Specifies the field name that uniquely identifies each object within the collection. As opposed to the ordinal/index position or distinct field, the key field provides another method of accessing a particular object within the collection. The key field must be unique within the collection. If the SubsetAttribute has been specified then the key field only needs to be unique within the subset, not the entire table. Specifying this attribute is optional.

Returns a value that indicates whether this instance is equal to a specified object.

Allows an Object to attempt to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection.

Returns the hash code for this instance.

Gets the Type of the current instance.

When overridden in a derived class, indicates whether the value of this instance is the default value for the derived class.

When overridden in a derived class, returns a value that indicates whether this instance equals a specified object.

Creates a shallow copy of the current Object.

Returns a String that represents the current Object.

When implemented in a derived class, gets a unique identifier for this Attribute.