forms

问题 I created a form that includes a dropdown field <select name="locationselect" id="locationselect" tabindex="7"> <option value="Location1">Location 1</option> <option value="Location2">Location 2</option> <option value="Location3">Location 3</option> <option value="Location4">Location 4</option> </select> Upon submission I want to pull the location they selected from the dropdown and print a specific row from my MySQL database that would show them an address. So if they select Location 1 it

问题 I created a form that includes a dropdown field <select name="locationselect" id="locationselect" tabindex="7"> <option value="Location1">Location 1</option> <option value="Location2">Location 2</option> <option value="Location3">Location 3</option> <option value="Location4">Location 4</option> </select> Upon submission I want to pull the location they selected from the dropdown and print a specific row from my MySQL database that would show them an address. So if they select Location 1 it

问题 I'm inserting the following TEXT value into MySQL using.. $groupname = addslashes($_POST['groupname']; When getting the value from Mysql I'm using $name = $row['groupname']; echo $name; And this show correctly as "Mr. Davis's Group" but when this value in added to a form as then I pass the value to another page, and retrieve it as $name = $_POST['groupname']; echo $name; it show up as "Mr. Davis" keeping everything before the apostrophy. ??No clue why, i've tried adding stripslashes($_POST[

问题 I have a User Model and an Instructor Model. There is a one-to-one relationship between user and instructor. And some users will be instructors and some will not. As such I have a registration form that uses a fields_for method to write to both. How can I write to the instructor table only on the condition that they say they are an instructor, such as through a checkbox. And when they do write I want to maintain my validations of the table along with the rest of the form Ideally this would

问题 I have a User Model and an Instructor Model. There is a one-to-one relationship between user and instructor. And some users will be instructors and some will not. As such I have a registration form that uses a fields_for method to write to both. How can I write to the instructor table only on the condition that they say they are an instructor, such as through a checkbox. And when they do write I want to maintain my validations of the table along with the rest of the form Ideally this would

问题 I have a Form that contains some fields, one of them is a date field: GestureDetector( onTap: () { selectDate(context); }, child: AbsorbPointer( child: TextFormField( initialValue: dataEvento, decoration: InputDecoration( labelText: 'Date ${dataEvento}', labelStyle: TextStyle( fontFamily: 'acumin-pro', fontSize: MediaQuery.of(context).size.height * 0.022, fontWeight: FontWeight.bold, color: Colors.grey), focusedBorder: UnderlineInputBorder( borderSide: BorderSide(color: dataUserGlobal.yellow)

问题 I want to get data from 2 tables into a form using ModelForm, like this: fist model: class Cv(models.Model): created_by = models.ForeignKey(User, blank=True) first_name = models.CharField(('first name'), max_length=30, blank=True) last_name = models.CharField(('last name'), max_length=30, blank=True) url = models.URLField(verify_exists=True) picture = models.ImageField(help_text=('Upload an image (max %s kilobytes)' %settings.MAX_PHOTO_UPLOAD_SIZE),upload_to='avatar') bio = models.CharField((

问题 i am building nested form in rails 4.I every thing works as expected But when i try to edit the page then it edit only parent element here project.Child model question elements are not even display in edit mode my _form.html.erb as <%= nested_form_for (@project) do |f| %> <% if @project.errors.any? %> <div id="error_explanation"> <h2><%= pluralize(@project.errors.count, "error") %> prohibited this project from being saved:</h2> <ul> <% @project.errors.full_messages.each do |message| %> <li><%

问题 I have an iFrame inside my index page. This iFrame contains an aspx page with a form inside it, with runat=server . For some weird reason, anything I add after the iFrame is not being rendered to the page. I tried adding text, a div, nothing is being added after when I run the page. Code: <body> <asp:Panel ID="Panel1" runat="server" Height="80px"> <iframe name="LogoFrame" id="LogoFrame" src="asp/Logo.aspx" scrolling="no" style="border-style: hidden; padding: 0px; margin: 00px; width: 100%;

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