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TextBox.AutoCompleteType Property

Note: This property is new in the .NET Framework version 2.0.

Gets or sets a value that indicates the AutoComplete behavior of the TextBox control

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

[ThemeableAttribute(false)] 
public virtual AutoCompleteType AutoCompleteType { get; set; }
/** @property */
public AutoCompleteType get_AutoCompleteType ()

/** @property */
public void set_AutoCompleteType (AutoCompleteType value)

public function get AutoCompleteType () : AutoCompleteType

public function set AutoCompleteType (value : AutoCompleteType)

Property Value

One of the System.Web.UI.WebControls.AutoCompleteType enumeration values, indicating the AutoComplete behavior for the TextBox control. The default value is None.

To assist with data entry, Microsoft Internet Explorer 5 and later and Netscape support a feature called AutoComplete. AutoComplete monitors a text box and creates a list of values entered by the user. When the user returns to the text box at a later time, the list is displayed. Instead of retyping a previously entered value, the user can simply select the value from this list. Use the AutoCompleteType property to control the behavior of the AutoComplete feature for a TextBox control. The System.Web.UI.WebControls.AutoCompleteType enumeration is used to represent the values that you can apply to the AutoCompleteType property.

NoteNote

Not all browsers support the AutoComplete feature. Check with your browser to determine compatibility.

By default, the AutoCompleteType property for a TextBox control is set to AutoCompleteType.None. With this setting, the TextBox control shares the list with other TextBox controls with the same ID property across different pages. You can also share a list between TextBox controls based on a category, instead of an ID property. When you set the AutoCompleteType property to one of the category values (such as AutoCompleteType.FirstName, AutoCompleteType.LastName, and so on), all TextBox controls with the same category share the same list. You can disable the AutoComplete feature for a TextBox control by setting the AutoCompleteType property to AutoCompleteType.Disabled.

Refer to your browser documentation for details on configuring and enabling the AutoComplete feature. For example, to enable the AutoComplete feature in Internet Explorer version 5 or later, select Internet Options from the Tools menu, and then select the Content tab. Click the AutoComplete button to view and modify the various browser options for the AutoComplete feature.

For more information on the AutoComplete feature in Internet Explorer, search for "Using AutoComplete in HTML Forms" in the MSDN Library.

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

The following code example demonstrates how to use the AutoCompleteType enumeration to specify the AutoComplete category for a TextBox control.


<%@ Page Language="C#" %>
<html>
  <body>
    <form runat="server">
    
      <!-- You need to enable the AutoComplete feature on -->
      <!-- a browser that supports it (such as Internet   -->
      <!-- Explorer 5.0 and later) for this sample to     -->
      <!-- work. The AutoComplete lists are created after -->
      <!-- the Submit button is clicked.                  -->
    
      <h3>AutoCompleteType example</h3>
    
      Enter values in the text boxes and click the Submit <br/>
      button. <br/><br/> 
    
      <!-- The following TextBox controls have different  -->
      <!-- categories assigned to their AutoCompleteType  -->
      <!-- properties.                                    -->
      First Name:<br/>
      <asp:textbox id="FirstNameTextBox"
        autocompletetype="FirstName" 
        runat="server"/>
      <br/>
        
      Last Name:<br/>   
      <asp:textbox id="LastNameTextBox"
        autocompletetype="LastName" 
        runat="server"/>
      <br/>
      
      Email:<br/>   
      <asp:textbox id="EmailTextBox"
        autocompletetype="Email" 
        runat="server"/>
      <br/>
      
      <!-- The following TextBox controls have the same   -->
      <!-- categories assigned to their AutoCompleteType  -->
      <!-- properties. They share the same AutoComplete   -->
      <!-- list.                                          -->
      Phone Line #1:<br/>
      <asp:textbox id="Phone1TextBox"
        autocompletetype="HomePhone" 
        runat="server"/>
      <br/>
      
      Phone Line #2:<br/>
      <asp:textbox id="Phone2TextBox"
        autocompletetype="HomePhone" 
        runat="server"/>
      <br/>

    
      <!-- The following TextBox control has its          -->
      <!-- AutoCompleteType property set to               -->
      <!-- AutoCompleteType.None. All TextBox controls    -->
      <!-- with the same ID across different pages share  -->
      <!-- the same AutoComplete list.                    -->
      Category:<br/>   
      <asp:textbox id="CategoryTextBox"
        autocompletetype="None" 
        runat="server"/>
      <br/>
        
      <!-- The following TextBox control has the          -->
      <!-- AutoComplete feature disabled.                 -->
      Comments:<br/>   
      <asp:textbox id="CommentsTextBox"
        autocompletetype="Disabled" 
        runat="server"/>
      <br/>
      <br/><br/>  
      
      <asp:button id="SubmitButton"
        text="Submit"
        runat="Server"/>
    
    </form>
  </body>
</html>


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

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