ado net entity data model

In this sectionMovieAdd verification logic to the model. Make sure that these verification rules are executed when you create or edit a movie.Keep things DRY One of the core design principles of ASP. net mvc is DRY: "Do not Repeat Yourself Don't Repeat Yourself )". ASP. net mvc encourages you to specify a function or behavior, and then apply it to all places of t

ASP. NET MVC4.0 Official tutorial Getting Started Guide V-Controller Access model dataIn this section, you will create a new Moviescontroller class and write code that implements the ability to get the movie data and use the view template to present the movie data in the browser.Click Build application to compile the a

describes how to add an existing item to the project. You only need to add the downloaded mvcmusicstore. MDF as an existing item to the app_data directory) Let's look at the relational diagram of the database: You can see album, genre, and artist classes that describe music, cart (Shopping Cart), Order (Order), and orderdetails (Order details) that involve warehouse management) Connect to a database using an object framework The database has been added to the project. We can write code t

has been installed on your computer: Visual Studio 2010 SP1 or visual web developer express 2010 SP1 (if you use these two links, the following project will be automatically installed) ASP. net mvc 3 tools update Microsoft SQL Server compact 4.0 Microsoft Visual Studio 2010 SP1 tools for SQL Server compact 4.0 This series is divided into 10 parts: 1-Asp. net MVC application to create

Asp. Net MVC series: access Model data from Controller, mvcmodel In the project solution, add a MoviesController controller, select the corresponding template, and model class and data context. For how to add model classes and

In this section, the validation logic is added to the Movie model. Make sure that these verification rules are executed when you create or edit a movie. One of the core design creden。 of DRYASP. net mvc is DRY: "Do not Repeat Yourself (DRY -- Don't Repeat Yourself )". ASP. net mvc encourages you to specify a function or behavior, and then apply it to all places o

This is one of the issues that I have recently solved, the ado.net entity Validation model added in MVC3. Of course this is a customer request, do not like this thing, each mapping database will generate a lot of code. However, the function is still relatively powerful, do not write data access code themselves. is a quick development to select a framework. Ok. Ge

In the MVC 3 data validation, has been applied very common, we need in the Web Form ERA in the view side through JS to verify each need to verify the value of the control, and the availability of such validation is very low. But in the new era of MVC, we can validate our data with the data validation attribute provided by MVC. and MVC provides client and server-s

) Associatedmetadataprovider: Provide Dataannotationsmodelmetadata Dataannotationsmodelmetadataprovider and Cacheddataannotationsmodelmetadata Cacheddataannotati Onsmodelmetadata are all Associatedmetadataprovider subclasses. This class parses the model metadata based on the attributes applied to the data type or its data members, and creates the Modelmetadata ob

typeIn view, change to "Post">Id:"text"Name="Id"Id="Id"/>Name:"text"Name="Name"Id="Name"/>Age:"text"Name=" Age"Id=" Age"/>"Submit"Value="Submit"/>@if (viewdata["Id"] !=NULL){ "Id"]"Name"]" Age"]}Of course here we will define the name property of the input tag as the class people nameIn this case, you might think that you can pass multiple objects?We'll change the controller's code. PublicActionResult Index () {returnView (); } [HttpPost] PublicActionResult Index (People people1, people peop

The conversion is completed using the javascriptserializer class in the Microsoft. NET class library. The data model used by the serial number defines public class study { Public string name {Get; set ;} Public int age {Get; set ;} } There are several methods to convert the background model to a JSON string: 1. seriali

In the VS2010 development environment, we recommend that you use a third-party plug-in to connect to the database.OracleConnection Tool. There are many third-party plug-ins, such as dotconnect for oracle,ODP. NETAnd so on. In this article, we use Oracle's own ODP. NET to connect to the Oracle Data Source. Now ODP. NET can also supportEntity

Microsoft. NET Pet Shop 4.0 learning Tour (1)-database field type and real-layer (model) Data Structure 1. lists the types of all fields in the pet shop 4.0 database.2. lists the corresponding data structures in the model of pet shop 4.0.3. Sort out the corresponding relat

MVC provides very handy data validation, so you can generate relevant validation scripts in the foreground by simply adding the relevant regular in the model. You need to refer to two JS files:Jquery.validate.min.jsJquery.validate.unobtrusive.min.jsModel Data Validation Rollup: [Display (Name = "transfer amount")] [Required (allowemptystrin

} characters")] [Display (Name="Password")] Public Virtual stringLogpassword {Get;Set; } [Stringlength (Ten, errormessage ="{0} cannot have a length greater than {1} characters")] [Display (Name="name")] Public Virtual stringRealname {Get;Set; } [Display (Name="Date of birth")] //[Range (typeof (DateTime), "2011-12-31", "1950-1-1", errormessage = "{0} is scoped to {1} to {2}")] Public VirtualDateTime Birthday {Get;Set; } [RegularExpression (@"\d{17}[\d| X]|\D{15}", errormessage ="

ArticleDirectory Accessing your model's data from a controller Creating a connection string and working with SQL Server Express Accessing your model's data from a controller In this section, you'll create a newMoviescontrollerClass and write code that retrieves the movie data and displays it in the browser using a view template. Right-clickCont