c# truthy and falsy values

In JavaScript there is the idea of truthy and falsy values.

e.g.

• 0 : Always false
• 1 : Always true
• '0' : Always true
• '1' : Always true

Is there an equivalent list of truthy and falsey values in the C# language on the .NET framework?

The reason I would like to know this is that I find myself doing the following

if(obj != null)
{
   // Do something with the object
}

When I could write the following

if(obj)
{
   // Do something with the object
}