How to create a login ID and password just like in the case of any website? Suppose a new user is there, at first he should create his own login ID and password that will be stored in some file.Then whenever the next time he tries to open up the VI and enters his login ID and password it should be searched and matched up with the one stored in the file and then user should be given the access. And there might be many users.

Hi Sunny, "Create User ID and password, & Read the file - Ok." - How can I suggest anything when you don't tell how your file is organized/formatted? - Even saying "I'm using an Excel file" isn't sufficient as it's a huge difference to use real Excel files (xls, xlsx) or plain text files (cst, txt) which can be read by Excel too. I can only suggest to use a csv file, read it with ReadSpreadsheetFile, use Search1DArray to search the UserID column for your user and index the password column for the password check. That's pretty basic, requiring only 5 or 6 ready-to-use LabVIEW functions. If you aren't able to set it up on your own I would recommend to go through the LabVIEW basic courses offered by NI...

LabVIEW

user id password

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oh sorry saw your solution now. Will try it by that also.

Thanks for the help.

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LabVIEW

user id password

Re: user id password