You didn't tell us what the actual error is:
Is the for loop ever entered?
Or, does it cause an error when the for loop is entered?
I'm going to guess that the for loop is never entered.
That means the JSONObj.length is probably 0.
Most likely the problem is related to how you think the object is deserialized.
You actually missed a closing } at the end of your sample JSON.
Keep in mind that this means the returned thing from the following json object is an object -- not an array.
{"projects":[{"name":"projects/sTest"},{"name":"projects/A345"},{"name":"projects/off"},{"name":"projects/dds"}]}
The outer {} means that there is an object returned.
That object {} contains an array.
That probably means that when you call the following line:
var JSONObj = JsonConvert.DeserializeObject(result);
You get an object back.
What is the Length value of the object?
It isn't defined and probably gives you an error.
What you need to do is inspect JSONObj to see if it has a member named "projects".
That's probably the array of objects you are attempting to iterate over.
But, we need to know more about the result you are seeing to know more.