Software Development Kit (SDK) and API Discussions
Do you have examples using Netapp quota with C#(quota add entry, quota delete entry). I have the documentation but I cannot find an working example, with connection.
You can download a ZAPI explorer, which will let you build and run some sample code using a GUI, which should get you up and running for the basics.
You could also take a look at this beginners guide to using the ZAPIs.
This blog has some sample code
Hopefully these should get you started.