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Editorial Team
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Asked: 2026-06-12T08:30:15+00:00

I have generated a Bill Generator application without using a database. This application generates

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I have generated a Bill Generator application without using a database. This application generates bills and saves them with a file name in a folder as an HTML file. Right now I am using a timestamp to generate a unique ID for each bill. Now I want to reduce the length of my ID; I want to use serial number.

Problem: I am using an integer variable and on click I increment the value by one, but when I restart my application, the counter is reset…

How can I save last generated value and pick up where I left off when the application restarts?

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  1. Editorial Team

    Here are some options, depending on your application and needs:

    • Use a text file.
    • Store the value in a user-scoped Setting.
    • Save the value somewhere in the registry.
    • Parse the value from the last generated bill and resume where you left off.
    • Save the value on your web server and retrieve it when necessary.
    • Have your web server or something else persistent always generate the values instead of creating them locally.
    • Ask the user to remember the number and enter it the next time.
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