Web9 feb. 2024 · public DBContext CreateDbContext () { var optionsBuilder = new DbContextOptionsBuilder (); optionsBuilder.UseSqlServer … Webpublic UserService (DbContext context, IRepository users, IRepository messages) { this.users = users; this.messages = messages; this.userManager = …
C# 从BackgroundService创建DbContext租户时配置它
Web10 apr. 2024 · var query = from c in dbContext.Customers join a in dbContext.Orders on c.CustomerId equals a.CustomerId into ps from suborder in ps.DefaultIfEmpty() select new { Customer = c, Order = suborder //deal with null, assign some generic object or whatever you need }; var result = await query.ToListAsync(); Console.WriteLine(result); Web19 okt. 2024 · A DbContext represents a collection of entity sets or tables in your database. It allows us to write strongly-typed code against our database without having to deal with … dr daya louis botha
"Build failed" on Database First Scaffold-DbContext
Web11 jun. 2024 · Option 1. Register the DbContext during application configuration: public void ConfigureServices (IServiceCollection services) { … Web23 jul. 2013 · I am using code first and SQLite as provder. I have a DbContext derived class MyDBContext and connection string is provided in web.config file as below including the … WebMultiple DbContext was first introduced in Entity Framework 6.0. Multiple context classes may belong to a single database or two different databases. In our example, we will … dr dayan de fontgalland ashford