HttpPostedFile.ContentLength Property (System.Web)

ContentLength Property

.NET Framework Class Library

HttpPostedFile..::.ContentLength Property

Gets the size of an uploaded file, in bytes.

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

Syntax

Visual Basic (Declaration)

Public ReadOnly Property ContentLength As Integer

Visual Basic (Usage)

Dim instance As HttpPostedFile
Dim value As Integer

value = instance.ContentLength

public int ContentLength { get; }

Visual C++

public:
property int ContentLength {
    int get ();
}

JScript

public function get ContentLength () : int

Property Value

Type: System..::.Int32
The file length, in bytes.

Platforms

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

Version Information

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

Reference

HttpPostedFile Class

HttpPostedFile Members

System.Web Namespace

ContentType

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Annotations

Use the ContentLength property to ensure that an uploaded file size falls within a certain range

CSharpUniversity.com | Edit | Show History

You can have some back-end business rules that control the aspects of the file upload, like the file size. To learn more read here:
http://www.csharpuniversity.com/2009/03/05/uploading-files-and-validating-them-using-the-aspnet-fileupload-and-customvalidator-controls/