建议的建议 [英] ned suggestion

问题描述

有人可以告诉我关于如何使用javazcript在按键事件期间突出显示文本框的建议吗?

Can any one tell me the suggestion on how to highlight the textbox during key press event using javazcript

推荐答案

这里是:

<input type="button" runat="server" id="btnTest" onkeypress="HighLightTextBox()" />

function HighLightTextBox()
{
document.getElementById("textTextboxEditTemplate"+i).style.borderColor = "maroon" ;
}

如果要将相同的脚本应用于< asp:button>您可以将onkeypress作为属性添加到文件后面代码中的按钮上.

If you want to apply the same script to <asp:button> you can add the onkeypress as an Attributes to button in code behind file.

这里是示例.立即检查.

< input type ="text" id ="txtBox" onkeypress ="javascript:this.style.backgroundColor ="''#FF0000;" >

Here is example. check it now.

<input type="text" id="txtBox" onkeypress="javascript:this.style.backgroundColor=''#FF0000'';" >

检查此示例代码

check this example code

<script language="javascript">
    validateTextBox={
        init:function(){
            var box = document.getElementById('<%=txtBox.ClientID%>');
            box.onkeyup=validateTextBox.validate;
        },
        validate:function(e){
            var evt = e || window.event;
            var chr = evt.keyCode;
            var trget = evt.target || evt.srcElement;
            if((chr<96||chr>105)&&(chr<48||chr>57)){
                trget.style.backgroundColor = '#FF0000';
            }
            if(isNaN(trget.value)) {
                trget.style.backgroundColor = '#FF0000';
            }
            else{
                 trget.style.backgroundColor = '';
            }
        },
        addLoadEvent: function (func) {
            var oldonload = window.onload;
            if (typeof window.onload != 'function') {
                window.onload = func;
            }
            else {
                window.onload = function () {
                    oldonload();
                    func();
                }
            }
        }
    }
    validateTextBox.addLoadEvent(validateTextBox.init);
    </script>

< asp:textbox id ="txtBox" runat ="server">

<asp:textbox id="txtBox" runat="server">

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