model-view-controller

How to update and edit One to Many relationship MVC in ruby on rails?

青春壹個敷衍的年華 提交于 2020-07-23 06:35:08
问题 I have a simple question, all I need is to edit and delete one to many relationship in rails in my case Status belongs to user and User has many statuses Here is what I have tried In status edit.html.erb <h1>Edit Status of doctor <%= @user.name %></h1> <%= form_for @status,:url => {:action => :update, :id => @user.id} do |f| %> status: (Received, Processed, Shipped) <%= f.text_field :name %><br> <%= f.submit %> <% end %> I have this error undefined method `name' for nil:NilClass status

How to update and edit One to Many relationship MVC in ruby on rails?

被刻印的时光 ゝ 提交于 2020-07-23 06:34:32
问题 I have a simple question, all I need is to edit and delete one to many relationship in rails in my case Status belongs to user and User has many statuses Here is what I have tried In status edit.html.erb <h1>Edit Status of doctor <%= @user.name %></h1> <%= form_for @status,:url => {:action => :update, :id => @user.id} do |f| %> status: (Received, Processed, Shipped) <%= f.text_field :name %><br> <%= f.submit %> <% end %> I have this error undefined method `name' for nil:NilClass status

MVC php passing model to controller

家住魔仙堡 提交于 2020-07-22 06:25:48
问题 I have this login system, when I link the model to my controller, the controller can't get the variables of model which is $username, $password etc. How to properly way of handling this model and controller? I'm not using any framework just pure php and just following the mvc pattern. When I run the code it goes to Invalid Username or Password model require_once("db.php"); class loginModel{ public function __construct(){ $dbCon = new DbConnector(); $this->dbCon = $dbCon->getConnection(); }

Setting a new landing page in ASP.NET Core MVC

六眼飞鱼酱① 提交于 2020-07-09 07:18:19
问题 I need to set a new landing page for my application. For now it is landing on the standard Index.cshtml inside of the Home folder inside of the Views folder. I want my new landing page to be from this directory: Views/Welcome/Index.cshtml The error I'm getting says: InvalidOperationException: RenderBody has not been called for the page at '/Views/Welcome/Index.cshtml'. To ignore call IgnoreBody(); I have made the following changes so far in my startup.cs file: public void ConfigureServices

.net core , how to handle route with extra leading slash

我们两清 提交于 2020-07-03 15:16:18
问题 I need to handle an incoming request which is of the form: //ohif/study/1.1/series Note the exta slash at the front My controller signature is: [Route("ohif/study/{studyUid}/series")] [HttpGet] public IActionResult GetStudy(string studyUid) If I modify the incoming request to /ohif/study/1.1/series it works fine however when I use //ohif/study/1.1/series, the route is not hit Additionally I also tried: [Route("/ohif/study/{studyUid}/series")] and [Route("//ohif/study/{studyUid}/series")] Both

How to use different models in one View and pass the value to controller

对着背影说爱祢 提交于 2020-06-29 05:03:11
问题 I have one View from where I need to pass the Id_cliente to controller. This is my Model: public class Cliente { [Key] public int Id { get; set; } [Display(Name = "Azienda")] public string Nome_azienda { get; set; } } public class SottoCliente { [Key] public int Id { get; set; } public int Id_cliente { get; set; } } In my View by clicking on the button Sotto Clienti I need to pass the Id_cliente from Model SottoCliente to controller. I don't know how to access the Id_cliente . This is my View

How to print out sub div on new page using javascript in ASP.NET MVC?

℡╲_俬逩灬. 提交于 2020-06-28 08:06:47
问题 I use the following javascript code to print out orders pages in MVC view : <script type="text/javascript"> function PrintElem(elem) { Popup($(elem).html()); } function Popup(data) { var mywindow = window.open('', 'divprint', 'height=400,width=600'); mywindow.document.write('<html><head><title></title>'); /*optional stylesheet*/ // mywindow.document.write('<link rel="stylesheet" href="main.css" type="text/css" />'); // myWindow.document.styleSheets = window.document.styleSheets; mywindow

how can i redirect from void method to a view?

…衆ロ難τιáo~ 提交于 2020-06-18 10:55:33
问题 [HttpGet] public void verifyAccount(string id) { if (clientDB.verifyAccount(id)!="") { // Redirect("index");//redirect to index view } else { //redirect to error view } } i try to use Redirect("Index"); but it does not work, Is it impossible to redirect to view from a void method 回答1: You cannot redirect from a method that returns void. In order to redirect, you must return an ActionResult , and since this method returns nothing , you obviously cannot achieve that. Setting the return type of

Questions about JSP & SQL. Java web application

不羁的心 提交于 2020-06-17 09:10:14
问题 I am recently working on making a Java web application, which must focus on CRUD(You know). But I am stuck with the read & update & delete operations(Three operations). Only Create Operation works fine. In detailed, the Java web application I am working on is not completed so far. Inside my code, the function called "findUsers" is used to implement read operation. By the way, I already checked code for a long period of time. I guess the problem may be in findUsers function(not sure, just an

Why only First DIV appeared , How to show other DIV if order available?

故事扮演 提交于 2020-06-16 19:59:02
问题 I have LabResults table and the order results belongs to departments : Department number 1 = hematology Department Department number 2 = Biochemistry Department Department number 3 = Serology Department Department number 4 = Hormones Department When I make new laboratory order and select tests some tests belong to department 1 and some belongs to department 2 and some under department 3 and some under department 4 , and some times the order include tests from one department or 2 department ,