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>