JSZip
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Download zip file using javascript
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Considering Zip, Tar, and other multi-file outputs, Blob. Now you have installed the DotNetZip library and you can verify it from 'References' folder in SolutionExplorer window. For this you can either download FileSaver.
Further we will see how we can use an ajax call for the same. Handler is used to write the del back to the page. So if u can put some light on it would be very helpful for me. If you understand both JScript and VBS it should be easy to convert it into JScript. I have showed some of the MIME types you can use in your autobus. I had the requirement in my project to get the data from database and create an Excel file and insert the data and download the file to user machine.
Using the Code We will be using DotNetZip library for zipping files. No matter the input format, download saves a file using the specified file name and mime information in the same manner as a server using a.
JSZip - Note that older browsers like FF3. Using the Code We will be using DotNetZip library for zipping files.
Now as a developer we face several issue when providing such funtionality. So we have to find a way to overcome such problems and the solution is zipping the file. Zipping files also has its own benefits apart from solving the mentioned problems like it also compress the file size thus making web bandwidth consumption low and thus increasing website as a user experience. So let's start it. Background The background is the knowledge of MVC. You should know how to add a project in MVC and add a Controller. If you wants to start with MVC first you can learn it from my other articles as listed below: As we will be using ajax so knowledge of Jquery is also pre-requisite. We will be creating a page which will be having a button that will post a ajax request to server and server will return file as a zip. Using the Code We will be using DotNetZip library for zipping files. Please visit this link We also be using javascript FileSaver. Please visit this link Now add an MVC project. I assume that you have created a HomeController and Index method in it. The index method will return a index cshtml View. Now We will add a mthod which will be invoked on click of a button from Index page. Let first add the DotNetZip library reference to our project. Now you have installed the DotNetZip library and you can verify it from 'References' folder in SolutionExplorer window. Now add the FileServer. For this you can either download FileSaver. Now follow the steps to create a working demo. Step 1: Add using reference to 'HomeController' using using Ionic. Zip; So you can see its quite simple Index method is added. Now let see the code in our CSHTML page Index. Step 2: Add Images to Image folder. Here is the image of my Project folder structure. I have added an Image folder to project and added two images into it so that I can zip these images and download. Enter your doubts in comment if any Step 3: Index. Zipping File In MVC Click on the link below to download zip file Download Till now we have a running code that will download files as a single Zip Unit with compressed size. You can download the code file in link attached with this article. Further we will see how we can use an ajax call for the same. Step 4: Updating code to download File with Ajax Call. Now this is the main step which is problematic in most cases. It is verfy tricky to download a file content ' blob' as a file and save it as a zip. For this I have added a script reference filesaver. Below is the full code. For more detail on this, you can read this. Now you have full code, you just need to build the project and run it. You have done it. Points of Interest You can convert as many as file you want into a single zip and push to client machine. You bandwidth is saved. You can also save a MemoryStream object to zip and download that. Keep in mind jquery doesn't support 'blob' till the time and we can have some workaround but using plain XmlHttpRequest is always a winner. That's all from my side for this article, comments and suggestions are welcomed.