quite well, but if we use the keys to go down
  I see that the values are placed on my third point block very well.
  But if I use the key to go to the top, I see that the item always displays
  the last record and does not move.
  Can someone please help me solve this problem?

  change after fires when you change a value or when to run the query and fill

  If you copy the value of block (student) on the change after, only fires when Fill query

  When you press the key downwards and the need to block to retrieve several data execuet the post request fires change and change in block3

  When you press the up button you access a record by the other, but not the fires of change after because no change.

  I think you need when-new-folder-instance of programming for block students and writing the same code

  Begin
  : BLOCK3. SCHOOL_ID: =: BLOCK1. SCHOOL_ID;
  : BLOCK3. STUDENT_ID: = BLOCK. STUDENT_ID;
  End;

• I'm trying to change the registry key, but the value change does not work correctly.

  Original title: HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\kernel\ DWORD Does't work on Windows XP

  OS version:

  WindowsXP_x86_English_Professional_SP2

  I put

  HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\kernel\ DWORD

  to 0 and reboot the system.

  But the system is still in the case.

  I can't create A.txt and a.txt in the same folder.

  Why?

  And how I can config XP SP2 as case sensitive?
  Thank you very much!

  Hello

  The steps of troubleshooting from the following link and check if that helps.

  A file system case-insensitive which becomes case insensitive after installing an update for .NET 2.0 Framework

  Important: This section, method, or task contains steps that tell you how to modify the registry. However, serious problems can occur if you modify the registry incorrectly. Therefore, make sure that you proceed with caution. For added protection, back up the registry before you edit it. Then you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article: back up the registry

• Which situations give an event structure do not capture a Boolean value changes?

  LabVIEW 9 x 86

  Windows 7 x 64

  I have an event structure that works very well.  It has 5 cases, each triggered by a change in value of various indicators.

  I added another case of event, I'm trying to raise the case of the event with the express control "Out of time", I made a deal to raise when the Boolean value "out of time".  The structure of the event does not run when the value changes.

  In addition, once figured out how to make this indicator to trigger structure of the event, I would like to only trigger when the value goes from 0 to 1 and not from 1 to 0

  Search the forums for "event to change value" and "value traffic".

  The value (I guess you have on the structure of your event, bar header you seems to miss information.) the change is triggered only when the user enters new data in a control, or you write a new value programmatically by using the Value property node (signaling).  Completed just by a program written for a local variable, or do not ' value' property node.

  To trigger that in a sense, you can put the code in the event of a case within a case structure so that it runs only when it it True (or False, if that's what it takes.)

• events triggering not on value change

  Is there a problem to have several event facilities in a VI that handle the same event? Specifically, I have a stacked sequence where in an image, there is an event loop (structure of the event in awhile put in loop) which manages the user interface buttons and closes the loop when met the correct conditions and then moves in another frame with another loop of events that handles the key events even in a manner slightly different and also some data acquisition view and generate files.

  I have attached a simplified version of VI that illustrates the problem. If the second event (in box 3) loop is activated, the RUN button are not managed in the first loop of the event. If the second loop of the event is disabled the button RUN are managed in the first loop of the event.

  This is something that can not simply to be chart labview? I'm more used to do this kind of programming in C or VB where the handler determines its behavior based on some global state variables and maybe I don't see how to achieve this easily in labview.

  I wouldn't the things sentence too strongly, as Dennis has, his points have merit.

  Your problem is with a parameter set to the value change event in the second structure (a checkbox in the dialog box), which tells the LV to lock the front until the end of the case of the event. Given that the occurrence is not complete (it doesn't even start), the FP remains locked and you can't do anything. The key here is understanding that registration for the event occurs as soon as the structure of the event between the VI is execution mode (simplification, here we just say the VI began to run) and from that point on the recorded events are queued, but you let run never really the structure of the event.

  The band-aid patch might be to uncheck the box for this option, but this isn't a good solution. A better solution would be to review your code in such a way that you don't have the event structures in order. There are many options for how you can do it. Here is one that is quite detailed - http://www.notatamelion.com/2015/02/23/building-a-proper-labview-state-machine-design-pattern-pt-1/

  In this one, you basically have a structure of the unique event and you react to events according to the State of the system.

