AJAX :: Get XML Data From Server On Request?
Dec 13, 2010
I am in a situation where I need to get XML string of each product from server side on request, but only those tags that are added to XML at server side after the last client request. How can I determine at server side and return only newly added tags of XML of requested product to client so that only latest and relevant information could be shown at client side. And is there any way to save and keep on updating that XML data retrieved for each product on client side?
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Feb 10, 2010
We are using 2 ISA proxy servers in front of our webserver and are getting intermittant Ajax errors in our application.
Our web logs indicate that there are 407 errors occurring during the requests.
When other users hit the webserver directly this issue does not occurr and this is also not an issue in IE8 but is in IE7.
The error dialog has Sys.WebForms.PageRequestManagerParserErrorException and the details say "error parsing near '<!DOCTYPE html P'
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Jan 22, 2011
i only found websites that uses the XMLHTTP request to call an aspx page or what ever page ( make a request to a page that appears the piece of data in a div or so )but i have a question is it possible to use it to bind asp.net server controls Examples 1- bind a gridview or datalist from this XMLHTTP request 2- after click an edit button in a grid can i use XMLHTTP request to fill some text boxes and dropdowns and other asp.net server controls 3- can i use upload files using XMLHTTP request i want to know if this is possible or not because Ajax and update panels are very slow and affect the server and client performance is there another alternative if my senarios are imposible with XMLHTTP request where can i learn about this alternative if this possible where can i learn more about this XMLHTTP request with asp.net server side controls instead of ajax and updatepanel
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Mar 31, 2010
[Code]....
from above code i use UpdatePanel but when i am click on Button the request doesn't goto server but i want to send request to server.. how can i do that
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Aug 27, 2010
I'm implementing a Google like search box in my asp.net application. Each keypress in the box sends an Ajax request to IIS webmethod that queries the txt and return matches - works pretty cool. However, on loading up activity (e.g. 300 users), I'm getting errors that my 100 Pooled connections are used up. Now I'm rethinking that perhaps opening/closing a db connection on each keystroke may be too much. How would one architect this differently, or insure that the connections are reclaimed really fast. I'm have the 'using' construct for connections to insure it is closed. The concern is GC may not be reclaiming them fast enough?
How would google handle such a large open/close cycle.
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Mar 4, 2010
i'm just getting started with asp.net and ajax. My question is : is it possible to make an ajax request and simulate the server response in the code behind. in other words can the request be sent to the code behind of the same page? if it's possible haw can i perform this ?
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Feb 17, 2010
I am getting this ajax timeout error.I am using updatepanel and update progress. Locally am not getting this error but after hosting this error is coming and the page is not navigating to the next page to show the result.
I tried most of the solutions eplained like below,
http://forums.asp.net/p/1042916/2700600.aspx#2700600
http://forums.asp.net/p/1042916/3582830.aspx#3582830
http://forums.asp.net/p/1189929/2040856.aspx#2040856
http://forums.asp.net/p/1355876/2781123.aspx#2781123
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Jan 12, 2010
For example, I have three UpdatePanels on the page. I click a button, and I get pretty long response, that contains all the data for the three UpdatePanels, the viewstate string.
I want to optimize my query and receive response like "ok" or "not ok". How can I do that?
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May 6, 2010
When the user tries to upload a file with a size more than 4 MB, the AsyncFileUpload control gives a Confirmation alert (with "OK"/"Cancel" button) with the following message "Server Response error: Maximum Request Lengh Exceeded". But when the User clicks the "OK" button a new window popups and shows the server error and on clicking the cancel button the AsyncFileUpload background color turns red. Here I am not sure why the control is showing a Confirmation alert instead of a simple alert message. Is it possible to change the Confirmation alert with the simple alert message? Basically I don't want the popup window to show the server error as it is happening currently. Also, is there a better way to handle the file size error and show apporiate error message to the users?
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May 28, 2010
I am facing an issue while calling a web request thru my code. I have searched a lot on number of sites but did not get any solution.
Here is the code which I am using:
[Code]....
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Mar 29, 2011
I was trying to send a Batch request with O-data framework given below is the code sequence.
