Is it possible to measure the elapsed time from when a user clicks an 'ajaxified' button until the ajax controls are updated?
I'm using ASP.Net v4, Visual Studio 2010, C#, and the MS AjaxToolkit.
Let's say I have a Label on my page. In PageLoad() it's Text parameter is set to "This is my first text".
After, for example, 1 minute I want this Label to change it's text parameter to "This is my second text" (completely automatically, without any interaction of a user with this site).
I am trying to check how much time does a function takes to execute in my code :
I did this :
void foo()
{
int time = System.DateTime.Now.Millisecond;
// code of my function. do this, that, etc.
Console.WriteLine((System.DateTime.Now.Millisecond-time).ToString());
}
What i get is this :
-247
I don't understand why minus ?? & If pro-filer is an option then recommend me some simple option.
Note : Here I have shown a console app but in practice i need for a Web App in ASP.NET which may be n-tier architecture also.
I have 2 fields being displayed in a Gridview, StartTime, EndTime. I want to create a 'Time" column which shows the elapsed time in HH:MM format. (StartTime - EndTime) This was all generated with VS2008, table is pulled from an SQL Query.
View 1 RepliesI have a very simple page with which a user uploads a file. Using only server-side C# (e.g. the code-behind), how can I measure the amount of time the user had to wait for the file to upload?
View 3 RepliesI would like to check how long an ASP.NET page takes to execute (server stuff obviously, not interested in how long it takes to throw the results down the line and for the browser to render them at this stage).
Having done some searching, I came across http:[URL] which shows how to do just this. Trouble is, it doesn't work for me. I copied the code exactly, but the execution time is always zero.
I tried enabling tracing, and that showed an elapsed time between Page_Init and Page_PreRender, but the values returned by Environment.TickCount were exactly the same in both events, so the elapsed time was 9obviously) zero.
my app requires an elapsed time calculation that I have done like this
CONVERT(Varchar, (DATEPART(dd, GETDATE() - DateAdded)-1) * 24 +
DATEPART(hh,GETDATE() - DateAdded)) + 'h:' + CONVERT(Varchar, DATEPART(mi, GETDATE() - DateAdded)) + 'm' AS ElapsedTime
This works.. I can then colour my grid view cells accordingly using the substring function.. the problem is that I have been told that using GETDATE three times is not a good use of resources, is it possible to use the Datediff function to get the same result?
I am want to develop a quiz site using MVC 2. A single page will display only one question. The examinee will select or type the answer and press Next button to proceed.
My business logic on the server side will record the time elapsed between two consecutive page requests. This time elapsed must not be tempered by any means to make a reliable diagnostic report.
I have a web service in ASP.NET being called by a time-sensitive process. If the web service takes longer than N seconds to run I want to return from the call so the time sensitive operation can continue. Is this possible and if so what is the code for this?
View 2 RepliesHow can I getting Session Elapsed Time?
View 5 RepliesI am using the System.Timers.Timer class. And I enable when I send a message and disable when I receive the message. How do I calculate how much time has elapsed. I have set the interval as 1 sec
Basically I retransmit data after 1000 sec again if I do not recive an ACK. I retransmit 5 times max until I get a Ack. If I receive and something before 150ms then I stop retrnsmission.
Here's the code:
timer1.interval = 1000;
port.Write(data)
timer1.enabled = true;
event handler for the received data.
timer1.enabled=false;
i have simple form which consists of 2 labels and 2 buttons, the first label will display the current time and second label will display the cached time for 2 mins which is absolute..
no w when i click on first button only current time have to get update,, and when i click on second button both current time cached time have to be updated even though the cached time of 2 mins not elapsed also.
We have an ASP.NET web app talking to WCF for data. After resolving a number of service and db level performance issues, we turned to look at the web app itself.
After running a profile while hitting a few common pages, ProcessRequest is at the top of the list as far as elapsed exclusive time (which means time just in that method and any kernel code if I'm not mistaken)
Function Name
Elapsed Inclusive Time
Elapsed Exclusive Time
System.Web.UI.Page.ProcessRequest(class System.Web.HttpContext)
31,573.64
17,915.56
Viewstate sizes are not severe, prob 60k at most for fattest page.
am getting "Time Out Expired,The Timeout period elapsed prior to obtaining a connecttion from pool".Please suggest suddenly i am getting this error in 10% of the pages.
