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ISessionIDManager.Validate Method

Confirms that the supplied session identifier is valid.

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

bool Validate(
	string id


Type: System.String

The session identifier to validate.

Return Value

Type: System.Boolean
true if the session identifier is valid; otherwise, false.

The Validate method verifies that the supplied id is a valid session identifier.

Your ISessionIDManager implementation should call the Validate method from the GetSessionID method when retrieving a session identifier from an HTTP request to ensure that the supplied session identifier is properly formatted.

The following code example implements the Validate method and ensures the session-identifier value is a valid Guid.

public bool Validate(string id)
    Guid testGuid = new Guid(id);

    if (id == testGuid.ToString())
      return true;

  return false;

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

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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