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HttpResponse.AddFileDependency(String) Method

Definition

Adds a single file name to the collection of file names on which the current response is dependent.

public:
 void AddFileDependency(System::String ^ filename);
public void AddFileDependency (string filename);
member this.AddFileDependency : string -> unit
Public Sub AddFileDependency (filename As String)

Parameters

filename
String

The name of the file to add.

Examples

The following example shows how to add a single file name to the AddFileDependency file dependency list. If the file changes, the cached response is invalidated.

String FileName;
 FileName = "C:\\Files\\F1.txt";
 Response.AddFileDependency(FileName);

Dim FileName As String
 FileName = "C:\Files\F1.txt"
 Response.AddFileDependency(FileName)
    

Remarks

When you use the AddFileDependency method to add a file dependency, you must also specify output caching programmatically or declaratively. For example, to specify output caching declaratively, use the @ OutputCache directive. For more information, see How to: Cache Page Output with File Dependencies.

Applies to

See also