booblueli
                <div class="dlchuangkou">

                    <p class="metingNumber">
                        会议码:<input id="txtMetingNumberID" runat="server" type="text" value="在此输入会议码" onkeypress="if(event.keyCode==13) {btnValidate.click();return false;}" onfocus="if(this.value==\'在此输入会议码\'){this.value=\'\';}" onblur="if(this.value==\'\'){this.value=\'在此输入会议码\'}" class="dltxt01" />
                    </p>
                    <p class="Numberbutton">
                        <input type="button" id="btnValidate" value="进入会议" class="dlButton" />
                    </p>
                </div>

在input文本框中回车,触发点击按钮事件,主要代码:

onkeypress="if(event.keyCode==13) {btnValidate.click();return false;}" 

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