• Movement of keyframes does not - I can see the values change, but nothing happens in the monitor!

  I'm having a nightmare trying to program in a few Motion keyframes to change the position of an element in my program monitor.

  I created the image key to assign the value of the position of an element in the timeline - I want the clip to move toward the Center on the side of the screen. I followed the guidelines and can see the keyframe symbols appear in the view of key images marking the beginning and the end of the change. What is strange, is that when I press play, I can see values changing in the effect controls panel - but nothing really happens in the clip! The clip in question has a silhouette figure, that I created using images of the figure against a green screen, which has then been hidden. I then applied a track matte key to the below item to fill the silhouette with footage - this has something to do with my animation does not?

  I checked to assure that I do apply keyframes for the clip, checked parameters interpolation of keyframes of & all seems in order. I'm new to first, & I apologize if I've properly referenced the different tools or windows - but I hope you get the idea. I looked online but can't find someone reporting a similar issue, that is certainly a first when you are working with such a popular program. I hope that it is something stupid and can be easily solved.

  Can someone tell me why the keyframes, I could, & can change the clip plays, are not actually affecting the clip at all? Any help would be greatly appreciated.

  I realized after the announcement that if I applied the keyframe to the matte rather than the silhouette clip keyframes of the movement worked. Thanks for the advice so guys!

• Change the default value of column NOT NULL to NULL

  Hi all
  How can I change the default value of column not NULL to NULL?
  Suppose I have run the following commands:

  SQL> alter table hr.test modify temp_num2 default null;
  
  Table altered.
  
  SQL> desc hr.test;
   Name                            Null?    Type
   ----------------------------------------- -------- ----------------------------
   TEMP_NUM                             NUMBER
   TEMP_NUM2                       NOT NULL NUMBER

  Why forced temp_num2 has not changed with the NULL value? I'm under 11.g rel2
  
  Best regards
  Valerie

  You can NOT change the column constraint NULL to contain NULL values by:

  alter table table_name modify column_name null; 
  

  After this change, the column can contain null values. In Oracle, not null constraints are created automatically when not null is specified for a column. Similarly, they are deleted automatically when the column is changed to allow NULL values.

• leads the value change in the structure of the event

  Hello

  Please the the VI attached.

  I would like to know what event triggers when the value true or false of the changes led?

  In the case of structure above the structure of the event, the values of true or false of the led are changed.

  From the change, the analog output for Acquisition Card changes. However, the change event of the value in the structure of the event never fires, I know that I run the Vi with the selected highlight enforcement tool.

  Thank you

  Venkat Rao

  Changing the value in an event structure occurs only if one of the two following situations occurs.

  1. the user who modifies the control on front panel.  That may not happen since these LEDs are indicators and does not control.

  2. the program writes a value of property of the Value indicator/control (signalling) node.  Writing to the terminal of the indicator, or the local control variable / indicator not fire the event.  Given that you do not use value property (signalling) nodes in your program from this moment, won't happen either.

  Note that the value change event is a bit misnamed.  The change event is triggered, even if you do not actually change the data.  So if your LED is currently worth, and you write a True Boolean value for the Value property node (signalling), the event always fires even if you're not technically change the data.

• "Error Out.status": Value change event.

  I get no event that fires when the error on the 'status' change?

  Change event simply write data to a terminal indicator do not have a value.

  The only things that cause a value change event are the user interaction with a control, or by writing to the (signalling) Value property of a control or the indicator.

• passing value change of timeout

  Hello

  need help...

  I have a button wic radio replace the text arrouding in the time-out period.

  If the text is 0 = the radio button value will be b = 1

  If the text is 5 = the radio button value will be b = 2

  and so on...

  in this State... say to my whenever I need to check the text, and if the value is 0/5

  I need to call the "" option button: change the value "event..."

  How it is pls help. THK u

  Hi Vsh,

  Thanks for the help, it works.

  but can not understand it's part...

