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MailDefinition.Subject Property

Gets or sets the subject line of the e-mail message.

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

public string Subject { get; set; }

Property Value

Type: System.String
The subject line of the e-mail message. The default is Empty.

The Subject property is used as the subject line of the e-mail message. It can be left empty.

The following code example sets the Subject property to the text entered in a TextBox control on a Web Forms page.

This code example is part of a larger example provided for the MailDefinition class.

md.Subject = sourceSubject.Text;

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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