我想当一个textbox有数值时,另外的一个textbox就变成readonly 状态
写了下面一段东西 但没有效果~~~~求指点!!
<script language="javascript" type="text/javascript">
<!--
function setSeqNoStatus()
{
var objtxt1 = document.getElementById("TextBox1");
var objtxt2 = document.getElementById("TextBox2");
if (objtxt1.value != ''){
objtxt2.readOnly=true;
}
if (objtxt2.value != ''){
objtxt1.readOnly=true;
}
}
-->
</script>
写了下面一段东西 但没有效果~~~~求指点!!
<script language="javascript" type="text/javascript">
<!--
function setSeqNoStatus()
{
var objtxt1 = document.getElementById("TextBox1");
var objtxt2 = document.getElementById("TextBox2");
if (objtxt1.value != ''){
objtxt2.readOnly=true;
}
if (objtxt2.value != ''){
objtxt1.readOnly=true;
}
}
-->
</script>
if($.trim($("#TextBox1").var()) != "")
{
$("#TextBox1").attr("disabled","disabled");
}
</body>
function setSeqNoStatus()
{
var objtxt1 = document.getElementById("TextBox1");
var objtxt2 = document.getElementById("TextBox2");
if(objtxt1.value != "")
{
objtxt2.readOnly=true;
}
if(objtxt2.value != "")
{
objtxt1.readOnly=true;
}
}
</script>
</head>
<body onload="setSeqNoStatus()">
<form id="form1" runat="server">
<div>
<asp:TextBox ID="TextBox1" runat="server">aaaaa</asp:TextBox>
<asp:TextBox ID="TextBox2" runat="server"></asp:TextBox>
</div>
</form>
</body>
</html>lz 可以实现的啊