我一直在尝试使用Javascript设置隐藏输入的值,然后从我的C#代码隐藏中访问该值.当我运行下面复制的代码时,分配给assignedID的值是"",我假设它是隐藏输入的默认值.如果我在html标记中手动设置值,则assignIDs设置为该值.
这个行为告诉我,在onClientClick和onClick事件触发之间输入的值被重置(重新渲染？).
我很感激任何有关此事的帮助.我花了好几个小时试图解决看似非常简单的问题.
HTML/JavaScript的:
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Admin Page - Manage Tasks</title>
<script language="javascript" type="text/javascript">
function PopulateAssignedIDHiddenInput() {
var source = document.getElementById('assignedLinguistListBox');
var s = "";
var count = source.length;
for (var i = count - 1; i >= 0; i--) {
var item = source.options[i];
if (s == "") { s = source.options[i].value; }
else { s = s.concat(",",source.options[i].value); }
}
document.getElementById('assignedIDHiddenInput').Value = s;
// I have confirmed that, at this point, the value of
// the …