Dynamic Form Generation And JQuery Selectors
Jan 5, 2012
I have a form that is dynamically created from a database, that enables or disables appropriate controls in a repeater.
This is all working fine, but it also needs branching. IE selecting a certain value for a certain field may make another field appear on screen.
I am not doing the database for this so im limited with chnages I can make on that side of things.
Basically im passed a table that looks like this: (Ive stripped out the irelevance)
qid
InitialStateVisible
QuestionIDChangeState
ChangeStateOption
ChangeStateID
[Code]...
basically I need to find the radiobutton list, check its selected value matches the equals then show the div.
Firstly I cannot get the jQuery right to get the selected value and secondly is this a good way of doing things?
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Nov 24, 2010
Ok heres the scenario: I have a table with many rows in it. Each row has a checkbox in one cell, and a span in another cell. What I want to do in my jquery is to go through the table and find each row where the checkbox is checked, and then store the value of the span in an array. I thought you might be able to do it as a selector rather than using a loop. I tried this but it didn't work
$('.cbox').is(':checked').parent().parent().children('.id-text').val();
$('res-table').find('tr')
It doesn't look very much like it would work though, and funnily enough it didn't So can I do this without using a loop?
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Oct 24, 2010
I'm creating an inbox system for my website which allows basic communication between users. I'm fetching the results with jquery calling a webservice. Then I'm using a jquery template engine to render the results to the screen. So far this all works good. but now I want to add some click functions on certain parts of inbox messages. For example I want the title of the message to be clickable so it will expand/collapse the fulltext which is hidden in a div beneath it.
But I can't seem to use the jquery selectors on this dynamic json result. It works when I put the function in the href tag itself but I don't really want to. I also tried adding the function after the success function but no luck either. Is it possible at all to use selectors with a template engine? I hope I made myself clear otherwise feel free to ask more information.
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Feb 4, 2010
I am developing a application in C#, ASP.NET and I have a lot os divs in my page, each div is a container for a chat message and each div have a unique id: like this
"<div id='" + myMsgs[j].id_chat_message + "' style='padding: 10px;'>"
so, each div have the same id in page and in database. now a want to find some div, with jquery, but it doesnt work
for (var j = 0; j < myMsgs.length; j++) {
findDiv = $('#<%= ' + myMsgs[j].id_chat_message + '.ClientID%>');
}
i know that my problem is the concatenation of the strings, but i dont know how to solve it.
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Aug 9, 2010
Is there a way of filtering large CSS files for the only required selectors on a page, and creating css files that contain just these selectors?
Case: I have a very large CSS file that I want to filter on a per page basis, so that the file size is cut down and can be cached by mobile devices. I was thinking along the lines of something like a server side dust me selectors tool.The particular project I am working on is using ASP.NET MVC.
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Feb 4, 2011
In my jquery functions, I have many references like this: $("[id$=DDL_DOB_Day]"). I use this format as it works with master pages. The question I have is can i create a sort of alias for this variable so my code is not full of longwinded names? For instance:
dd = $("[id$=DDL_DOB_Day]");
if(dd == 1)
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Mar 12, 2011
i am able to click on the ImageButton and apply the Jquery highlight effect to a different div
$("#btnFavorite").click(function() {
// selector for element to highlight
$("#theDiv").effect("highlight", {}, 3000);
});
Now i would like to extend the question as follows. I add the ImageButtons to the webpage dynamically, and i would like to apply the effect on the div for every ImageButton click.
<asp:ListView ID="ListView1" runat="server">
<layouttemplate>
<asp:PlaceHolder id="itemPlaceholder" runat="server" />
</layouttemplate>
<ItemTemplate>
<asp:ImageButton ID="btnFavorite" runat="server" ImageUrl="~/Images/Favorite.png"/>
</ItemTemplate>
</asp:ListView>
What should i do in that case? By using ItemDataBound of the listview and adding attributes like btnFavorite.Attributes.Add("onmouseclick", "doSomething") or what?
