WpfApp2/orm/MyDbContext.vb

（完整代码） 1KB 

Imports Microsoft.EntityFrameworkCore
Public Class MyDbContext
    Inherits DbContext

    Protected Overrides Sub OnConfiguring(optionsBuilder As DbContextOptionsBuilder)
        MyBase.OnConfiguring(optionsBuilder)
        'Dim sb As New MySql.Data.MySqlClient.MySqlConnectionStringBuilder() With {
        '    .Database = "demo",
        '    .UserID = "root",
        '    .Password = "123456",
        '    .Server = "localhost"
        '}
        'optionsBuilder.UseMySQL(sb.ConnectionString)

        Dim sb As New Microsoft.Data.SqlClient.SqlConnectionStringBuilder() With {
            .InitialCatalog = "Demo1",
            .UserID = "sa",
            .Password = "51Aspx",
            .DataSource = ".",
            .TrustServerCertificate = True
        }

        optionsBuilder.UseSqlServer(sb.ConnectionString)

        'optionsBuilder.UseSqlite("data source=D:\tutorial\Visual Basic\VB .NET 数据库教程\04 Entity Framework Core 实体框架教程\sqlite.db")

        optionsBuilder.LogTo(AddressOf Console.WriteLine, Microsoft.Extensions.Logging.LogLevel.Information)
    End Sub

    Protected Overrides Sub OnModelCreating(modelBuilder As ModelBuilder)
        MyBase.OnModelCreating(modelBuilder)
        modelBuilder.Entity(Of User).ToTable("users").HasKey(Function(x) x.Id)
    End Sub
End Class

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