updateService = new Sys.Data.OpenDataServiceProxy("http://localhost/myservice.svc");
actionSequence = updateService.createActionSequence();
actionSequence.addUpdateAction(newWr, workRequest.__metadata.uri);
try {
actionSequence.execute(
function () {
alert("Success");
},
function (error) {
alert(error._message);
}
);
}
catch (e) {
}
but this is failing because on response in the end i am geting some extra sections such as undefined ..given below is the response that i am geting in the end u can find the last 3-4 lines and junk data. which is
undefined undefined HTTP/1.1
Host: localhost
Accept: application/json
Accept-Charset: utf-8
The RESPONSE DATA
**************************
--batch_5d5c-5276-934b
Content-Type: multipart/mixed;boundary=changeset_ef52-ebe1-2137
--changeset_ef52-ebe1-2137
Content-Type: application/http
Content-Transfer-Encoding: binary
MERGE http://localhost/myservice.svc/data('Document_dd879945-cdd8-4336-95d3-365c52c617bd') HTTP/1.1
Host: localhost
Accept: application/json
Accept-Charset: utf-8
Content-Type: application/json;charset=utf-8
{"__metadata":{"uri":"http://localhost/myservice.svc/data('Document_dd879945-cdd8-4336-95d3-365c52c617bd')","type":"Accelrys.Services.DataContracts.WorkRequest"},"VaultId":"Document_dd879945-cdd8-4336-95d3-365c52c617bd","WorkRequestId":"WR.fee0a427-0652-4493-a785-d4b81f26549c","Title":"TEst
WR from Arun PP - Modified By Arun","Project":null,"CreatedBy":"sqalab\vault.admin","VaultPath":"","CreatedOn":"Mar 27,2011","ModifiedOn":"Mar 27,2011","ModifiedBy":"sqalab\vault.admin","Status":"Not Started","NeededBy":"Dec 31,2000"}
--changeset_ef52-ebe1-2137
Content-Type: application/http
Content-Transfer-Encoding: binary
undefined undefined HTTP/1.1
Host: localhost
Accept: application/json
Accept-Charset: utf-8
--changeset_ef52-ebe1-2137--
--batch_5d5c-5276-934b--
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Jul 7, 2010
i am searching for a way to create a grid (from some kind of jquery grid plugin didnt choose one yet)
anyway i want to call a webmethod and return a json serialized from a List of an object i created.
today i just use a regular grid view inside an iframe
but i want to eliminate that iframe and create those grids with ajax requests.
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Nov 30, 2010
I have a .Net Webservice(2.0 framework) and I am trying to call this service from SQL
server 2005 using CLR.
I have created assamblies on server and trying to call the we service through CLR, but I'm getting below error:
"Exception:
Server was unable to process request. ---> Invalid URI: The URI is empty."
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Aug 19, 2010
I m having a database problem that I couldnt identify. The IIS loses connection to database once in 3 weeks. Once you restart the IIS everything is normal. Looks like IIS is fine because i can go to static pages. When I go to a page that requires database connection I get this error:
A transport-level error has occurred when sending the request to the server. (provider: TCP Provider, error: 0 - Either the application has not called WSAStartup, or WSAStartup failed.
A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)
Is this a connection string problem?. because without changing anything if I restart the webserver all is fine. Is this a problem with application state?
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Nov 4, 2010
I have asp.net application, using LINQ to connecto to SQL Server 2008 R2 databse. My connection string: Data Source=[SqlServerIp];Initial Catalog=[databaseName]User Id=newLogin;Password=newPassword; When I deploy application on my local IIS (which is not the same machine as database server)
it works fine, but when I deploy application on other IIS (the same machine as sqlServer) it throws an exception: System.Security.SecurityException: Request for the permission of type 'System.Data.SqlClient.SqlClientPermission, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. how to fix it? Maybe it is due to some bad configuration of IIS?
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Jan 19, 2011
how to make a proper ajax request in javascript function? can somebody give some clear and simple examples based on asp.net mvc technology?
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Jan 26, 2011
I need to request a series of pages and want to do from the server code as if you were doing with Ajax, I can do?,
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Sep 2, 2010
I have made web service, when it is accessed by remote computer to send me the data using this web service then the following errors shows on the remote computer:-
"Server was unable to process request..A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)"
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Feb 15, 2011
I got this error while accessing one of my site.A connection was successfully established with the server, but then an error occurred during the pre-login handshake. (provider: SSL Provider, error: 0 - Not enough memory is available to complete this request)
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Feb 21, 2011
Request.IsAuthenticated condition failed on server after I deploy the code. It is working for me when I ran from local server.
FormsAuthentication.RedirectFromLoginPage("user", True)
Session("user") = mUser
Response.Redirect("~Clients.aspx")
I am checking
Request.IsAuthenticated
in Clients.aspx page load. There it is failing.
How can I work it on server also ?.
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Jan 13, 2010
While using Ajax in web applications we use XML to transfer the data between server and client. However XSS validation comes into picture, So questions are,1. Is passing XML like this is correct?2. Are we exposed to security issues if we turn off XSS validation?3. Can passing Ajax request with header (content-type = application/xml) solve this problem ?JSON is also good approach to transfer the data but that to invoke XSS.
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May 8, 2010
I m trying to access a data after invoking a URL which redirects the output to another page with query strings.ie:
$.ajax({
url: 'http://foo.com/results/bar.aspx?fooid = 123&more=1',
success: function(data) {
[code]...
Reponse results empty. This URL is a redirect to another page with query string, I already have a page that parses the query string and write the output to a page.But response is blank.
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Apr 22, 2010
i am tring to show a div tag after do request ajax. i am using this code for do my purpose.
my html code:
[Code]....
and controller:
[Code]....
after do request ajax the div tag showing but unber the view showing a new view again
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Jan 19, 2011
i would like to update follow div with ajax request written in javascript method.
asp.mvc view:
[code]...
it schould work without any controller action.
method for FeedUpdating is written in HomeModel.cs / GetAllFeeds() and it works. I need just call it from javascript
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Jan 20, 2010
I am just wondering that, is there anyway to make an Ajax request using jquery ("$.ajax") and making partial rendering without using the .NET Ajax framework (without script manager).
I have tried this before, but it's executing the page_load every time and not reaching to the pagemethod.
[code]....
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