hidden-field

问题 I've a form with too many fields. One of these fields is as follows: <form action="go_to_preview.php" role="form" method="post" enctype="multipart/form-data"> <input type="file" name="equip_image" id="equip_image"> </form> Now the purpose of file go_to_preview.php is to show the data filled in by user in the form of labels. All the filled in data are also contained in hidden fields. If user finds whatever he/she has filled in is perfect then user clicks the submit button present on file go_to

问题 I'm riding Rails 3 and using Prototype. That said I'm only really asking a JS question.. I have a form, it's pretty simple. In the form I have a hidden field tag: <%= hidden_field_tag(:instructor_id, @instructor.id) %> That's all fine and well when I am submitting the form to one particular instructor. I have another page, however, which displays a lot of instructors. Rather than put the instructor id there myself, as in the code above, I'd like to change the value of the hidden field

问题 I have a hidden field in my form, I'm setting the hidden field's value on the server and trying to access this value from javascript, I get the error: Unable to get value of the property 'value': object is null or undefined If I view the source the hidden field value is set and the ID of the hidden field is the same as the ID I'm calling. ASPX var v = document.getElementById('hxValue').value; <asp:HiddenField ID="hxValue" runat="server"/> VB hxValue.Value = "Value1" I recall doing this before

问题 hope use can help me with this: My dataset uses a pre-built module therefore I cannot use SQL adding a row_number() for the field. I need to be able to exclude hidden values from SUM as follows: In the field I used this expression: IIF(Fields!SpaceID.Value = Previous(Fields!SpaceID.Value), 0, Fields!SpaceArea.Value) In the Textbox Property for SpaceArea -> Visibility -> show or hide of the field, I also used this expression for hidden: =IIF(Fields!SpaceID.Value = Previous(Fields!SpaceID.Value

问题 On a form of my web app, I've got a hidden field that I need to protect from tampering for security reasons. I'm trying to come up with a solution whereby I can detect if the value of the hidden field has been changed, and react appropriately (i.e. with a generic "Something went wrong, please try again" error message). The solution should be secure enough that brute force attacks are infeasible. I've got a basic solution that I think will work, but I'm not security expert and I may be totally

问题 I have the following HiddenField within a Repeater labeled "AdminGetAllRPT": <asp:Repeater ID="AdminGetAllRPT" runat="server" OnLoad="AdminGetAllRPT_Load"> <HeaderTemplate> <table id="AdminGetAllTBL"> <tr> <td></td> <td>Username</td> <td>Email Address</td> <td>First Name</td> <td>Last Name</td> <td>Active?</td> </tr> </HeaderTemplate> <ItemTemplate> <tr> <td> <asp:LinkButton ID="AdminEditLnk" runat="server" OnClick="AdminEdit_OnClick">Edit <asp:HiddenField ID="editAdminEmail" runat="server"

问题 I want to pass a query in a hidden filed from 1 page to another by querystring. Can anyone help me out with the logic? 回答1: It's worth taking the time to learn jQuery. It's not very complicated, and it makes writing javascript much easier. There are also many jQuery plugins, such as jquery.url. Also, as other posters have suggested, you may not wish to put the hidden field's value in the query string if you care about it being displayed to the user. However, if the data is present in a hidden

问题 I have a form_for I'm making in my view helper that is going to let one user promote another user from a group. def promote_button_for(group, user) membership = group.get_membership( user ) form_for membership, :url => group_membership_path( group, membership ) do |f| f.hidden_field :group_creator hidden_field_tag 'test', '1' f.submit( "Promote", :onclick => "return confirm(\"Are you sure you want to promote #{user.email} to an officer?\")" ) end end When I submit the form via the button, I

问题 I need to store an array of string in a HiddenField in my webform with asp.net. Can anybody please tell me how I can achieve that? Thanks 回答1: Probably a few methods would work. 1) Serialize the String[] in JSON This would be fairly easy in .NET using the JavaScriptSerializer class, and avoid issues with delimiter characters. Something like: String[] myValues = new String[] { "Red", "Blue", "Green" }; string json = new JavaScriptSerializer().Serialize(myValues); 2) Come up with a delimiter

问题 I have following code in my view: <% @m1.map(&:id).each do |id|%> <%= b.fields_for :modul1hours do |f| %> <%= f.hidden_field :modul1_id, id %> <%= f.text_field :module_est_hours, :size => 30 %> </tr> <% end %> <%end%> params passing in console Parameters: {"authenticity_token"=>"LJ/ZME2lHZ7VwCDgPKX6OFe326fXSXo5UB4M0cPwbCE=", "esthour"=>{"rfp_id"=>"6", "ecommerce_est_hours"=>"", "modul1hours"=>{"module_est_hours"=>"3"}, "designpages_est_hours"=>"", "cms_est_hours"=>""}, "modul1_ids"=>["12",