ViewDataDictionary.ContainsKey Method

Determines whether the collection contains an element that has the specified key.

Namespace:  System.Web.Mvc
Assembly:  System.Web.Mvc (in System.Web.Mvc.dll)

'Declaration
Public Function ContainsKey ( _
	key As String _
) As Boolean
'Usage
Dim instance As ViewDataDictionary 
Dim key As String 
Dim returnValue As Boolean 

returnValue = instance.ContainsKey(key)

Parameters

key
Type: System.String

The key of the element to locate in the collection.

Return Value

Type: System.Boolean
true if the collection contains an element that has the specified key; otherwise, false.

Implements

IDictionary(Of TKey, TValue).ContainsKey(TKey)

ExceptionCondition
ArgumentNullException

key is Nothing.

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