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Mar 15, 2011
I have a CustomValidator client script method that checks the value of a <input type="date" id="start"/> control. I'm accessing the date value using jQuery $('#start').val(), which works fine in Firefox and Opera. When I test in Chrome/Safari, the js console says that $('#start') is null. There is no problem using $('#start') outside the CustomValidator client method in Chrome/Safari. There is also no problem accessing the #start date object via document.getElementById('start') inside the validation method.
why jQuery selectors are failing inside this validation method for Chrome/Safari?
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Jan 26, 2010
I've a requirement to be able to generate PDF's within our (ASP.net) application. We need to meet the following requirements:
The text will be largely dynamic and must be added programatically. we'd like to base these generated documents off PDF templates provided by our designers. Some of the sections/pages may or may not be visible depending on certain conditions - we'd like the content to 'flow' upwards to fill the space when something is removed. Some of the pages may need to repeat, depending on certain conditions.Some of the PDF templates will be out of our control (we're populating application forms supplied by third parties), so being able to read in a blank PDF and populate it would be good.
I've looked at iTextSharp and it seems to do most of these things (i.e. I can take a PDF, edit it to include form fields where we need to fill data and then use iTextSharp to read that in as a template and populate the data), however, I'm not sure how then to go about potentially hiding whole sections and/or repeating pages.
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May 3, 2010
one of my client have a core requirement to develop a web application which can generate dynamic UI pages with metadata elements and relevant operations for various different products. We are thinking on lines of a approach where UI elements details will be stored in metadata and the application will read the meta data and render the UI pages based on it.
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Apr 23, 2010
I'm writing out lots of checkbox controls dynamically based on a query result. In a subsequent sub, I need to check some of those boxes based on another query.
So, in my first sub I have this in my reader loop:
[Code]....
In my second sub, I get the IDs for those boxes that need to be checked.
How do I reference the dynamically generated checkboxes from here? Something like:
divGrid.Controls.? .checked = true
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Jan 14, 2011
I have a project that needs to generate a random collection of images on an html page. Everything works fine until around the 50th image is generated and then I just get a red X.
Am I hitting some connection limit or server resource limit?
The code below exhibits the behavior on several different machines. I am using Visual Studio 2010 and Internet Explorer.
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
</head>
<body>
[Code]....
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Sep 8, 2010
I am working on Crystal reports.My requirement is that i need to generate dynamic fields according to the count ofFamily_Members column in sql server database,for example if i have '4' in 'Family_Members' column i need to generate 4(Family members details)dynamically.
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Jun 29, 2010
i have dynamically generated buttons ....btn_Command event is not being called....cant understand the problem..this is the code below....
[Code]....
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Sep 15, 2010
how to open a subform model Form,Sub Window form using jquery that save the data ajex
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Nov 26, 2010
I have a web forms app with a CSS file for layout. One of my elements, which will be much more difficult to do in CSS without using IDs, also has to have runat="server" since I control visibility server side.
<div id="x">
<div id="whatever" runat="server" visible="false">
<div id="y">
....
</div>
</div>
</div>
My problem is that in the CSS, I don't know how to ignore that whatever div with my selectors, and unless I inline the CSS and put in server to client control translation, I won't know the control names until runtime.
#x
{
position:absolute;
height:30px;
}
#x #whatever??? #y img
{
margin:-7px 15px 0 30px;
}
#x #whatever??? div
{
width:250px;
float:left;
}
How should I work around this? Is there a server side container control that doesn't render output but could be used to contol the visibility/rendering of its contents, or is there a trick in CSS to ignore that intermediate div? This is additionally confused by the fact I have the x div in a master page and the whatever and y divs are both in the page itself. I know this wouldn't be an issue if I were using MVC, but at this point switching is not an option.
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Jul 23, 2010
I want to create a twitter like user registartion form for my asp.net(C#) web application. I have configured asp.net membership module for my site. I have searched alot but couldn't find any all in one JQuery Plugin which provide the following functionalities to my webform
1. Form Feild highlight when onFocus and on error
2. Tooltip when form feild is in focus
3. Proper client-side form valodation
4. Check user name avalibility
5. Check email re-registration
6. Calculate Password strength
7. Nice feedback when form is submitted
Can anyone know any all in one plugin wich I can add to my asp.net(C#) registration forms to make my forms live? I'm extremly new to jquery and it my firstever jquery project.
