ViewDataDictionary.TryGetValue Method
Attempts to retrieve the value that is associated with the specified key.
Namespace: System.Web.Mvc
Assembly: System.Web.Mvc (in System.Web.Mvc.dll)
Syntax
'Declaration
Public Function TryGetValue ( _
key As String, _
<OutAttribute> ByRef value As Object _
) As Boolean
public bool TryGetValue(
string key,
out Object value
)
public:
virtual bool TryGetValue(
String^ key,
[OutAttribute] Object^% value
) sealed
Parameters
- key
Type: System.String
The key of the value to get.
- value
Type: System.Object%
When this method returns, the value that is associated with the specified key, if the key is found; otherwise, the default value for the type of the value parameter. This parameter is passed uninitialized.
Return Value
Type: System.Boolean
true if the collection contains an element with the specified key; otherwise, false.
Implements
IDictionary<TKey, TValue>.TryGetValue(TKey, TValue%)
Exceptions
| Exception | Condition |
|---|---|
| ArgumentNullException | key is null reference (Nothing in Visual Basic). |