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ClaimsIdentity.HasClaim Method (String, String)

.NET Framework 4.5

Determines whether this claims identity has a claim with the specified claim type and value.

Namespace:  System.Security.Claims
Assembly:  mscorlib (in mscorlib.dll)

abstract HasClaim : 
        type:string * 
        value:string -> bool  
override HasClaim : 
        type:string * 
        value:string -> bool


Type: System.String

The type of the claim to match.

Type: System.String

The value of the claim to match.

Return Value

Type: System.Boolean
true if a match is found; otherwise, false.


type is null.


value is null.

Does not check the Issuer or OriginalIssuer properties. The comparison is made using Ordinal, case sensitive on value; case in-sensitive on type.

.NET Framework

Supported in: 4.6, 4.5

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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