VB. Net Quick Guide Learn VB. Net Programming in simple and easy steps starting from Environment setup, Basic Syntax, Data Types, Type Conversion, Variables. Many in the PostgreSQL community use Microsoft Access as a frontend to their PostgreSQL databases. Although MS Access is strictly a windows application and. Vb Net Edit Access Table Properties Order' title='Vb Net Edit Access Table Properties Order' />NET Framework data provider Description. NET Framework Data Provider for SQL Server Provides data access for Microsoft SQL Server. Uses the System. Data. SqlClient. Understanding Routing in ASP. NET Core MVCWEBINAR On demand webcast. How to Boost Database Development Productivity on Linux, Docker, and Kubernetes with Microsoft SQL Server 2. REGISTER In ASP. NET Core MVC, a request URL is mapped to a controllers action. This mapping happens through the routing middleware and you can do good amount of customization. There are two ways of adding routing information to your application conventional routing and attribute routing. This article introduces you with both of these approaches with the help of an example. To understand how conventional and attribute routing works, you will develop a simple Web application, as shown in Figure 1. Figure 1 A routing form. The Web page shown in Figure 1 displays a list of orders from the Orders table of the Northwind database. The launching page follows the default routing pattern controlleraction. Every order row has Show Details links. This link, however, renders URLs of the following form Order. Vb Net Edit Access Table Properties' title='Vb Net Edit Access Table Properties' />HistoryCustomer. IDorderyearordermonthorderdayOrder. IDAs you can see, this URL doesnt follow the default routing pattern of ASP. NET Core MVC. These URLs are handled by a custom route that we specify in the application. Clicking the Show Details link takes the user to another page, where order details such as Order. Date, Ship. Date, and Ship. Address are displayed see Figure 2. Figure 2 Details for a customers order. Lets develop this example and also discuss routing as we progress. The example uses Entity Framework Core for database access. Although we will discuss the EF Core code briefly, detailed discussion of EF Core is beyond the scope of this article. It is assumed that you are familiar with the basics of working with EF Core. Okay. Create a new ASP. NET Core Web Application using Visual Studio. Because we want to use EF Core, add the Nu. Get package Microsoft. Entity. Framework. Core. Sql. Server. To add this package, right click the Dependencies folder and select the Manage Nu. Get Packages shortcut menu option. Then, search for the above mentioned package and install it for your project. Cool Pdf Cool Pdf Free. Figure 3 Managing Nu. Get packages. Then, add a Models folder to your project root and add two class files into it Northwind. Db. Context. cs and Order. Open the Order. cs file and add the following class definition to it. TableOrders. Order. Database. GeneratedDatabase. Generated. Option. Identity. public int Order. ID get set. Customer. ID get set. Date. Time Order. Date get set. Ship. Name get set. Ship. Address get set. Ship. City get set. Ship. Country get set. The Order class contains seven properties, namely Order. ID, Customer. ID, Order. Date, Ship. Name, Ship. Address, Ship. City, and Ship. Country. The Order class is mapped to the Orders table by using the Table attribute. Also, open the Northwind. Db. Context class file and add the following code in it public class Northwind. Db. Context Db. Context. Db. Setlt Order Orders get set. On. Configuring. Db. Context. Options. Builder options. Builder. Builder. Use. Sql. Serverdata source. The Northwind. Db. Context inherits from the Db. Context class. Inside, it declares Orders Db. Set. The On. Configuring method is used to configure the database connection string. Here, for the sake of simplicity, we pass a hard coded connection string to the Use. Sql. Server method. You also could have used dependency injection. Make sure to change the database connection string as per your setup. Conventional Routing. Now, open the Startup. Configure method. The Configure method is used to configure middleware. Somewhere inside this method, you will find the following code app. Use. Mvcroutes. Map. Route. name default. Home. actionIndexid. The preceding code calls the Use. Mvc method and also configures the default routing. Notice the Map. Route call carefully. It defines a route named default and also specifies the URL template. The URL template consists of three parameters controller, action, and id. The default value for the controller is Home, the default value foe action is Index, and the id is marked as an optional parameter. If all you need is this default route, you also can use the following line of code to accomplish the same task app. Use. Mvc. With. Default. Route This is the conventional way of defining routes and you can add your custom route definitions easily. Lets add another route that meets our requirement app. Use. Mvcroutes. Map. Routename Order. Route,template Order. Historycustomeridyearmonthdayorderid,defaults new controller Order,action Show. Order. Details. Map. Route. name default. HomeactionIndexid. Notice the code marked in the bold letters. We added another route, named Order. Route. This time, the URL template begins with static segmentOrder. History that wont change with each URL. Further, the URL template contains five parameters customeridyearmonthdayorderid. The default parameter sets the default controller to Order and the default action to Show. Order. Details. Now that you have the desired route definition in place, its time to create the Home. Controller and Order. Controller. Add Home. Controller and Order. Controller to the Controllers folder by using the Add New Item dialog. The Home. Controllers Index action is shown below public IAction. Result Index. using Northwind. Db. Context db new. Northwind. Db. Context. Viewdb. Orders. To. List. The Index action simply passes a list of all the orders to the Index view for the sake of displaying in a table. Next, add an Index view under Views Home folder and write the following markup in it. Listlt Routing. In. Asp. Net. Core. Models. Order. List of Orderslt title. List of Orderslt h. Order IDlt th. Customer IDlt th. Actionlt th. Model. Order. IDlt td. Customer. IDlt td. Html. Route. LinkShow Details,Order. Route,new customeriditem. Customer. ID,yearitem. Order. Date. Year,monthitem. Order. Date. Month,dayitem. Order. Date. Day,orderiditem. Order. ID lt td. The Index view renders a table that lists Order. ID and Customer. ID of all the orders. Each order row has a link that points to the order details page. Notice how the link is rendered. We use the Html. Route. Link helper to render this hyperlink. The first parameter of Route. Link is the text of the hyperlink Show Details, in this case. The second parameter is the name of the route as specified in the route definition Order. Route, in this case. The third parameter is an anonymous object holding all the values for the route parameters. In this case, there are five parameters customerid, year, month, day, and orderid. The values of these parameters are picked from the corresponding Order object. Okay. Now, open Order. Controller and add the Show. Order. Details action, as shown below public IAction. Result Show. Order. Detailsstring customerid. View. Bag. Message Order orderid for customer. Northwind. Db. Context db new Northwind. Db. Context. Order order db. Orders. Findorderid. Vieworder. The Show. Order. Details action takes five parameters corresponding to the route parameters. Inside, a message is stored in the View. Bag that indicates the Order. ID, Customer. ID, and Order. Date of the given order. Moreover, the code fetches the Order object from the Orders Db. Set matching the Order. ID. The Order object then is passed to the Show. Order. Details view. Now, add the Show. Order. Details view to the Views Order folder and add the following markup to it. Routing. In. Asp. Net. Core. Models. Order. lt head. Orders Detailslt title. View. Bag. Messagelt h. Order Detailslt h. Html. Display. For. Model. lt body. The Show. Order. Details view simply outputs the Message View. Bag variable. All the properties of Order model object are outputted by using the Display. HTML to PDF Converter for. NETThe Winnovative HTML to PDF Converter library for. NET can be integrated. NET application including ASP. NET and MVC web sites, Windows Forms and WPF applications, Azure Cloud Services. 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