SessionStateItemCollection.Deserialize(BinaryReader) Method

Reference

Definition

Namespace:: System.Web.SessionState

Assembly:: System.Web.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Creates a SessionStateItemCollection collection from a storage location that is written to using the Serialize(BinaryWriter) method.

public:
 static System::Web::SessionState::SessionStateItemCollection ^ Deserialize(System::IO::BinaryReader ^ reader);

public static System.Web.SessionState.SessionStateItemCollection Deserialize(System.IO.BinaryReader reader);

static member Deserialize : System.IO.BinaryReader -> System.Web.SessionState.SessionStateItemCollection

Public Shared Function Deserialize (reader As BinaryReader) As SessionStateItemCollection

Parameters

reader: BinaryReader

The BinaryReader used to read the serialized collection from a stream or encoded string.

Returns

SessionStateItemCollection

A SessionStateItemCollection collection populated with the contents from a storage location that is written to using the Serialize(BinaryWriter) method.

Exceptions

HttpException

The session state information is invalid or corrupted

Examples

The following code example creates a SessionStateItemCollection collection from a file that was created using the Serialize method.

System.IO.BinaryReader reader = new System.IO.BinaryReader(
  System.IO.File.Open(Server.MapPath("session_collection.bin"), System.IO.FileMode.Open));

SessionStateItemCollection sessionItems = SessionStateItemCollection.Deserialize(reader);

for (int i = 0; i < sessionItems.Count; i++)
  Response.Write("sessionItems[" + i + "] = " + sessionItems[i].ToString() + "<br />");

Dim reader As System.IO.BinaryReader = New System.IO.BinaryReader( _
  System.IO.File.Open(Server.MapPath("session_collection.bin"), System.IO.FileMode.Open))

Dim sessionItems As SessionStateItemCollection = SessionStateItemCollection.Deserialize(reader)

For I As Integer = 0 To sessionItems.Count - 1
  Response.Write("sessionItems(" & i & ") = " & sessionItems(i).ToString() & "<br />")
Next

Remarks

Важливо

Calling this method with untrusted data is a security risk. Call this method only with trusted data. For more information, see Validate All Inputs.

The Deserialize method can be used to read the contents of a SessionStateItemCollection collection from the session store.

To write the contents of a SessionStateItemCollection object to the session store, use the Serialize method.

Applies to

Продукт	Версії
.NET Framework	2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1

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