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ASPxClientTextEdit.KeyDown Event

Occurs on the client-side when an end-user presses a key while the editor has focus.

Declaration

KeyDown: ASPxClientEvent<ASPxClientEditKeyEventHandler<ASPxClientTextEdit>>

Event Data

The KeyDown event handler receives an argument of the ASPxClientEditKeyEventArgs type. The following properties provide information specific to this event.

Property Description
htmlEvent Gets a DHTML event object that relates to the processed event.

Remarks

The editors' client-side functionality provides the ability to respond to key presses and releases made by end users. Each time an end-user presses a key while an editor has focus, the KeyDown event fires. This event can be handled to implement custom processing of the pressed key.

Using the ASPxClientEditKeyEventArgs.htmlEvent property of the event's argument, you can obtain the necessary information related to the pressed key (such as its key code, the modifier key pressed, etc).

Note

The GetText method returns a string calculated based on a current editor's value and the editor's formatting settings (mask settings, the DisplayFormatString and EditFormatString properties, etc.). In this case, it is required to synchronize a text entered by an end user with an editor's value before you use the GetText method. For example, if an editor loses focus, the editor automatically calculates (synchronizes) its value based on the entered text.

The GetText method returns an empty value or a previous editor's text if you call this method before the editor calculates its a new editor's value. For example, in the client-side UserInput, KeyDown, KeyPress, KeyUp event handlers, this method will return an empty value or a previous editor's text. In this case, obtain an editor's text directly from the editor's input element:

function OnUserInput(s, e) {  
    var currentText = s.GetInputElement().value;  
}  

See also: Bug Report: ASPxTextBox - The client-side GetText method returns an empty value if a text decoration (for example, a null text) is applied to editor

Examples

This example illustrates how to emulate the Tab key using the Enter key.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class _Default : System.Web.UI.Page {
    protected void Page_Load (object sender, EventArgs e) {

    }
    protected void btn_Click (object sender, EventArgs e) {

    }
}
See Also