Pro EP 78 : How to check NULL or Empty conditions in C# ?

While working with strings we often need to check the empty and null conditions before proceeding further.

string.IsNullOrWhiteSpace() method is best candidate to solve such problems.

It indicates whether a specified string is null, empty, or consists only of white-space characters.

It returns true if the value parameter is null or Empty, or if value consists exclusively of white-space characters.

• IsNullOrEmpty : It checks null or blank string
• IsNullOrWhiteSpace : It checks null, blank string or arbitrary number of spaces

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