我正在使用此处找到的增量页面加载模式。
我有一个加载并显示旋转轮指示器的主页面,并调用另一个辅助页面。该页面在主页中显示 HTML 就好了。但是,我需要一段 javascript 来运行,它是由辅助页面通过ScriptManager.RegisterStartupScript(blah, blah);
.
我在辅助页面注入的 HTML 底部看到了脚本管理器生成的脚本,但它没有执行。当我直接向二级页面发出请求时,Javascript 运行良好。我什至尝试将注入的脚本包装在一个函数中并从主页调用该函数,但主页显示该函数未定义。
编辑:这是主页代码:
<script language="javascript" type="text/javascript">
var slat;
var slong;
function check() {
if (navigator.geolocation) {
navigator.geolocation.getCurrentPosition(function (position) {
// PageMethods.SetSession(position.coords.latitude, position.coords.longitude);
slat = position.coords.latitude;
slong = position.coords.longitude;
callEventsService(position.coords.latitude, position.coords.longitude);
});
}
}
function callEventsService(lat, slong) {
var progress = $get('progress');
progress.style.display = '';
PageMethods.SetSession(lat, slong, eventsCallback);
}
function eventsCallback(result) {
var progress = $get('progress');
progress.style.display = 'none';
GetWebRequest('IncrementalEvent.aspx')
}
function GetWebRequest(getPage) {
var wRequest = new Sys.Net.WebRequest();
wRequest.set_url(getPage);
wRequest.set_httpVerb("GET");
wRequest.set_userContext("user's context");
wRequest.add_completed(OnWebRequestCompleted)
wRequest.invoke();
}
function OnWebRequestCompleted(executor, eventArgs) {
if (executor.get_responseAvailable()) {
var grid = document.getElementById("grid");
grid.innerHTML += executor.get_responseData();
//calldisplaymap(); <-- DOESNT WORK, Function not defined
}
else {
if (executor.get_timedOut()) {
alert("Timed Out");
}
else {
if (executor.get_aborted())
alert("Aborted");
}
}
}
</script>
这是二级页面加载
protected void Page_Load(object sender, EventArgs e)
{
List<GenericEvent> ge = (List<GenericEvent>)Session["publicevents"];
lvevents.DataSource = ge;
lvevents.DataBind();
ExtractEventsToMap(ge);
}
protected void ExtractEventsToMap(List<GenericEvent> lEvents)
{
...........<stuff>........
ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "PointArrays", sb.ToString(), true);
ScriptManager.RegisterStartupScript(this, this.GetType(), "showmap", "function calldisplaymap(){displaymap(" + Session["lat"].ToString() + "," + Session["long"].ToString() + ")};", true);
}