文本框中输入Enter键 激发某个按钮的Click事件

 

在cs文件中引入命名空间

Using System.web.ui.webcontrols;

Using System.web.ui.htmlControls;

/// <summary>

        /// 在¨²文?本À?框¨°中D回?车¦Ì键¨¹运?行D按ã¡ä钮£¤事º?件t

        /// </summary>

        /// <param name="page">按ã¡ä钮£¤和¨ª文?本À?框¨°所¨´在¨²页°3面?</param>

        /// <param name="TextBoxToTie">文?本À?框¨°</param>

        /// <param name="ButtonTotie">指?定¡§的Ì?按ã¡ä钮£¤ </param>

        public void TieButton(Page page, Control TextBoxToTie, Control ButtonTotie)

        {

            //初?始º?JS脚?本À?代䨲码?

            string jsString = "";

            //检¨¬查¨¦按ã¡ä钮£¤类¤¨¤型¨ª并¡é且¨°获?得Ì?指?定¡§JS脚?本À?

            if (ButtonTotie is LinkButton)

            {

                jsString = "if((event.which && event.which == 13 ) || (event.keyCode && event.keyCode == 13)){"

                + page.ClientScript.GetPostBackEventReference(ButtonTotie, "").Replace(":", "$") + ";return false;} else return true;";

            }

            else if (ButtonTotie is ImageButton)

            {

                jsString = "if((event.which && event.which == 13) || (event.keyCode && event.keyCode == 13)){"

                + page.ClientScript.GetPostBackEventReference(ButtonTotie, "").Replace(":", "$") + ";return false;} else return true;";

            }

            else

            {

                jsString = "if((event.which && event.which == 13) || (event.keyCode && event.keyCode == 13)){"

                + "document.forms[0].elements['" + ButtonTotie.UniqueID.Replace(":", "_") + "'].click();return false;} else return true;";

            }

            //判D断?控?件t的Ì?类¤¨¤型¨ª的Ì?并¡é且¨°加¨®入¨?对?应®|的Ì?JS脚?本À?

            if (TextBoxToTie is HtmlControl)

            {

                ((HtmlControl)TextBoxToTie).Attributes.Add("onkeydown", jsString);

            }

            else if (TextBoxToTie is WebControl)

            {

                ((WebControl)TextBoxToTie).Attributes.Add("onkeydown", jsString);

            }

        }

例如在文本框TxtName中输入Enter键 激发BtnSub 的点击事件

TieButton(this.Page,TxtName,BtnSub);