View 2 RepliesI am writing a program to measure the latency(response round trip time) for a web service. I need to have this at client side.
My initial plan is to store the time at which request is sent and then calculate the difference in time when we recieve a response from the web service. Is this the correct way to measure latency of web service. This has some overhead because of storing time and all. How can this be done?
Another option is to attach a timestamp with the SOAP request. But the server should return the timestamp. This will not be possible in case of third party web services.
I'm playing around with storing application settings in my database, but I think I may have created a situation where superfluous roundtrips are being made. Is there an easy way to view roundtrips made to an MS Access (I know, I know) backend?
I guess while I'm here, I should ask for advice on the best way to handle this project. I'm building an app that generates links based on file names (files are numbered ints, 0-5000). The files are stored on network shares, arranged by name, and the paths change frequently as files are bulk transfered to create space, etc.
Example:
Files 1000 - 2000 go to /path/1000s
Files 2001 - 3000 go to /path/2000s
Files 3001 - 4000 go to /path/3000s
etc
I'm sure by now you can see where I'm going with this. Ultimately, I'm trying to avoid making a roundtrip to get the paths for every single file as they are displayed in a gridview.
I'm open to the notion that I've gone about this all wrong and that my idea might be rubbish. I've toyed around with the notion of just creating a flat file, but if I do that, do I still run into the problem of having that file opened and closed for every file displayed in a gridview?
I noticed that with some of the data controls (like gridview and listview) the page loses focus when you click edit, update, etc. So if your data control is somewhere lower on your page, you'd have to scroll down to get to it again. Is this normal or is there a way to keep the focus or location on where you were previously?
View 2 RepliesWhenever a postback would occur (AJAX'ed by an UpdatePanel) I want to do a callback beforehand and only after the callback has completed (either successfully or not) should the postback occur. How can I do this?
Elaborate explanation: We use ASP.NET AJAX (UpdatePanel 'n stuff) together with DevExpress controls. Among those controls is the ubiquitous GridView. As is typical with ASP.NET gridviews, you can edit rows one-by-one, and to save your changes you have to hit the "update" button at the end of the row. However if you make some changes to the row, then forget to press the "update" button, and hit something else in the page (say the big red SAVE button that causes a postback and saves the whole form to the DB), your changes will be lost. The row will still be in edit mode, but it will have reset to the data it had initially when you started the edit.
Our clients are not happy with this and want the row to be saved automatically if the user forgets to do so himself. Luckily the DevExpress gridview is smart enough to have an "Update()" method which I can call from JavaScript. Unluckily that causes a callback and returns immediately. If I allow the postback to continue as normally, the callback will get aborted. Well, technically it's a race condition I guess, but so far it seems that the postback wins. There are events to which I could attach for success/failure of the callback, but I don't know how to "resume" the postback that started it all. We could turn off callbacks for all the grids, but that would be a performance disaster.
I need to send som parameters to the callback function of my AJAX call, how can i do that: ex.
[Code]....
I have a updatepanel which contains of a few dynamically created ImageButtons (the ImageButtons are placed in a panel inside the updatepanel) Since the imagebuttons are children of the updatepanel they automatically triggers a callback to server, fine. But I want the user to be able to cancel the callback after clicking on the imgbutton, preferably through a javascript window.confirm.
I have managed to make it work with a jquery function returning false (i dont know why it works, dont really understand asp.net ajax functionality) but it only works until a callback is done, then I guess I have to rebind the jquery to the controls in the updatepanel or?this turned out to be a jquery question. How do I rebind the recently loaded controls in my updatepanel to my jqyery function? the controls all have the same class and I use that to trigger the jquery function.
aspx file
..
..
$('.myImgButtons').click(function(){
if(window.confirm('Cancel callback?') )
return false;
});
..
..
