I have a situation where I send jquery ajax post request but in my web application, the handler for this specific ajax request (after processing post parameters), will invoke an action in another controller ( not sure if this is called redirect) which basically renders the whole website page ( like page refresh). But I notice browser keeps display the same page instead of refreshing to the content of the new page.
The above function runs when a button on the page is clicked. But this same page keep displaying. The browser debugger shows that it did receive 200 OK response from the new action which it was supposed to refresh page with. I am using Chrome browser and jquery 1.6.1
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The server can not do a redirect from an ajax request. In the end ajax involves the client (browser). If you want to redirect you can do it, but it is going to have to be done on client side, in the callback. You can do that by returning an object from the server which contains the url you want to redirect to--- you can then you javascript to change the document's location property. I would think that this would make sense if you were not redirecting in all cases, or if your server side call was a long running process. If neither is the case then an ajax call probably doesn't make sense in the first place.
I am working on web page scraping has AJAX pagination's implemented, Since website is developed in asp i.e. page with extension .aspx I have tried submitting pagination forms to get data from other pages than first page but did not get any success, take a look here code I have used Scraping data from all asp.net pages with AJAX pagination implemented, So my question is how can I click on pagination links from php i.e. is it possible to run jQuery or javascript on server side?
No it is not possible to run jQuery on the serverside, as jQuery runs in the users web browser (inside the javascript interpreter) . You can make an Ajax call via jQuery to a PHP script which can run code on the server.
Ajax can be used to communicate with the server without page rendering and can give the user a better "Client side" experience. You can use Ajax to connect to the server and use jQuery to perform actions the return from the server.
I have contacted support and they informed that a new Citrix license server build that will address this issue is planned for release Q3 2020.
Meanwhile I was adviced to manually download jQuery from (production compressed version), replace the file on server and rename to old file name.
When data is an object, jQuery generates the data string from the object's key/value pairs unless the processData option is set to false. For example, { a: "bc", d: "e,f" } is converted to the string "a=bc&d=e%2Cf". If the value is an array, jQuery serializes multiple values with same key based on the value of the traditional setting (described below). For example, { a: [1,2] } becomes the string "a%5B%5D=1&a%5B%5D=2" with the default traditional: false setting.
If jsonp is specified, $.ajax() will automatically append a query string parameter of (by default) callback=? to the URL. The jsonp and jsonpCallback properties of the settings passed to $.ajax() can be used to specify, respectively, the name of the query string parameter and the name of the JSONP callback function. The server should return valid JavaScript that passes the JSON response into the callback function. $.ajax() will execute the returned JavaScript, calling the JSONP callback function, before passing the JSON object contained in the response to the $.ajax() success handler.
By default, Ajax requests are sent using the GET HTTP method. If the POST method is required, the method can be specified by setting a value for the type option. This option affects how the contents of the data option are sent to the server. POST data will always be transmitted to the server using UTF-8 charset, per the W3C XMLHTTPRequest standard.
The data option can contain either a query string of the form key1=value1&key2=value2, or an object of the form {key1: 'value1', key2: 'value2'}. If the latter form is used, the data is converted into a query string using jQuery.param() before it is sent. This processing can be circumvented by setting processData to false. The processing might be undesirable if you wish to send an XML object to the server; in this case, change the contentType option from application/x-www-form-urlencoded to a more appropriate MIME type.
The global option prevents handlers registered for the ajaxSend, ajaxError, and similar events from firing when this request would trigger them. This can be useful to, for example, suppress a loading indicator that was implemented with an ajaxSend handler if the requests are frequent and brief. With cross-domain script and JSONP requests, the global option is automatically set to false. See the descriptions of these methods below for more details.
There are many ways to get your data into DataTables, and if you are working with seriously large databases, you might want to consider using theserver-side options that DataTables provides. With server-side processing enabled, all paging, searching, ordering actions that DataTables performs are handedoff to a server where an SQL engine (or similar) can perform these actions on the large data set (after all, that's what the database engine is designed for!).As such, each draw of the table will result in a new Ajax request being made to get the required data.
This example shows a very simple table, matching the other examples, but in this instance using server-side processing. For further and more complexexamples of using server-side processing, please refer to the server-side processing examples.
The script used to perform the server-side processing for this table is shown below. Please note that this is just an example script using PHP.Server-side processing scripts can be written in any language, using the protocol described in the DataTablesdocumentation.
Another very common task in modern websites and applications is retrieving individual data items from the server to update sections of a webpage without having to load an entire new page. This seemingly small detail has had a huge impact on the performance and behavior of sites, so in this article, we'll explain the concept and look at technologies that make it possible: in particular, the Fetch API.
A web page consists of an HTML page and (usually) various other files, such as stylesheets, scripts, and images. The basic model of page loading on the Web is that your browser makes one or more HTTP requests to the server for the files needed to display the page, and the server responds with the requested files. If you visit another page, the browser requests the new files, and the server responds with them.
The main API here is the Fetch API. This enables JavaScript running in a page to make an HTTP request to a server to retrieve specific resources. When the server provides them, the JavaScript can use the data to update the page, typically by using DOM manipulation APIs. The data requested is often JSON, which is a good format for transferring structured data, but can also be HTML or just text.
To speed things up even further, some sites also store assets and data on the user's computer when they are first requested, meaning that on subsequent visits they use the local versions instead of downloading fresh copies every time the page is first loaded. The content is only reloaded from the server when it has been updated.
This series of files will act as our fake database; in a real application, we'd be more likely to use a server-side language like PHP, Python, or Node to request our data from a database. Here, however, we want to keep it simple and concentrate on the client-side part of this.
However, web servers tend to be case-sensitive, and the file name doesn't have a space in it. To convert "Verse 1" to "verse1.txt" we need to convert the 'V' to lower case, remove the space, and add ".txt" on the end. This can be done with replace(), toLowerCase(), and template literal. Add the following lines inside your updateDisplay() function:
So because fetch() returns a promise, we pass a function into the then() method of the returned promise. This method will be called when the HTTP request has received a response from the server. In the handler, we check that the request succeeded, and throw an error if it didn't. Otherwise, we call response.text(), to get the response body as text. e24fc04721
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