{"id":347185,"date":"2023-03-23T21:01:44","date_gmt":"2023-03-23T21:01:44","guid":{"rendered":"http:\/\/savepearlharbor.com\/?p=347185"},"modified":"-0001-11-30T00:00:00","modified_gmt":"2023-03-23T21:01:44","slug":"","status":"publish","type":"post","link":"https:\/\/savepearlharbor.com\/?p=347185","title":{"rendered":"<span>Ef \u043c\u0438\u0433\u0440\u0430\u0446\u0438\u044f \u0434\u043b\u044f maui (\u0442\u0430\u043a, \u043a\u0430\u043a \u043d\u0440\u0430\u0432\u0438\u0442\u0441\u044f \u043c\u043d\u0435)<\/span>"},"content":{"rendered":"<div><\/div>\n<div id=\"post-content-body\">\n<div>\n<div class=\"article-formatted-body article-formatted-body article-formatted-body_version-2\">\n<div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\">\n<p>\u042f \u043d\u0430\u0434\u0435\u044e\u0441\u044c, \u0432\u044b \u043f\u0440\u043e\u0447\u0438\u0442\u0430\u043b\u0438 &#171;\u043f\u0440\u0435\u0432\u044c\u044e&#187;, \u043f\u043e\u044d\u0442\u043e\u043c\u0443, \u0431\u0435\u0437 \u043b\u0438\u0448\u043d\u0438\u0445 \u0441\u043b\u043e\u0432 \u043f\u0440\u0438\u0441\u0442\u0443\u043f\u0430\u0435\u043c \u0441\u0440\u0430\u0437\u0443 \u043a \u0434\u0435\u043b\u0443!<\/p>\n<p>\u0421\u043e\u0437\u0434\u0430\u0435\u043c \u0434\u0432\u0430 \u043f\u0440\u043e\u0435\u043a\u0442\u0430, \u0432 \u043e\u0434\u043d\u043e\u043c \u0431\u0443\u0434\u0435\u0442 \u043d\u0430\u0448 Maui, \u0430 \u0432 \u0434\u0440\u0443\u0433\u043e\u043c \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442.<\/p>\n<figure class=\"\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/habrastorage.org\/r\/w1560\/getpro\/habr\/upload_files\/55a\/3dc\/bc7\/55a3dcbc73e8ae2a442e926a773eac5d.png\" alt=\"\u0412\u043e\u0442 \u0442\u0430\u043a\u0430\u044f \u0432\u043e\u0442 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430( \u043d\u0430\u0434\u0435\u044e\u0441\u044c \u043a \u043d\u0430\u0437\u0432\u0430\u043d\u0438\u044f\u043c \u043d\u0435 \u043f\u0440\u0438\u043a\u0430\u043f\u044b\u0432\u0430\u044e\u0442\u0441\u044f)\" title=\"\u0412\u043e\u0442 \u0442\u0430\u043a\u0430\u044f \u0432\u043e\u0442 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430( \u043d\u0430\u0434\u0435\u044e\u0441\u044c \u043a \u043d\u0430\u0437\u0432\u0430\u043d\u0438\u044f\u043c \u043d\u0435 \u043f\u0440\u0438\u043a\u0430\u043f\u044b\u0432\u0430\u044e\u0442\u0441\u044f)\" width=\"425\" height=\"144\" data-src=\"https:\/\/habrastorage.org\/getpro\/habr\/upload_files\/55a\/3dc\/bc7\/55a3dcbc73e8ae2a442e926a773eac5d.png\"\/><\/p>\n<div><figcaption>\u0412\u043e\u0442 \u0442\u0430\u043a\u0430\u044f \u0432\u043e\u0442 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430( \u043d\u0430\u0434\u0435\u044e\u0441\u044c \u043a \u043d\u0430\u0437\u0432\u0430\u043d\u0438\u044f\u043c \u043d\u0435 \u043f\u0440\u0438\u043a\u0430\u043f\u044b\u0432\u0430\u044e\u0442\u0441\u044f)<\/figcaption><\/div>\n<\/figure>\n<p>\u0421\u043e\u0437\u0434\u0430\u0434\u0438\u043c \u043f\u0440\u043e\u0441\u0442\u0435\u043d\u044c\u043a\u0438\u0435 \u043c\u043e\u0434\u0435\u043b\u0438 \u0432 <code>MauiMigrationsExample.Dal<\/code><\/p>\n<pre><code class=\"cs\">namespace MauiMigrationsExample.Dal.Models;  public class Author {     public int Id { get; set; }     public string Name { get; set; } = null!;      public List&lt;Book> Books { get; set; } = null!; }  public class Book {     public int Id { get; set; }     public string Name { get; set; } = null!;      public int AuthorId { get; set; }     public Author Author { get; set; } = null!; }<\/code><\/pre>\n<p>\u0410 \u0442\u0435\u043f\u0435\u0440\u044c \u0441\u0430\u043c\u043e\u0435 \u0432\u0430\u0436\u043d\u043e\u0435! \u042f \u043d\u0435 \u0445\u043e\u0447\u0443 \u0447\u0442\u043e \u0431\u044b \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430 \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442\u0430 \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u043b\u0430 \u0432 Dal. \u041f\u043e\u044d\u0442\u043e\u043c\u0443 \u043f\u043e\u0439\u0434\u0435\u043c \u043d\u0430 &#171;\u043f\u0440\u043e\u0441\u0442\u043e&#187; \u0440\u0435\u0448\u0435\u043d\u0438\u0435: \u043f\u0440\u043e\u043f\u0438\u0448\u0435\u043c \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u0435 \u0443\u0441\u043b\u043e\u0432\u0438\u0435 \u0432 <code>MauiMigrationsExample.Dal.csproj<\/code><\/p>\n<pre><code class=\"xml\">&lt;PropertyGroup Condition=\"'$(Configuration)'=='Migrate'\">   &lt;DefineConstants>EF_MIGRATION&lt;\/DefineConstants> &lt;\/PropertyGroup><\/code><\/pre>\n<p>\u0410\u0433\u0430, \u043c\u044b \u043f\u0440\u043e\u0441\u0442\u043e \u0434\u043e\u0431\u0430\u0432\u0438\u043b\u0438 \u043a\u043e\u043d\u0441\u0442\u0430\u043d\u0442\u0443 \u0434\u043b\u044f \u043f\u0440\u0435\u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440 \u0435\u0441\u043b\u0438 \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u044f \u0440\u0430\u0432\u043d\u0430 <strong>Migrate. <\/strong>\u0414\u0435\u043b\u043e \u0432 \u0442\u043e\u043c \u0447\u0442\u043e \u0441\u0430\u043c \u0445\u043e\u0447\u0435\u0442 <strong>dotnet-ef <\/strong>\u0447\u0442\u043e \u0431\u044b \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442 \u043f\u0435\u0440\u0435\u0434\u0430\u0432\u0430\u043b\u0441\u044f \u0432 ServiceCollection. \u042d\u0442\u043e \u043c\u043e\u0436\u043d\u043e \u0438\u0441\u043f\u0440\u0430\u0432\u0438\u0442\u044c \u0441 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u043e\u043c <code>--context(\u0438\u043b\u0438 -c)<\/code> , \u043d\u043e \u0442\u043e\u0433\u0434\u0430 \u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u043e \u043d\u0443\u0436\u043d\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u0442\u044c <code>OnConfiguring<\/code>.  \u041e\u0434\u043d\u0430\u043a\u043e \u043a\u0430\u043a \u044f \u0441\u043a\u0430\u0437\u0430\u043b \u0432\u044b\u0448\u0435 <em>&#187; \u042f \u043d\u0435 \u0445\u043e\u0447\u0443 \u0447\u0442\u043e \u0431\u044b \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430 \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442\u0430 \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u043b\u0430 \u0432 Dal&#187;.<\/em><\/p>\n<p>\u041f\u043e\u044d\u0442\u043e\u043c\u0443, \u0434\u0430\u043b\u0435\u0435 \u043f\u0438\u0448\u0435\u043c \u0443\u0436\u0435 \u0441\u0430\u043c \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u0434\u0438\u0440\u0435\u043a\u0442\u0438\u0432\u044b \u043f\u0440\u0435\u0434\u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u0430. <\/p>\n<pre><code class=\"cs\">using MauiMigrationsExample.Dal.Models; using Microsoft.EntityFrameworkCore; using SQLitePCL;  namespace MauiMigrationsExample.Dal; public class MauiDbContex : DbContext {     public DbSet&lt;Author> Authors { get; set; } = null!;     public DbSet&lt;Book> Books { get; set; } = null!;  #if !EF_MIGRATION     public MauiDbContex(DbContextOptions options) : base(options)     {         Batteries_V2.Init();     }  #else     public MauiDbContex()     {         Batteries_V2.Init();     }      protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)     {         optionsBuilder.UseSqlite($\"Filename=sad\");     } #endif      protected override void OnModelCreating(ModelBuilder modelBuilder)     {       ...     } }<\/code><\/pre>\n<p>\u0418 \u043f\u0438\u0448\u0435\u043c \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0443\u044e \u043a\u043e\u043c\u0430\u043d\u0434\u0443 \u0432 \u043a\u043e\u0440\u043d\u0435\u0432\u043e\u0439 \u043f\u0430\u043f\u043a\u0435 <code>MauiMigrationsExample.Dal<\/code> c \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u043e\u043c <code>--configuration<\/code>  <\/p>\n<pre><code class=\"bash\"> dotnet ef migrations add InitialCreate -c MauiDbContex --configuration Migrate<\/code><\/pre>\n<p>\u0415\u0441\u043b\u0438 \u0432\u0441\u0435 \u0441\u0440\u0430\u0431\u043e\u0442\u0430\u043b\u043e, \u0442\u043e \u043e\u0442\u043b\u0438\u0447\u043d\u043e! \u0412 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u0440\u0430\u0437 \u043d\u0430\u043c \u043d\u0435 \u043d\u0443\u0436\u043d\u043e \u044f\u0432\u043d\u043e \u0443\u043a\u0430\u0437\u044b\u0432\u0430\u0442\u044c \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442, \u043d\u043e \u043f\u0440\u0438\u0434\u0435\u0442\u0441\u044f \u0432\u0441\u0435 \u0442\u0430\u043a \u0436\u0435 \u043f\u0438\u0441\u0430\u0442\u044c <code>--configuration Migrate<\/code> <\/p>\n<p>\u041d\u0443 \u0442\u0435\u043f\u0435\u0440\u044c \u043f\u0435\u0440\u0435\u0439\u0434\u0435\u043c \u043a \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0435 <code>MauiMigrationsExample<\/code>. \u0414\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u043c \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442 :<\/p>\n<pre><code class=\"cs\">builder.Services.AddDbContext&lt;MauiDbContex>(options =>         {             var dbPath = Path.Combine(FileSystem.AppDataDirectory, \"maui.sqlite\");             options.UseSqlite($\"Filename={dbPath}\");         });<\/code><\/pre>\n<p>\u0418 \u043d\u0430\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u0435\u043c \u0432\u0430\u0448 App<\/p>\n<pre><code class=\"cs\">using MauiMigrationsExample.Dal; using Microsoft.EntityFrameworkCore;  namespace MauiMigrationsExample;  public partial class App : Application { public App(MauiDbContex context) {         MigrateIfHasMigration(context);  InitializeComponent();  MainPage = new AppShell(); }      private static void MigrateIfHasMigration(MauiDbContex contex)     {         if (contex.Database.GetPendingMigrations().Any())         {             contex.Database.Migrate();         }     } }<\/code><\/pre>\n<p>\u041a\u0440\u0443\u0442\u044c, \u0432\u0441\u0435 \u0434\u043e\u043b\u0436\u043d\u043e \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0442\u0435\u043f\u0435\u0440\u044c. \u0421\u043f\u0430\u0441\u0438\u0431\u043e \u0437\u0430 \u0432\u0430\u0448\u0435 \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u0435.<\/p>\n<\/p>\n<\/div>\n<\/div>\n<\/div>\n<p> <!----> <!----><\/div>\n<p> <!----> <!----><br \/> \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 <a href=\"https:\/\/habr.com\/ru\/post\/724380\/\"> https:\/\/habr.com\/ru\/post\/724380\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div><\/div>\n<div id=\"post-content-body\">\n<div>\n<div class=\"article-formatted-body article-formatted-body article-formatted-body_version-2\">\n<div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\">\n<p>\u042f \u043d\u0430\u0434\u0435\u044e\u0441\u044c, \u0432\u044b \u043f\u0440\u043e\u0447\u0438\u0442\u0430\u043b\u0438 &#171;\u043f\u0440\u0435\u0432\u044c\u044e&#187;, \u043f\u043e\u044d\u0442\u043e\u043c\u0443, \u0431\u0435\u0437 \u043b\u0438\u0448\u043d\u0438\u0445 \u0441\u043b\u043e\u0432 \u043f\u0440\u0438\u0441\u0442\u0443\u043f\u0430\u0435\u043c \u0441\u0440\u0430\u0437\u0443 \u043a \u0434\u0435\u043b\u0443!<\/p>\n<p>\u0421\u043e\u0437\u0434\u0430\u0435\u043c \u0434\u0432\u0430 \u043f\u0440\u043e\u0435\u043a\u0442\u0430, \u0432 \u043e\u0434\u043d\u043e\u043c \u0431\u0443\u0434\u0435\u0442 \u043d\u0430\u0448 Maui, \u0430 \u0432 \u0434\u0440\u0443\u0433\u043e\u043c \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442.