replacement of the specific rows in a worksheet

Alrighty folks,

I'm testing a number of samples and running equipment and the connection to the data through Labview.

I connect the data for all the samples on a worksheet. For the moment, whenever I run the code, the data is stored in a new row on the worksheet, which is all good and fine until I restart a sample (say 'A sample'), rather than replace the current sample has (say three tests after the re - test, that is to say three rows have now been filled with sample B sample C & sample D) it adds just down the file worksheet that turns tedious manually replace.

I understand that Labview will now have to do a reading of the file worksheet and perform a comparison for each sample name previously stored with 'A sample', before you write it to the file. However, as I am not competent in Labview and my ability to manipulate arrays is missing.

This is where I hope someone can help out me. I've attached an example of data that I collect in an Excel (the preferred way to display data). As you can see the sample names are all in the first column and this is what is happening to compare to"sample."

to summarize I need a code which:

  • reads a file of current spreadsheet stored on the computer
  • If the test sample already exists, replace this line with new test data
  • otherwise add this example in the worksheet as usual.

Thanks in advance for your help.

Sorry, that should have been a return to the original thread "element name", like this:

What it does not replace any line that begins with the name of element in your driveway again with your new line, replacing the old data with the new. Then the spreadsheet file is written only once, after that everything is in the table.

Cameron

Tags: NI Software

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