In our first example, we will see how to retrieve the connection string from theappsettings.jsonfile using a console application: varconnectionString = configuration.GetConnectionString("DefaultConnection"); Here, we can use theIConfigurationto help us to retrieve the connection string fromappsettings...
How to convert this ConnectionString in appsetting.jsonCopy <add name="FireFighterDbContext" connectionString="Server=192.168.151.100;Database=FireFighterDb;User ID=thisisme;Password=p@ssw0rd" providerName="System.Data.SqlClient" /> Thanks in advance.Jannen SiahaanAll replies (6)Wednesday, Aug...
@Html.DropDownListFor - How to set width for this, not control width, set width of the panel where it shows the options in the dropdown. @Html.DropDownListFor not selecting the selected value on post @Html.DropDownListFor set default value @Html.EditorFor - disabled @Html.EditorFor always r...
Because you ask how to custom database context/connection string. Here explains how to create a DbContext and set its connection name: https://docs.abp.io/en/abp/latest/Connection-Strings#set-the-connection-string-name And here explains how to set a connection string for a DbContext: https...
Take advantage of the DbContext in Entity Framework Core to connect to a database and perform CRUD operations using CLR objects
dbcontext.Customers.Include(x=>x.MaxOrder) 我想知道如何为这种场景配置导航属性。 客户类别 publicclassCustomer{publicintId {get;set;}publicstringName {get;set;}publicMaxOrder MaxOrder {get;set;} } MaxOrder 类 publicclassMaxOrder{publicintCustomerId {get;set;}publicdecimalTotalAmount {get;set;}...
}publicclassMyDbContext : DbContext {publicMyDbContext(stringconnectionString) :base(connectionString) { }publicDbSet<EntityFrameworkSampleObject> SampleObjects {get;set; } } Add an XPO Data Model in Code 在代码中添加 XPO 数据模型 In themodule project, implement the followingBaseObjec...
AddDbContext<ApplicationDbContext>(options => { options.UseSqlite( builder.Configuration.GetConnectionString("DefaultConnection")); }); The next step is to create a migration using the EF Core tools to set up the initial database schema based on our models. For that, let’s open the ...
The last step is to invoke the SaveChanges method of the context. C# VB private static void InsertCategory() { // 1. Create a new instance of OpenAccessContext. using ( FluentModel dbContext = new FluentModel() ) { using ( IDbConnection connection = dbContext.Connection ) { // 2. Cre...
The DTO is used to define the table within the SQL database. To create the database entry, add aDbSet<>property to theDbContextyou are using: C# publicclassMobileServiceContext:DbContext{privateconststringconnectionStringName ="Name=MS_TableConnectionString";publicMobileServiceContext() ...