asp net entity framework tutorial

optionsbuilder) { optionsbuilder.usesqlserver (dbconnectionstring); } ... }3) Get database connection string from Appsettings.json file and assign it to dbconnectionstring in Startup.cs file Public void configureservices (iservicecollection services) { // Config Database connection string nuhotrscontext.dbconnectionstring = configuration.getconnectionstring ("Customdbcontext" ); ... }Reference Links:Http

First, prefaceThe previous time with the. NET Entity Framework core Framework, you need to configure the precision of floating-point numbers, and found that the. NET Entity Framework co

1.. Net is a development platform, and. NET Framework is the basic class library of this development platform. 2. framwork is a class library, excluding development tools. ASP. NET is an application. framwork contains the controls required to Develop

Today, I visited the blog of the ADO. NET Entity Framework Team. I am interested in this project because I also write Orm. :) Of course, that grade is not a level. I don't know how many pigeons I put in this project. I still remember the objectspace stuff. Now it's in beta 3, and I 've even published it in LINQ. He can't keep it up. (Winfs in Vista, I guess it's

I often see people asking how to layer a project that uses ADO. NET Entity Framework or LINQ to SQL. EF or linq2sql generates an entity class by themselves. Since entity classes run through the entire project, if the automatically generated

Today, the performance detection and monitoring of EF and MVC projectsFirst, let's introduce the tools we use today.miniprofiler~The introduction of this thing is as follows:MVC Miniprofiler is a small program designed by the stack Overflow team for performance analysis of ASP. You can monitor a page itself, as well as other pages accessed through direct references, Ajax, and IFRAME, to monitor content including database content, and to display SQL fo

In which scenarios does ADO. NET Entity Framework work ?, Ado. netentity After zhihu answered the question, he turned back. Enity Framework is already the main ORM in. NET. From the beginning of a Mapping concept, ORM has been sublimated to a certain extent, especially EF a

note, the same ). There are two methods to implement ing: (1) register the alias of the class in the ActionScript class. Use remoteclass (alias = ". Net fully qualified class name "); (2) Add the classmappings node to the Web. config file. In some cases, the first method fails. You can try the second method. Obviously, it is most convenient to use a value object to transmit data to. net. Of cours

Use of enumeration in ADO. NET Entity Framework 4 This article will introduce how to use enumeration in ADO. NET Entity Framework 4 to bring everyone into the world of ADO. NET. Enum is

Address: http://www.cnblogs.com/WilsonWu/archive/2011/12/16/2290110.html Recently, I had to study the Oracle database because of the need of the project. I think back to the last time I used Oracle for years. During my internship, BMW Brilliance's project had a simple access to Oracle. This project needs to be based on the. NET platform. My personal habit is that I can use the built-in functions of Microsoft without a third party. Based on this p

In which scenarios does ADO. NET Entity Framework work?Enity Framework is already the main ORM in. NET. From the beginning of a Mapping concept, ORM has been sublimated to a certain extent, especially EF and other improvements to the object-oriented capabilities of the ORM

Tags: style blog http color os file data ioRecently trying to learn ASP. NET MVC, when you click Add-New Item--visual in the data under C # to the ADO Entity Data Model, and the "Select Your data connection" error occurs, the " An error occurred in Microsoft SQL Server Compact 3.5. Please contact the provider vendor to resolve this issue. "and write it down here

Recently learned MVC4 a simple small project, using the Entity Framework as MODEL,F5 start debugging run without problems, but after publishing to IIS access errorThe error message is as follows:The Entity Framework provider type ' System.Data.Entity.SqlServer.SqlProviderServices, Entityframework.sqlserver ' Registered

than the official website . The following series of articles, which explain the three parts of the MVC framework, help beginners to understand the MVC frameworkASP. NET MVC ControllerASP. NET MVC routeASP. NET MVC View (Overview)-Part.1ASP. NET MVC (Create a Task List appli

will usually be: Traverse query full table data, then filter at OO level Needlessly perform instantiation, query, or waste cache resources, or waste query resources I can only say that this is a developer level issue, although it is difficult to locate after a problem, especially in general, will cause memory leaks.Finally, the most common is back to the data model synchronization problem. When the data model changes, it needs to be synchronized, and if there is already busine

"); // = true; Of course, if you use different Context instance queries, the cache function will be effective. Well, let's take a look at ADO. NET Entity Framework beta 3:// PubsEntites is the System. Data. Objects. ObjectContext derived object of ADO. NET Entity