TextBox.MaxLength Property

Gets or sets the maximum number of characters allowed in the text box.

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

[ThemeableAttribute(false)] 
public:
virtual property int MaxLength {
	int get ();
	void set (int value);
}
/** @property */
public int get_MaxLength ()

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

public function get MaxLength () : int

public function set MaxLength (value : int)

Property Value

The maximum number of characters allowed in the text box. The default is 0, which indicates that the property is not set.

Exception typeCondition

ArgumentOutOfRangeException

The specified width is less than 0.

Use the MaxLength property to limit the number of characters that can be entered in the TextBox control.

NoteNote

This property is applicable only when the TextMode property is set to TextBoxMode.SingleLine or TextBoxMode.Password.

This property cannot be set by themes or style sheet themes. For more information, see ThemeableAttribute and ASP.NET Themes and Skins Overview.

TopicLocation
How to: Set ASP.NET Web Server Control PropertiesBuilding ASP .NET Web Applications
How to: Set ASP.NET Web Server Control PropertiesBuilding ASP .NET Web Applications

The following code example demonstrates how to use the MaxLength property to limit the number of characters allowed in the TextBox control to 3.

No code example is currently available or this language may not be supported.

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

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

.NET Framework

Supported in: 2.0, 1.1, 1.0

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