- Is it better to use null or empty string?
- What is the difference between null value and empty value?
- Is empty and null the same?
- How do you check if a value is empty or null?
Is it better to use null or empty string?
So, NULL is better. An empty string is useful when the data comes from multiple resources. NULL is used when some fields are optional, and the data is unknown.
What is the difference between null value and empty value?
The value null represents the absence of any object, while the empty string is an object of type String with zero characters. If you try to compare the two, they are not the same.
Is empty and null the same?
An empty string is a string instance of zero length, whereas a null string has no value at all. An empty string is represented as "" . It is a character sequence of zero characters. A null string is represented by null .
How do you check if a value is empty or null?
You can use the IsNullOrWhiteSpace method to test whether a string is null , its value is String. Empty, or it consists only of white-space characters.