as
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is
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Is Operator is used to check the Compatibility of an Object with a given Type and it returns the result as a Boolean (True or false).
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As Operator is used for Casting of Object to a given Type or a Class.
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Ex:
if (someObject is StringBuilder) ...
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Ex:
object x = 5;
// int y = x as int; // not allowed becoz of int : value type
int? y = x as int?; // allowed becoz of nullable type
Ex.
Student s = obj as Student;
is equivalent to:
Student s = obj is Student ? (Student)obj : (Student)null;
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as operator should be used with Reference Type or nullable type
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Friday, March 4, 2016
Difference between as and is in C#
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