<asp:UpdatePanel ..... >
<ContentTemplate>
<asp:panel id="myPanel" ........ ></asp:Panel>
</ContentTemplate>
<Triggers>
..whatever..
</Triggers>
</asp:UpdatePanel>
aspx.cs file
..
..
ImageButton dyn_ImgButton = new ImageButton();
dyn_ImgButton.Attributes.Add("class", "myImgButtons");
add dyn_ImgButton to myPanel
..
..
I'm using ajax to call a webmethod from javascript. The call is successfully made to the webmethod but I'm not able to access the parameters I passed to the webmethod inside of the "OnSucceeded" callback method. I need access to those params because I need to perform more tasks on the client side when the webmethod returns. I'm assuming that the params are returned inside "usercontext", but the value of that param is "null" How can I have access to those params?
Here my sample code:
function OnSucceeded(result, usercontext , methodName)
{
alert( result + ' The value of usercontext is: ' + usercontext);
}
function OnFailed(error, userContext, methodName)
{
alert('Attempt to delete semantic attribute from page failed!');
}
function deleteSemanticAttribute()
{
var username = 'xxxxxx';
var password = 'yyyyyy'
PageMethods.GetMyData(username, password, OnSucceeded,OnFailed);
}
[WebMethod]
public static string GetMyData(string username, string password)
{
return "This is my test application!";
}
why a ModalPopup.Show() wouldn't do anything (wouldn't result in showing anything) if called in a server side event handler for a callback ?
View 2 RepliesI have updatePanel in my ASP.NET 2.0 (migrated from ASP.NET 1.1) web app. It doesn't work as it always postback instead of callback. I already set<xhtmlConformance mode="Transitional" /> but still not working. Previously, it just working.
[Code]....
I have Russian blog built with BlogEngine.NET 1.5.
I use Russian words in links encoded with URLEncode, so links are human-readable in most browsers - FF, Chrome, Opera (except for IE, but this is not the real problem with this browser). This idea is not mine, I borrowed it from Wikipedia - it uses encoded URLs on localized sites.
The real problem is that when I am trying to add comment in IE8 it fails (and only on production machine, development environment works fine).
Using Fiddler I found out that IE tries to send AJAX callback using WebForm_DoCallback to wrong address - it seems that it decodes URL, gets wrong characters and asks page with that wrong address from server and (of course) receives 404.
Here is how incorrect request from IE looks in Fiddler:
POST /ru/post/�������������-�����.aspx HTTP/1.1
Here is how FF makes same request and gets correct response:
POST /ru/post/%D0%92%D1%81%D1%82%D1%83%D0%BF%D0%B8%D1%82%D0%B5%D0%BB%D1%8C%D0%BD%D0%BE%D0%B5-%D1%81%D0%BB%D0%BE%D0%B2%D0%BE.aspx HTTP/1.1
I upgraded solution from default ASP.NET 2.0 for BE to ASP.NET 3.5 but this changed nothing. I made some minor changes in BE to allow properly encoded UTF links - by default it wipes out percent symbol from links.
what wrong is with IE behavior here and how to fix it? Why development environment under ASP.NET Development works different from production machine under IIS6? Why IE does not decode link in address bar (like other browsers) but does it when making request?
I'm having this wierd issue I hope you could help me with.I have two drop down lists in my page, and an accordion.When a value is chosen for the first DDl it loads specific values from my database into the second ddl.I've put the second one inside an Update panel, and added the first DDL as AsyncTrigger, so whenever someone chooses a value from the first DDL it loads the second one without refreshing the page.After a value has been chosen for the second DDl the accordion should be populated with data.I've ran some tests and noticed that choosing a value from the second DDL won't populate the accordion, so I've added another PostBack trigger to the second DDL- the ddl itself.Sometimes it works fine- I choose a value from ddl2 and the accordion shows fine, but sometimes I get this error message:Invalid postback or callback argument. Event validation is enabled using <pages enableEventValidation="true"/> in configuration or <%@ Page EnableEventValidation="true" %> in a page. For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them. If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation."Before putting the second ddl inside the update panel everything worked well so I'm a bit baffled here.
View 3 Replies