ajax-forms | 易学教程

ASP.NET MVC Ajax Form LoadingElementId

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问题 Can anyone please tell how do I reference the loading element id? I guess I have to write an id of an html element such as a div or an img but I can't put a div or img invisible until it is necessary and I also can't even make it work. I know I am far away from the answer. Please help! 回答1: visibility:hidden has not worked for me. The problem was solved by display:none 回答2: I got the answer a long time ago. I just need to set the div style to visibility:hidden and write its id and the loading

Rails: submit (via AJAX) when drop-down option clicked

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问题 What is the easiest and most graceful way to auto-submit an AJAX form when a drop-down box's option is selected? I'm creating an administration page where the admin can modify user permissions (where "permissions" is stored as an integer), and I would like the "permissions" field to be a drop-down box that automatically submits and updates when the administrator clicks on the option he wants the user to have. Here's the stripped-down version of what I'm currently looking at. I need to know

JQuery AJAX sending files array from form

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问题 I got this code somewhere to upload pics without refreshing the browser. However I didn't like the uploader file so I decided to use the old one I used to work with. The problem is that it is sending an array instead of a string from the javascript file (it was intended to be sent multiple files instead of only one). Here is the code that makes the array: input.addEventListener("change", function (evt) { document.getElementById("response").innerHTML = "Loading . . ." var i = 0, len = this

JQuery AJAX sending files array from form

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I got this code somewhere to upload pics without refreshing the browser. However I didn't like the uploader file so I decided to use the old one I used to work with. The problem is that it is sending an array instead of a string from the javascript file (it was intended to be sent multiple files instead of only one). Here is the code that makes the array: input.addEventListener("change", function (evt) { document.getElementById("response").innerHTML = "Loading . . ." var i = 0, len = this.files.length, img, reader, file; for ( ; i < len; i++ ) { file = this.files[i]; if (formdata) { formdata