model-view-controller

问题 I get this error when I pull up http://0.0.0.0:3000/activities: ActiveRecord::RecordNotFound in ActivitiesController#index Couldn't find Valuation with 'id'= Line: @valuation = Valuation.find(params[:id]) activities_controller def index @activities = Activity.order("created_at desc").paginate(:page => params[:page]) @valuation = Valuation.find(params[:id]) end activities/index <% @activities.each do |activity| %> <%= render "activities/#{activity.trackable_type.underscore}/#{activity.action}"

问题 I am building an application where n users can talk to each other (like a messaging application) in public. Because you might want to have a different bio for each talk you do (for example a discussion about me regarding Ruby on Rails would need a different bio than one about Psychology) I have a Spkr model which has a User and a Tlk. The below code successfully means that on the users profile page, for each instance of them being a Spkr, the Tlk, and it's participants is visible with each

问题 How can i display data in views in asp.net core MVC?. In the Index.cshtml I have the following link to the detail page. @Html.ActionLink("You_Controller_Name", "GetProductsDetail", new { id = item.ID }) | I have this controller to get product by ID public IActionResult Detail() { return View(); } [HttpGet()] public async Task<IActionResult> GetProductsDetail(string id) { var product_list = (await ProductService.GetProducts()).ToList(); var product = product_list.FirstOrDefault(a => a

问题 How can i display data in views in asp.net core MVC?. In the Index.cshtml I have the following link to the detail page. @Html.ActionLink("You_Controller_Name", "GetProductsDetail", new { id = item.ID }) | I have this controller to get product by ID public IActionResult Detail() { return View(); } [HttpGet()] public async Task<IActionResult> GetProductsDetail(string id) { var product_list = (await ProductService.GetProducts()).ToList(); var product = product_list.FirstOrDefault(a => a

问题 Using the latest version of Microsoft.AspNet.Web.Optimization v1.1.3 I am unable to get bundling to minify the JavaScript if it includes template literals. For example if I include the following in one of my bundle scripts: var name = 'Bob'; var formattedName = `${name} says hello`; The resulting bundle will join all files but it won't minify code, and gives me this error: /* Minification failed. Returning unminified contents. (2,13-14): run-time error JS1014: Invalid character: ` (2,15-16):

问题 Using the latest version of Microsoft.AspNet.Web.Optimization v1.1.3 I am unable to get bundling to minify the JavaScript if it includes template literals. For example if I include the following in one of my bundle scripts: var name = 'Bob'; var formattedName = `${name} says hello`; The resulting bundle will join all files but it won't minify code, and gives me this error: /* Minification failed. Returning unminified contents. (2,13-14): run-time error JS1014: Invalid character: ` (2,15-16):

问题 First of all, I'm new to RoR, so the answer may be obvious, in which case I apologize. I've looked around and haven't found anything that helps. I'm trying to have a search form at the header of every web page on my app that will search through the names of all my "buckets". Here is the relevant code: In app/views/layouts/_header.html.erb (within a nav bar): <% search_form_for @q do |f| %> <%= f.label :name_cont %> <%= f.text_field :name_cont %> <%= f.submit %> <% end %> In app/controllers

问题 I am using the pdfsharp for my project.. I am trying to save the converted PdfDocument object to a pdf file in a specified path.. i do have this method public static PdfDocument ConvertTiff2Pdf(string docpath) { var pdfDoc = Tiff2Pdf(docpath); return pdfDoc; } this will return PdfDocument and I want to save it to a "C:\temp\docname.pdf" folder.. how can do it with csharp without using the http response.. because i have to first store it on the server then use.. please help me.. 回答1: Just call

问题 I have developed a MVC application that has dependency on Connectwise SDK that uses Newtonsoft.Json.dll v6.0.0.0 and Dropbox SDK that uses Newtonsoft.Json.dll v7.0.0.0. I need to ensure that my project uses the appropriate dll when needed. After researching, I tried the following: - Placed the 2 dlls under sub-folders /dlls/6.0.0.0/ and /dlls/7.0.0.0 resp. - Referenced version 6.0.0.0 dll in project References - Added to web.config <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">

问题 I have developed a MVC application that has dependency on Connectwise SDK that uses Newtonsoft.Json.dll v6.0.0.0 and Dropbox SDK that uses Newtonsoft.Json.dll v7.0.0.0. I need to ensure that my project uses the appropriate dll when needed. After researching, I tried the following: - Placed the 2 dlls under sub-folders /dlls/6.0.0.0/ and /dlls/7.0.0.0 resp. - Referenced version 6.0.0.0 dll in project References - Added to web.config <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">