.Net Core

□Ideas Click a link to pass the file Id to the Controller method, traverse all the files in the folder, find the corresponding file based on the ID, and return the FileResult type.   File-related Model: namespace MvcApplication1.Models{

1,403.14-Forbidden the Web server is configured to not list the contents of this directory Change as prompted: use IIS manager to enable directory browsing. However, after the change, the problem persists. on the Internet, you can find the

　　 Private void OnClick (object sender, RoutedEventArgs e){Button btn = e. OriginalSource as Button;If (btn! = Null){String s = btn. Content. ToString ();If (s = "close "){This. Close ();}DoubleAnimation da = new DoubleAnimation ();Da. Duration =

Article content In the previous article, we analyzed how to dynamically register the implementation of HttpModule. In this article, we will analyze the WebActivator class library implemented through the previous Code principles. WebActivator

1. To enable automatic submission of DropDownList, you must set the AutoPostBack = "true" attribute. The following code is used: AutoPostBack = "True"Onselectedindexchanged = "ddlNameList_SelectedIndexChanged"> 2. During Processing on the server,

JCrop is used to crop images. What you want to experience in this article is:   Upload images on the view page: Upload successful. Go to another edit view page, crop the image using JCrop, and save the image to the specified folder: After

Using System; using System. data; using System. configuration; using System. collections; using System. web; using System. web. security; using System. web. UI; using System. web. UI. webControls; using System. web. UI. webControls. webParts; using

If your computer is added to an AD domain, you can obtain information about all computers and users in the domain. The Assembly used. Net Framework 4 is required. Add Assembly reference System. DirectoryServices. AccountManagement Obtain the AD

One of the project's management backend needs to publish an article and a rich text editor. After some selection, Baidu's Ueditor is selected. Because the uploaded files are uploaded to another server that stores images and other static resources,

In this series of tutorials, we take the complete development process of a large CMS system as an example to discuss with you the experiences and lessons of net development. In this program, we adopt the popular three-layer/N-layer framework +

For example, there is a class: Public class User{Public string Name {get; set ;}}   On the strong type view page, the input element corresponding to the attribute Name is displayed, and you want to add a title attribute and the corresponding

The expected effect is: Or off for the total price of all items in the shopping cart: When you click "off ":When you click "off ":□Ideas A or discount is the different implementation of the discount interface. The key is: what conditions determine

The System. Transactions namespace has been added since. NET2.0, bringing a new transaction Programming Model for. NET applications. This namespace provides several dependent TransactionXXX classes. Transaction is the base class of all Transaction

The advantage of using Mustache is that some html parts that are used repeatedly can be defined as Mustache templates for multiple times. The general steps for using Mustache are as follows: → Get json data from the background→ Get the pre-defined

  There are many solutions. First, the most silly one:Static class Program{/// /// Main entry point of the application./// [STAThread]Static void Main (){If (System. Diagnostics. Process. GetProcessesByName (System. Diagnostics. Process.

I. use ASP. NET WebForm developers I want to use Web. sitemap server controls. This plug-in brings us a great feel, greatly improving the development efficiency, and greatly improving future maintenance. But with ASP. net mvc, this plug-in does not

After encapsulating the underlying interfaces step by step, the interfaces are gradually upgraded to automated configuration, automated response, and background processing interface optimization and improvement, we strive to build a comprehensive

Over half a year in 2014, Microsoft released a number of product and technology updates over the past few months, including the Windows 8.1 update package, Windows Phone 8.1 developer preview, and SQL Server 2014, visual Studio 2013 update 2, Office

  In web. config: Format: // I. windows: IIS authentication method II. forms: form-based authentication method III. passport: uses the Passport cookie Authentication Mode IV. none: no verification method is used. // I. name: Specifies the Name of

When I used wpf for overlay analysis, I encountered an ERROR: "ERROR 010096: no Spatial Analyst permission is currently enabled or not "; the Spatial Analyst Extension function is checked in the environment and cannot be solved. Now, I will write