  "It is recommended to have a change event for your controls to the string value, (do not timeout) call the part of the code (from the radio button value change event) in the case of event of value chain." This will isolate you design conflicts. »

  can u explain more... Please... I as eager to know that with a time-out... for most it cause so much conflict...

• How to reset a while loop based on a value change event?

  Hi all

  I work in a labview program that sends voltage to a laptop via USB 6008, tension is amplified by an op-amp, and then he comes back in the laptop. I created a program and a working circuit, but my current challenge is how to reset the average of the values of voltage coming into the laptop, after that the user changes the digital control (which controls the output voltage). In other words, I need to be able to reset the number of iteration and the sum to 0 each time this happens.

  I looked upward to reset the counters of iteration through shift registers, but I'm not sure it will work in this case, but I'm also not sure how to reset the sum of an array (if possible). I have spent a lot of time to read these forums and tutorials from various sites, so I think it can be done with the correct nesting of the case structures, structures of the event and while loops, but I don't know how. I am new to LV, just started to learn in mid-January, so any help is appreciated.

  Thanks in advance,

  Graeme

  You just need the structure of single event with the bargains.  Use the case of timeout to get your new values and find the average (100ms timeout value and get rid of the wait function (ms)).  Keep the amount and the number of items in the shift registers.  Wire these values through each case of the event.  In the event of changing the value: control, just set the values to 0.  Then add a Stop button value change event to stop your program.

  

  

• reference, triggering case value change event

  Hello

  I have 2 VI, it has a switch on it and one for the event that watches for a change in value on the toggle switch and if it detects one it turns on a light.

  The second VI reference the first VI and reference of the toggle switch.  This second VI I wish I could switch on or off and have the case of the event in the other VI do its thing.

  This is not the case.  The same case is not catching the failover when I do for one another VI referencing the switch

  is there a workaround to do, a way to make the case event notice that the reference value changes without having to not to use the case of the event?

  Thank you very much!

  You use the Value property (Signaling) to trigger an event of value has changed.

  Lynn

• How to trigger the value change in the structure of the event

  HII everyone, like the title, how should I trigger the value change event to display a message... Here is my connection... I want to trigger structure of the event to bring up the subvi, when the flame and the led are TRUE State... I have using the node property, but still not able to run event structure... How should I connect? Thank you very much...

  There are several ways you can do. First of all, you need to configure your sub - vi while he does everything you want when you run (in the properties of vi, top most window for example) and to make sure that it closes completely when you're done (when you click on the 'OK' button, for example).

  Spend you need an asynchronous call to the subvi. There are several ways to do so. My favorite one below. You go in the palette under 'Application control' and select a static reference VI. I like this approach because it keeps track of the way subvi for you, as long as the subvi is in the same project. Then, drag the sub - vi on the empty square which will be changes to your sub - vi icon. Then, you connect to an invoke node in the same palette under and select run VI. "Wait, that 's" set to false and the main VI will continue to function after the start of the vi of Sub. Together "Auto Ref" is the best way to go. Otherwise, you will need to follow the sub - vi reference and shut up yourself when you are finished.

  

• value of property not generating a signal event node

  I have a sample program that uses a property node > Value (Signaling) to generate an event.  The property looks like this:

  When I create a VI to do the same thing, the property node looks like this:

  I click with the right button on the Boolean control, create, node, value property (Signaling) to create the node.

  My VI does not generate an event when a value of TRUE is passed to the property node.  Is it possible to change the Boolean Data Type?  What is the problem?

  shall12 wrote:

  My VI does not generate an event when a value of TRUE is passed to the property node.  Is it possible to change the Boolean Data Type?  What is the problem?

  If the data type of the property value node does not resemble boolean (i.e. purple instead of green), you must change the mechanical action of the Boolean because it is currently latch action. Change the mechanical action to switch the action and you should be OK.

  Also note that a value property (sgnl) fires the event to change value unconditionally, even if a new value of the former are the same.

  (If you want to be able to raise Boolean lock action events as you describe here, consider a vote for this idea. )