Enlarge the cell size in the control table will be slower enforcement program?
I write data in the table control and to some color the background of the cell. First of all, I work with the table control in the smaller size. After that, when I put my cell more I found that the update data is slower when the cell size is smaller. Is there a solution for this problem?
I store all my data in the shift register, and then update only to the table. I found that in this way the data will out in faster table and then update a.
Tags: NI Software
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initialize the control table dimension
I use LV 2009 SP1 and you want to create a table 1 d of size control fixed. The elements of the array are a defined group of different controls (enum and boolean) data type. Control table will reside on a front panel and will be initialized with the values via the software, but the user will have access to change the values of array element (for example, change the enum and boolean controls. While the user has access to edit the elements of the array, I don't want the user to be able to add new items in the table. The table must have a vertical scroll bar, given that the number of elements at initialization of the array can be great and also can vary. I am familiar with the property of the table "Number of lines", but it only controls the number of visible rows in the table.
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Also see the attached screenshot for reference.
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I found an acceptable solution through the reading of other forum posts.
For others, who may find this useful:
By hiding the display of array index and all the scroll bars, the table can be fixed to the size. A separate scrollbar is used for the index in the table by writing to the array of Index values property. The min/max scroll bar may be limited by writing to the Min Doc, Doc Max properties. I've attached a screenshot of the block diagram. The value of constant labeled '# lines visible-1' is on the number of items pulled on the panle front less 1 and remains in control of the table of displayiong of the empty elements that allow the user to change. Also, even if the Page Size property has a value of zero for the scorllbar, which should allow scrolling of the Min Doc to Doc Max, he does not accept it as a valid value and is instead converted to a value of 1. I introduced a SR on it's a bug because the LV help suggests that the values zero or negative must be acceptable to the Size property of the Page.
I think it's the solution to the question, although it would be preferable that the size of the table control could be fixed size affecting a property element. I'll see about adding this title of suggestion.
Dan
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Using data from the control table
Hello
I would like to use the data entered in a table to automate volume/sequence of airflow for a test Chamber. As shown in the screenshot of control table, the first column indicates the number of iterations by elements of array in a series of tests and the second data column specifies the length of each line sequence. Entries in the other columns are specific to different valves and specify values set required in the flow meter.
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Hi Callisto,
If I understand your question then the solution is actually quite simple. The important point to keep in min is the fact that the Table control can actually be treated as an array of string. You can then use all the traditional table manipulation tools and techniques to manipulate your data as you wish. For example, use the Array Index function to retrieve specific columns and then if you want to spend the individual elements in a column in a loop, wire the table until the loop and ensure that indexing is enabled. If you then want to use these data elements to control your test application, you can convert a portion of the resulting string in more useful to digital.
All these concepts are illustrated in the attached VI. I hope this helps, but let me know if you have any other questions.
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NIUK
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When the id program in the base table will be updated?
Hello
I have a trigger on the table mtl_system_items_b that fires events when a record is created / updated. I need to create a program that will update the records in the table, but at the same time, it will not trigger trigger events for the updated records. My plan is to use the program_id column in the MSIB table to check if the particular update is done by the new program. Now, the question is, what happens if the same record is updated by any user front end (after the execution of the program)? It will update the program to something else id so that the trigger fires the event? If this isn't the case, then how can I limit the trigger for these recordings?
We can disable the trigger during execution of the program, but that we will lose some updates made by users on other records.
Thanks in advance... !!
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Hi Devendra,
When someone updates the same record on before the id program also updates.
Solution because it would be too write a when clause to your relaxation. Something like below
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This problem makes me headache.
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Music library is not a folder, it's just a definition of research.
Libraries are really just XML files that define search criteria.
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In fact, I wanted to know if if it was very important how it could be solved. -> In my case, it would have been good to get to know a solution said that maybe I don't know yet.
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