Not
Åtkomst till den här sidan kräver auktorisering. Du kan prova att logga in eller ändra kataloger.
Åtkomst till den här sidan kräver auktorisering. Du kan prova att ändra kataloger.
Gets the value of the element that has 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 ValueProviderResult _
) As Boolean
public bool TryGetValue(
string key,
out ValueProviderResult value
)
public:
virtual bool TryGetValue(
String^ key,
[OutAttribute] ValueProviderResult^% value
) sealed
Parameters
- key
Type: System.String
The key of the element to get.
- value
Type: System.Web.Mvc.ValueProviderResult%
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 object that implements IDictionary<TKey, TValue> contains an element that has the specified key; otherwise, false.
Implements
IDictionary<TKey, TValue>.TryGetValue(TKey, TValue%)
Exceptions
| Exception | Condition |
|---|---|
| ArgumentNullException | key is null reference (Nothing in Visual Basic). |