Hashtable.Add Method

HashtableAdd Method

Adds an element with the specified key and value into the Hashtable.

Namespace: System.Collections
Assembly: mscorlib (in mscorlib.dll) Version: 4.0.0.0

Syntax

public virtual void Add(
	Object key,
	Object value
)

key: Type: SystemObject
The key of the element to add.
value: Type: SystemObject
The value of the element to add. The value can be null.

Exceptions

Exception	Condition
ArgumentNullException	key is null.
ArgumentException	An element with the same key already exists in the Hashtable.
NotSupportedException	The Hashtable is read-only.-or- The Hashtable has a fixed size.