BCrypt library seems not to work for different computer

Let's say I have exactly the same project file.

I generate a hash password, using

string hashedpwd=BCrypt.Net.Bcrypt.HashPassword(password);

//store hashedpwd in DB

bool BVerify=BCrypt.Net.BCrypt.Verify(password, dbPwd);

BVerify returns true 

Then, I go to another computer, import that ms sql database into another computer, and run the project in VS 2012,

BVerify returns false,

Would like to know why is this happening?