forms

问题 When I made a query, first only records with entries in all of the related tables where showing. I was able to change this behavior by changing the join properties (to a left join). I want the same behavior for the form: all of the records should be accessible through the form. However, I don't find a way to change the join-type for forms. How can this be done? 回答1: In your query designer, double click the line that represents the join, it should give you a button called Join Type or

问题 I'm having a terrible time trying to get my contact form to work. I have almost no php experience. I am trying to make this form e-mail to myself but have no idea what I am doing basically. I need it to e-mail a copy of the form to my e-mail and also make sure the checkboxes show which boxes were clicked. If anyone could help I would appreciate it. Here is my html <form name="htmlform" method="post" action="send_form_email.php"> <table width="561"> <tr> <td width="212" align="right" valign=

问题 For a web form like this, I can always use 'name': 'value' to submit the button. <form action="/login.php" method="post"> <button name="Submit_Button" type="submit" value="Submit">Press Here to Submit</button> </form> Python Code >>> import requests >>> url = 'https://127.0.0.1/login.php' >>> payload = {'username': 'user123', 'passwd': 'pwd123', 'Submit_Button': 'Submit'} >>> r = requests.post(url, data=payload, verify=False) >>> r <Response [200]> >>> r.url 'https://127.0.0.1/successful.php'

问题 This isn't pretty, but I think you'll get what I'm trying to do. <label><input name="jpgSel" type="radio" value="0">jpg 1</label><br /> <label><input name="jpgSel" type="radio" value="1">jpg 2</label><br /> <div id="showjpg"></div> and $(document).ready(function() { $("select").change(function () { if ($("jpgSel:checked").val() == 1) { $('#showjpg').attr({ src: 'one.jpg', alt: 'one dot jpg' }); } else { $('#showjpg').attr({ src: 'two.jpg', alt: 'two dot jpg' }); } }); 回答1: You have several

问题 Today I've been working on a HABTM association between my Plugins and Categories. I got it almost working, but run into trouble with the collection_select . I have a select in my form and I succesfully call all the existing Categories, but when I submit the form, a new Category is created. For example I select the category Synthesizer. When I submit, I suddenly have two categories called Synthesizer. How can I make it so that the Plugin is associated with the Category, but does not create a

问题 I have a very long form with groups of fields. When a radio field is selected, I need it to also select several "hidden" fields in the same div and to pass those values on submission. If another radio is selected, than these hidden fields need to clear, and instead the other group's are selected. Example 1 - Radio 1 is selected which selects all hidden fields in same div/fieldset: Group A: Radio 1 (checked) Hidden Field 1a (checked) Hidden Field 1b (checked) Hidden field 1c (checked) Group B:

问题 I have a very long form with groups of fields. When a radio field is selected, I need it to also select several "hidden" fields in the same div and to pass those values on submission. If another radio is selected, than these hidden fields need to clear, and instead the other group's are selected. Example 1 - Radio 1 is selected which selects all hidden fields in same div/fieldset: Group A: Radio 1 (checked) Hidden Field 1a (checked) Hidden Field 1b (checked) Hidden field 1c (checked) Group B:

问题 I have a "category" table that contains different kind of "product", so I create this in the category.rb: class Category < ActiveRecord::Base has_many :products end And this in product.rb: class Product < ActiveRecord::Base belongs_to :categories end I would like to know how can I get the :categories from the product in the products/new.html.erb 回答1: EDIT: Simplified code I recommend that you use Formtastic which will do it automatically for you. If you want to do it rails without Formtastic,

问题 Code: while ( int_Timer > 0 ) { int int_Ticks = 0; if ( int_Ticks < 100) { int_Ticks++; } if (int_Ticks == 100) { int_Timer--; lbl_Timer.Text = int_Timer.ToString(); } } So I basically tried to make a timer however, since I implemented this code the form doesn't appear in the taskbar. In fact the only indication is the Visual Studio Debug running. 回答1: Go into the Windows Forms toolbox. Under "Component", find "Timer". Drag/drop one onto your form. It won't show up where you dropped it (it's

问题 I'm trying to retrieve the type of my HTML form input in Javascript for further use. I'm not speaking about the type attribute of HTML input but the type of variable you get with typeof JS operator. I'm using the code below to test it : <form oninput="test();" name="myform"> <input name="anumber" value="100"> <input name="aboolean" value="true"> </form> <div id="message"></div> <script type="text/javascript"> function test(){ anumber = document.myform.anumber.value; aboolean = document.myform