复制代码 代码如下:

<script type="text/javascript" language="javascript">

var prm = Sys.WebForms.PageRequestManager.getInstance();

prm.add_endRequest(function () {

// re-bind your jquery events here

$(document).ready(function () {

//begin

var span = $("input[id*='txtSpan']");

span.focusout(function () {

var greaterthenzero = (span.val() == 0);

if (span.val() == 0) {

$("#spRule").show();

$("input[id*='btnSave']").attr("disabled","disabled");

}

else {

$("#spRule").hide();

$("input[id*='btnSave']").removeAttr("disabled");

}

});

//end

});

}

);

</script>