Multiple Record Lines - javascript

I want to add multiple records in the registration screen. For example, when adding a price menu, there are columns such as "price","menu name","menu description". I want to design a multi-product page and have the user enter more than one record on the same page. I know how to do this while saving it to the database. I am a Net Core expert. But on the razor page side, that is, on the html side, I don't know how to design it. For this, if there is a javascript module or library that will make my job easier, could you please share it with me? What I need is an html page with multiple data entries.

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Changing the contents of HTML page depending on options on navbar

I'm making an administrator portal for a band-website. The design is as follows:
There is a side navigation bar(on the left of the page), with things to be done (such as verify reservation requests, answer fanmails, modify band info, upload photographs to the gallery etc.). Clicking on these options should populate a form in the empty space on the right. I don't want to create a separate page for every one of them.
I have checked hell lot of websides for side navs, but i see they all redirect to links to different pages. If anybody could suggest me what all i should explore.
What you are asking about is called 'Single Page Application'. You need to use JavaScript for this. Best way is using JavaScript MVC frameworks like Angular, Ember, React etc.

How to create a modal form on html static pages to store users in rails

I'm trying to show a modal form window into some static html pages to request a users information and connect this with a Rails application.
I have a dynamic Rails application that save the user's information with a gem Devise in the side of my server.
The creation of modal windows in Rails with Bootstrap seems simple but I do not know if that view can be embedded as javascript into the static pages or if should create the modal form directly in the static page for later send user data to my application rails.
Any ideas would be greatly appreciated. Thanks in advance.
You've got three options:
A) render the html for the form out in advance in a hidden div, then just copy that into the modal.
B) construct the form in javascript, perhaps using a sort of "blank" form with a few missing details, then render the result into the modal
C) use javascript to make a call to the rails back end (which supplies the form html), and when you get it, load it into the modal.
Which choice you use depends on how much dynamic content is in your form. C is the slowest option but simplest in a way since your form will always be built from scratch in rails, which can use the appropriate data. This is suited to a situation where you are looking at lots of records on the page, each of which has a lot of data, and you want to click on one to edit some of the data.
If, for any given page, the form can be generated in rails on initial page render, then you could do A as all of the dynamic elements will be available in your controller in the first place. This is well suited to a page where you are looking at a single record, and want to show an edit form in the modal: because there is only one record to choose between, you always know in advance how to make the form for it.
B is sort of a half-way stage: if you don't know in advance what you will need to load into the form, but the difference between the form "options" is very small then you could fill in the blanks with JS. This is probably the most complicated solution as you'll need to write the JS yourself, but it's more efficient than C.

Using Javascript with Asp.net for ListBox

I want to use ClientSide Javascript for listbox, it should take values from database table when the page is loaded first time OR load the specific table in javascript,
Right Now, all the values are coming from database, if I select "StandardM1(CA)"
it brings all the values from "food_menu" table.
I want to do the the same thing with client-side javascript in order to save time and server requests, so that the application runs faster.
Can some one please guide me?
Faheem use array in it and try to do the coding right on the save button. its the save button that is creating problems

Best ASP.NET dynamic user control load approach

I have a food menu ASP.NET Web app. I use a datagrid to display the menu items. When the user clicks an item in the grid, a user control opens up below the item to allow the user to enter item details and add the item to an order. The item detail user control in turn contains several user controls with RadioButtonLists, DataLists and TextBoxes. The RadioButtonLists and DataLists are populated from a database. The user should be able to open and close several items at a time, like Windows Browser with sub-folders.
I've tried doing this with strait ASP.NET AJAX using ScriptManger, etc.. I set the item detail user control Visible property to True, and populate the list controls during the OnPreRender event. This is slow and sort of complicated because of the ASP.NET page/control life cycle.
I've been looking into using JQuery requests to ASHX files or Page Methods on the server to generate the item detail controls with maybe RenderControl and sending the generated HTML back to JQuery.
Questions:
Am I on the right track?
Would this sort of approach work for rendering and sending back HTML that may be complex and long?
Would JQuery requests be more efficient than my current approach?
Can anybody point me in the right direction for references and/or examples?
Thanks for the bandwidth.
I found a lot of help that led to my solution at:
http://weblogs.asp.net/sanjeevagarwal/archive/2008/07/22/Dynamically-create-ASP.NET-user-control-using-ASP.NET-Ajax-and-Web-Service.aspx

generating pop up on another page when form is submitted?

i have 2 pages in jsp. 1 is doctor.jsp and the other is patient.jsp. Both pages are open in 2 different pc and have different views. what i want to do is that when patient form is submitted the patient.jsp is refreshed but data of form move to doctor page and a pop-up of div is generated in doctor.jsp. but the patient view remains as it is and just a pop-up is generated in doctor.jsp.
For pushing information to a page using jquery check out the Atmosphere framework. You'll need both server and client side code to handle the transactions, and Atmosphere can make it a lot easier. I haven't used it in regular jsp but perhaps this article is a good starting point for you.

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