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Mar 28, 2011
I have a requirement to generate Dynamic Crystal Reports.I am a new bea of Microsoft .net.
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Apr 20, 2010
I'm working on building a Web Forms app to process an online application that users enter in. This application takes one set of person info (name, address, etc..) and then can take X number of several other sets of information. I have the database design set up to handle the information (and all the keys/relationships). Where I'm having a problem is deciding the best way to handle taking the information on the web form.
Currently I'm thinking to build each set of information into its own user control and then trying to dynamically add an instance of the user control onto the page as needed to take each set of information. For instance, if one person has 3 personal references, they could have a button to keep adding reference controls until they put in all the information. So you'd start with 0 controls, click add to have 1, click to add a second, etc. I've read a lot of posts about issues regenerating the control, or problems with static variables when multiple people are using the same form and control counts being off. Am I taking the right approach to this project or is there an easier way I'm not aware of?
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Feb 16, 2011
i search google for re-write in asp.net 3.5 web form and found many sample. my requirement is bit different. suppose i have textbox and user will write whatever in the textbox then that text will pass to a specific page like www.mysite.com/product.aspx?data=textbox.text but i want to rewite the url like www.mysite.com/product/textboxdata.aspx.suppose user write sony camera in textbox so then my rewite url will be www.mysite.com/product/sony-camera.aspx.so please tell me someone with code snippet how could i re-write url dynamically
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Jul 17, 2010
I want to use directly form authentication by editing the web.config like this:
<authentication mode="Forms">
<forms loginUrl="Authenticate.aspx" protection="All">
</forms>
</authentication>
<authorization>
<deny users="*"/>
<allow users="abc"/>
</authorization>
Then I add a Login control in Authenticate.aspx, after click Login button there is an error like this:
An error occurred during the execution of the SQL file 'InstallCommon.sql'. The SQL error number is 1802 and the SqlException message is: CREATE DATABASE failed. Some file names listed could not be created. Check related errors.Is there anyone know what the problem that Form authentication cannot directly apply to Dynamic Data site as usual?
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Mar 10, 2011
I'm working on a very dynamic site build at the moment. What I'm trying to do is creating something like a survey that can be created dynamically from a control panel. In the control panel you add input fields (these are saved in a database), what the user then see is a form that I generate from the database. So if I add 3 input fields to the database the survey will contain 3 fields. If I add 20 fields the survey will have 20 fields.
Now my problem is that I want to validate these fields, and I would like to be able to hook me in with the standard validation flow. I can't create a Model with validation rules since the number of fields and their names are dynamic the only thing I know is what kind of data that is expected in every field (this rule is found in the database). In an ordinary case I would get the automatic highlighted fields that are not valid and so on thanks to the built in validation flow with ValidationResult and so on.
So the question now is can I somehow simulate parts of the validation and then hook me back in with the validation result, and if not valid, the form prints the error messages and fill the fields with the data that was given?
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Jun 20, 2010
I've recently implemented a simple dynamic forms engine that uses dynamically loaded ASP.NET controls in concert with an EAV schema to handle the variable nature of the data model. The business was sufficiently satisfied with the end product for a time, but is now clamoring for much more complex dynamic forms:Field visibility is tied to the values of other form fieldsList of drop down possible values tied to the state of other form fields Enforcement of various business rules across the for
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Feb 10, 2010
I'm kinda new to vb.net web forms and I'm trying to figure out the best way to create a dynamic employment history block on a web form. You know, the block where you list who you worked for, salary, dates etc.
On the form now I have three employment history blocks inside a table. If the person filling out the form has more employment history, I'd like to have a "add history" button that when clicked adds another employment block to the table. The user can click it as many times as they want to add more employment history blocks. I'd rather not reinvent the wheel here, so if someone has a sample of this and would be willing to share, or can point me to vb.net sample on the web that does this, I would appreciate it much.
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Sep 4, 2010
I have a page that will generate upto 10 copies of some web controlls, depending on how many the user wants, but I am not sure on how to access the data the user enters into it. The code I have is:
[Code]....
As you can see I want to access the vale to add to the list but not sure. I tried tbGameNamei.Vaue but VS has a kanipshat about it.
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