How to generate a new guid in c# or .net with value

c# new guid

In order to generate a GUID in c# you can use this code, depending on your requirements:

         

    //generate a new guid with value in c# code
    Guid guid = Guid.NewGuid();

    ...

    //generate a new EMPTY guid: 00000000-0000-0000-0000-000000000000
    Guid guid = new Guid();
    //or
    Guid guid = Guid.Empty;

    ...

    //get the guid value as string
    Guid guid = Guid.NewGuid();
    var svalue = guid.ToString();

How to generate a guid with our tools from Online guid generator

You can also generate a GUID (UUID) with multiple options using our tool here: Online GUID (UUID) Generator

Microsoft Documentation about GUID

You can read more about the Guid structure on Microsoft Documentation here: Microsoft docs

If you need to generate GUID in c#, please read How to generate a guid in c# on our FAQ page.
If you need to generate GUID in JAVA, please read How to generate a guid in JAVA here.
If you need more data, for more complex scenarios, with nullable options, or weights, you can use our online tool. The random online GUID generator is just a small part of Online Data Generator. Access more than 70 data types on our website with configurable options.
If you want to read more about GUID in general, you can find more info on Universally unique identifier from Wikipedia.