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HttpRuntimeSection.MaxRequestLength Property

Gets or sets the maximum request size.

Namespace: System.Web.Configuration
Assembly: System.Web (in system.web.dll)

'Declaration
Public Property MaxRequestLength As Integer
'Usage
Dim instance As HttpRuntimeSection
Dim value As Integer

value = instance.MaxRequestLength

instance.MaxRequestLength = value
/** @property */
public int get_MaxRequestLength ()

/** @property */
public void set_MaxRequestLength (int value)

public function get MaxRequestLength () : int

public function set MaxRequestLength (value : int)

Not applicable.

Property Value

The maximum request size in kilobytes. The default size is 4096 KB (4 MB).

Exception typeCondition

ConfigurationErrorsException

The selected value is less than RequestLengthDiskThreshold.

The MaxRequestLength property can be used to prevent denial of service attacks caused by users posting large files to the server.

TopicLocation
How to: Upload Files with the FileUpload Web Server ControlBuilding ASP .NET Web Applications
How to: Upload Files with the FileUpload Web Server ControlBuilding ASP .NET Web Applications

The following example shows how to use the MaxRequestLength property.

' Get the MaxRequestLength property value.
Response.Write("MaxRequestLength: " & _
  configSection.MaxRequestLength & "<br>")

' Set the MaxRequestLength property value to 2048 kilobytes.
configSection.MaxRequestLength = 2048

Windows 98, Windows Server 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0

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