Event dead loop in updating column value of a matrix

Hi,
I need to do some auto calculation in a matrix. In my matrix, i have column A and B. If user enter a value in column A and leave the column then my add-on will do some calculation and assign a new value to column B, same thing on column B. In my event filtering, i use
"pVal.FormType == xxx && pVal.ItemUID == "xx" && pVal.ColUID == "U_xx" && pVal.EventType == SAPbouiCOM.BoEventTypes.et_LOST_FOCUS && !pVal.BeforeAction"
to capture the event. But then my add-on enter into a dead loop. It seems when i write a value to column B in column A event it will trigger LOST_FOCUS event in column B and then it trigger same event of column A, and then it enters into a dead loop. In SAP B1 client, i can see the two columns start refreshing endlessly.
Apparently, when assigning a value into a column B during event of column A, it will trigger LOST_FOCUS event of column B. That's the only reason i strongly suspect that. Is there any one know the solution for my situation?
Thanks,
Lan
P.S. i first get the object of the textbox in the matrix, and use "oEditText.value = new_value" to assign the value.
Edited by: ZHANGLAN on Jul 8, 2010 2:26 AM

Hi
Why didn't you try the Validate event instead of Lost focus. That is pretty easy for such calculations.
"pVal.FormType == xxx && pVal.ItemUID == "xx" && pVal.ColUID == "U_xx" && pVal.EventType == SAPbouiCOM.BoEventTypes.et_Validate && !pVal.BeforeAction"
Thanks
Anoop

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Hi,
We have a requirement to update a column value once the item has been approved.
Following settings have been made in the publishing articles list:
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Who should see draft items in this document library? :Only users who can edit items
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Hi,
According to your post, my understanding is that you want to update Column value after current item is Approved and then publish major version using Sharepoint 2013 designer workflow.
You will get into this kind of Catch-22 situation trying to set the Content Approval Status in SharePoint Designer workflow:
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SharePoint 2010 Approval Workflow with Content Approval
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Linda Li
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amol

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I am facing issue while updating column value to upper case in parent table and child table. How can i do that ?
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From here:
http://www.c-sharpcorner.com/uploadfile/anavijai/programmatically-set-value-to-the-taxonomy-field-in-sharepoint-2010/
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Retrieving column value from multiselect managed metadata column and updating metadat column in list.

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<?xml version="1.0" encoding="utf-8"?>
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You need to use the TaxonomyFieldValueCollection class. The following code is from SP2010 but should still apply in SP2013. It is an example of updating multivalued taxonomy fields.
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Blog |SharePoint Field Notes Dev Tool |
SPFastDeploy

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Party Name, Registry ID, Address Country, Match Percentage, Certification Level, Certification Reason, Internal Indicator, Status .
Certification Level, Certification Reason and Internal Indicator are the dropdowns.
The user want to update some of these fields values for some rows randomly.
After doing this if he click on Save button, Only thosed changed rows need to get update using a Custom Procedure.
But here all the rows irrespective of the change getting updated.
So how to capture the modified rows.
Appreciate any inputs..
Thanks
Palepu
Edited by: Palepu on 9 Aug, 2012 4:25 PM

Not sure if you got the answer. You need to capture the row which got changed using the below and get the column value using the getAttribute method. This works for single selection row, if it is multi selection then you will have to loop through all selected rows and find the VO attribute value.
String rowReference = pageContext.getParameter(OAWebBeanConstants.EVENT_SOURCE_ROW_REFERENCE);
Row currentRow = am.findRowByRef(rowReference);
String param1= (String)currentRow.getAttribute("VOAttribute");
Let me know if there are any issues.
Thanks
Shree

Sir i am using datasocket read ,i am communicating with java but my problem is that bcz im using while loop to see if value has changed my labview consumes all the processors time ,sir i want a event like thing so that while loop is not in continuous loop

sir i have given lot of effort but i am not able to solve my problem either with notifiers or with occurence fn,probably i do not know how to use these synchronisation tools.

sir i am using datasocket read ,i am communicating with java but my problem is that bcz im using while loop to see if value has changed my labview consumes all the processors time ,sir i want a event like thing so that while loop is not in continuous loopHi Sam,
I want to pass along a couple of tips that will get you more and better response on this list.
1) There is an un-written rule that says more "stars" is better than just one star. Giving a one star rating will probably eliminate that responder from individuals that are willing to anser your question.
2) If someone gives you an answer that meets your needs, reply to that answer and say that it worked.
3) If someone suggests that you look at an example, DO IT! LV comes with a wonderful set of examples that demonstate almost all of the core functionality of LV. Familiarity with all of the LV examples will get you through about 80% of the Certified LabVIEW Developer exam.
4) If you have a question first search the examples for something tha
t may help you. If you can not find an example that is exactly what you want, find one that is close and post a question along the lines of "I want to do something similar to example X, how can I modify it to do Y".
5) Some of the greatest LabVIEW minds offer there services and advice for free on this exchange. If you treat them good, they can get you through almost every challenge that can be encountered in LV.
6) If English is not your native language, post your question in the language you favor. There is probably someone around that can help. "We're big, we're bad, we're international!"
Trying to help,
Welcome to the forum!
Ben
Ben Rayner
I am currently active on.. MainStream Preppers
Rayner's Ridge is under construction

Event dead loop in updating column value of a matrix

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