form-submit | 易学教程

How to prevent duplicate form submission in ASP.NET MVC 3?

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问题 I have a razor view that renders a html form and it posts to the server. If the form values are right then it gets saved to database. After insertion, I redirect to another view where user can make further changes. Right now the user can hit browser back button and resubmit the form to create another record in db. How do I prevent duplicate submission in my MVC app? 回答1: One solution is to put a hidden "token" field on the form that's generated randomly when the form loads. When you see that

Submitting a form with JQuery Ajax results in multiple requests (and submissions)

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问题 I have run into an issue with JQuery form submissions and have found no answers anywhere . If someone could shed some light on this, it would be highly appreciated. The issue: The first time I submit the form, it works fine. But if I submit the same form a second time, it sends 2 requests, 3 requests the third time, and so forth. Script: function postInvokeFunctionForm(functionId){ var formId = "#"+functionId+"-form"; var formUrl = "invokeFunction.html?functionId="+functionId $(formId).submit

What is a good method for preventing a user from submitting a form twice?

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问题 I have a purchase page and I don't want the user to be able to refresh the page and resubmit the form once they get to the 'order complete' page because it automatically sets them up in our system via database values and charges their card via paypal (only want these to happen ONCE)... I have seen some sites that say 'Don't hit refresh or you will get charged twice!' but that is pretty lame to leave it open to possibility, what's a good way to only allow it to be submitted once or prevent

HTML form do some “action” when hit submit button

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问题 I would like to learn about HTML forms. For example, I have 2 input text fields for first name and last name and a submit button. When the submit button is clicked, I would like the webpage to display something like: Your Name is "First Name" "Last Name". <!DOCTYPE html> <html> <body> <form> First name: <input type="text" name="firstname" /><br /> Last name: <input type="text" name="lastname" /><br /> <input type="submit" value="Submit" /> </form> </body> </html> What do I need to have here

AngularJS - How do I submit a form to a controller on the server?

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问题 The cookbook form examples on the AngularJS site only save the state on the client. How do I submit to the server? Alternatively, how do I use jQuery's form.submit() on the form in the ng:click="save()" function? Edit - Found 2 ways to do this ( I also removed the HTML markup I pasted before - just refer to the advanced form cookbook example for the source) http://webpac2.rot13.org:3000/conference/Work (by Dobrica Pavlinusic) to go the AngularJS way using a resource to send the data to the

Writing a $.cookie to show a form upon submit in a multi form page

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问题 Writing a page with use of $.cookie to show a form upon submit in a multi form page. I have seen similar questions go unanswered when it got to this specific code. I have read and read, seems like this should work. Yes, very new to jquery, 1 week. I have container divs (class) each with an p toggle to show/hide each form. Upon submit I want the form to remain .show() so that errors or even response will be seen. p must be clicked to .hide form; so a person could open all the forms. I know

Identifying main submit button for a form

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问题 I have a form which has a few text boxes, and two submit buttons. When a text box is selected, and I press Enter , the first submit button is triggered. However, this is not the button that should be pressed at that time. How can I make it so that when the Enter button is pressed, the second submit button (or at least, the last occurrence of the submit button) clicked? I have an implementation of this currently using JavaScript, but I'm hoping there is a native option for it. 回答1: Its pretty

onchange this.form.submit() not working for web form

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问题 been working on this way too long...but can't seem to identify the problem. Already read dozens of articles on stackoverflow and elsewhere. when I click and change the value, it doesn't auto-submit: <form id="orderbyfrm" name="orderbyfrm" action="http://staging.whiterabbitexpress.com/" method="post" class="orderbyfrm"> <input name="s" value="<?php echo $wre_search_txt?>" type="hidden"> <label for="orderby" class="sortByLabel">Sort by </label> <select class="sortByDropdown" name="orderby" id=

onchange this.form.submit() not working for web form

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Form submit button not working in Google Chrome (jQuery Validate)

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问题 I'm using the jQuery Validate plugin on my demo page and for some reason the Submit button doesn't work in Google Chrome. I suspect it has to do with the Autofill feature but I'm not sure: Been struggling with this issue one and off for a few days now. Here's the link: Contact Form Here's a snippet of the jQuery Code. All the js used in the file can be found in: combined js code - The initializer code is at the bottom. $(function(){ /* ----- Validation ----- */ $("#contactform").validate({