forms

How to set boundary while using XmlHttpRequest and FormData

由 。_饼干妹妹 提交于 2020-01-12 05:25:27
问题 I am trying to set the boundary correctly in the header while using FormData to post the XmlHttpRequest: xhr.open("POST",url); xhr.setRequestHeader("Content-type","multipart/form-data; boundary=..."); var formData = new FormData(); formData.append("filename", inputId.files[0]); formData.append(...); xhr.send(formData); How do I get the boundary to be set in the request header here. I saw the request being set, the boundary is somehow created in the request. But the server has no idea on how

Pressing “Return” in a HTML-Form with multiple Submit-Buttons

由 假装没事ソ 提交于 2020-01-12 02:44:24
问题 Let's imagine a HTML-form with with two submit buttons. one of them is positioned in the upper half of the form and does something less important. the other button is the actual submit button, which saves the entered data. this button is positioned at the end of the form. the two buttons will trigger different action-urls. experienced users like to submit their forms by pressing "enter" or "return" instead of clicking on the according button. unfortunately, the browser will look for the first

How I do to force the browser to not store the html form field data?

由 与世无争的帅哥 提交于 2020-01-11 19:55:53
问题 When typing in html forms, browsers like firefox or ie store the values, sometimes quietly. So when typing in another webforms, the browser smartly suggest the same information. Another method to show the dropdown list is double-clicking an empty textbox. In a e-commerce website, the customer type the credit card number, and another sensitive information. How I do to avoid or block the browser to store that sensitive information? Another worry is about tampered form data stored (by a malware,

Wordpress: Upload Image in Admin Options Page

由 青春壹個敷衍的年華 提交于 2020-01-11 17:25:30
问题 I am developing my first wordpress plugin. It only needs to allow a user to change a logo in a custom template and change a color scheme in the custom template. I have made an admin options page and now want to add a field to allow a user to upload an image. How can I upload an image to the wp-content/uploads folder. So far, I have this within a table: <td><input name="logo_image" type="file" id="logo_image" value="" /></td> Is this the right approach? If so, how do I direct the file to the

How can I make my form resize more smoothly?

由 淺唱寂寞╮ 提交于 2020-01-11 15:51:08
问题 When resizing a form with many controls, the form looks bad because of flickering. What are some tips to have a smoother form resizing? 回答1: procedure TForm1.WMEnterSizeMove(var Message:TWMMove); begin Self.DisableAlign; end; procedure TForm1.WMExitSizeMove(var Message:TWMMove); begin Self.EnableAlign; end; 回答2: Try using WM_SETREDRAW (not LockWindowUpdate). You might also have a look at DeferWindowPos. 回答3: Complex forms are often made up of nested panels, and the repaint process may cause

How to display certain row's data in a form after clicking edit? (PHP)

由 半城伤御伤魂 提交于 2020-01-11 13:58:48
问题 enter image description hereI'm new to PHP so please don't judge :D I'm trying to make table with edit option. No matter in which row I click "Edit" button, only data from last row of the page gets loaded. What should I do? $sql = "SELECT * FROM countries LIMIT " . $this_page_first_result . ',' . $results_per_page; $result = $connection-> query($sql); echo '<div style="text-align:center; font-weight: bold;">'; for ($page=1; $page<=$num_of_pages; $page++){ echo '<a href="index.php?page=' .

JavaScript: Form onSubmit does not work when function is called 'submit'

由 感情迁移 提交于 2020-01-11 13:51:29
问题 I am trying to call a JavaScript function when the submit button of a form is clicked. For some reason, the function is not called when it is named 'submit', but when it is named anything else, it works. I should also note that when the button is taken out of the form tags, the function also works. Can anyone please explain why when it is inside the form it does not work with that name? Here is the code: <!DOCTYPE HTML> <html> <head> <script type="text/javascript"> function submit(){ console

JavaScript: Form onSubmit does not work when function is called 'submit'

由 北慕城南 提交于 2020-01-11 13:51:28
问题 I am trying to call a JavaScript function when the submit button of a form is clicked. For some reason, the function is not called when it is named 'submit', but when it is named anything else, it works. I should also note that when the button is taken out of the form tags, the function also works. Can anyone please explain why when it is inside the form it does not work with that name? Here is the code: <!DOCTYPE HTML> <html> <head> <script type="text/javascript"> function submit(){ console

JavaScript: Form onSubmit does not work when function is called 'submit'

由 ﹥＞﹥吖頭↗ 提交于 2020-01-11 13:51:22
问题 I am trying to call a JavaScript function when the submit button of a form is clicked. For some reason, the function is not called when it is named 'submit', but when it is named anything else, it works. I should also note that when the button is taken out of the form tags, the function also works. Can anyone please explain why when it is inside the form it does not work with that name? Here is the code: <!DOCTYPE HTML> <html> <head> <script type="text/javascript"> function submit(){ console

Send form data using jquery 'ajax' and html form 'action'

由 谁都会走 提交于 2020-01-11 13:43:28
问题 I'm trying to implement my form for the following two actions after it is submitted: the form action is called and the data is sent to a database also send this form data to another php file using jquery ajax It's like performing two actions using a single button, single form Here's my code: tryform.php: $(document).ready(function() { $("#parentForm").submit(function(e){ e.preventDefault(); if (!$('.formSubmitButton').hasClass('submitted')) { // disable the form to prevent multple clicks $('
订阅 forms