IdentityExtensions.FindFirstValue Method
Return the claim value for the first claim with the specified type if it exists, null otherwise.
Namespace: Microsoft.AspNet.Identity
Assembly: Microsoft.AspNet.Identity.Core (in Microsoft.AspNet.Identity.Core.dll)
Syntax
'Declaration
<ExtensionAttribute> _
Public Shared Function FindFirstValue ( _
identity As ClaimsIdentity, _
claimType As String _
) As String
'Usage
Dim identity As ClaimsIdentity
Dim claimType As String
Dim returnValue As String
returnValue = identity.FindFirstValue(claimType)
public static string FindFirstValue(
this ClaimsIdentity identity,
string claimType
)
[ExtensionAttribute]
public:
static String^ FindFirstValue(
ClaimsIdentity^ identity,
String^ claimType
)
static member FindFirstValue :
identity:ClaimsIdentity *
claimType:string -> string
public static function FindFirstValue(
identity : ClaimsIdentity,
claimType : String
) : String
Parameters
- identity
Type: ClaimsIdentity
- claimType
Type: System.String
Return Value
Type: System.String
Returns String.
Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type ClaimsIdentity. When you use instance method syntax to call this method, omit the first parameter. For more information, see https://msdn.microsoft.com/en-us/library/bb384936(v=vs.111) or https://msdn.microsoft.com/en-us/library/bb383977(v=vs.111).