<\/p>\n<figure class=\"\">\n<div><figcaption>\u0412\u043e\u0442 \u0442\u0430\u043a\u0430\u044f \u0432\u043e\u0442 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430( \u043d\u0430\u0434\u0435\u044e\u0441\u044c \u043a \u043d\u0430\u0437\u0432\u0430\u043d\u0438\u044f\u043c \u043d\u0435 \u043f\u0440\u0438\u043a\u0430\u043f\u044b\u0432\u0430\u044e\u0442\u0441\u044f)<\/figcaption><\/div>\n<\/figure>\n<p>\u0421\u043e\u0437\u0434\u0430\u0434\u0438\u043c \u043f\u0440\u043e\u0441\u0442\u0435\u043d\u044c\u043a\u0438\u0435 \u043c\u043e\u0434\u0435\u043b\u0438 \u0432 <code>MauiMigrationsExample.Dal<\/code><\/p>\n<pre><code class=\"cs\">namespace MauiMigrationsExample.Dal.Models;  public class Author {     public int Id { get; set; }     public string Name { get; set; } = null!;      public List&lt;Book> Books { get; set; } = null!; }  public class Book {     public int Id { get; set; }     public string Name { get; set; } = null!;      public int AuthorId { get; set; }     public Author Author { get; set; } = null!; }<\/code><\/pre>\n<p>\u0410 \u0442\u0435\u043f\u0435\u0440\u044c \u0441\u0430\u043c\u043e\u0435 \u0432\u0430\u0436\u043d\u043e\u0435! \u042f \u043d\u0435 \u0445\u043e\u0447\u0443 \u0447\u0442\u043e \u0431\u044b \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430 \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442\u0430 \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u043b\u0430 \u0432 Dal. \u041f\u043e\u044d\u0442\u043e\u043c\u0443 \u043f\u043e\u0439\u0434\u0435\u043c \u043d\u0430 &#171;\u043f\u0440\u043e\u0441\u0442\u043e&#187; \u0440\u0435\u0448\u0435\u043d\u0438\u0435: \u043f\u0440\u043e\u043f\u0438\u0448\u0435\u043c \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u0435 \u0443\u0441\u043b\u043e\u0432\u0438\u0435 \u0432 <code>MauiMigrationsExample.Dal.csproj<\/code><\/p>\n<pre><code class=\"xml\">&lt;PropertyGroup Condition=\"'$(Configuration)'=='Migrate'\">   &lt;DefineConstants>EF_MIGRATION&lt;\/DefineConstants> &lt;\/PropertyGroup><\/code><\/pre>\n<p>\u0410\u0433\u0430, \u043c\u044b \u043f\u0440\u043e\u0441\u0442\u043e \u0434\u043e\u0431\u0430\u0432\u0438\u043b\u0438 \u043a\u043e\u043d\u0441\u0442\u0430\u043d\u0442\u0443 \u0434\u043b\u044f \u043f\u0440\u0435\u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440 \u0435\u0441\u043b\u0438 \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u044f \u0440\u0430\u0432\u043d\u0430 <strong>Migrate. <\/strong>\u0414\u0435\u043b\u043e \u0432 \u0442\u043e\u043c \u0447\u0442\u043e \u0441\u0430\u043c \u0445\u043e\u0447\u0435\u0442 <strong>dotnet-ef <\/strong>\u0447\u0442\u043e \u0431\u044b \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442 \u043f\u0435\u0440\u0435\u0434\u0430\u0432\u0430\u043b\u0441\u044f \u0432 ServiceCollection. \u042d\u0442\u043e \u043c\u043e\u0436\u043d\u043e \u0438\u0441\u043f\u0440\u0430\u0432\u0438\u0442\u044c \u0441 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u043e\u043c <code>--context(\u0438\u043b\u0438 -c)<\/code> , \u043d\u043e \u0442\u043e\u0433\u0434\u0430 \u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u043e \u043d\u0443\u0436\u043d\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u0442\u044c <code>OnConfiguring<\/code>.  \u041e\u0434\u043d\u0430\u043a\u043e \u043a\u0430\u043a \u044f \u0441\u043a\u0430\u0437\u0430\u043b \u0432\u044b\u0448\u0435 <em>&#187; \u042f \u043d\u0435 \u0445\u043e\u0447\u0443 \u0447\u0442\u043e \u0431\u044b \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430 \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442\u0430 \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u043b\u0430 \u0432 Dal&#187;.<\/em><\/p>\n<p>\u041f\u043e\u044d\u0442\u043e\u043c\u0443, \u0434\u0430\u043b\u0435\u0435 \u043f\u0438\u0448\u0435\u043c \u0443\u0436\u0435 \u0441\u0430\u043c \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u0434\u0438\u0440\u0435\u043a\u0442\u0438\u0432\u044b \u043f\u0440\u0435\u0434\u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u0430. <\/p>\n<pre><code class=\"cs\">using MauiMigrationsExample.Dal.Models; using Microsoft.EntityFrameworkCore; using SQLitePCL;  namespace MauiMigrationsExample.Dal; public class MauiDbContex : DbContext {     public DbSet&lt;Author> Authors { get; set; } = null!;     public DbSet&lt;Book> Books { get; set; } = null!;  #if !EF_MIGRATION     public MauiDbContex(DbContextOptions options) : base(options)     {         Batteries_V2.Init();     }  #else     public MauiDbContex()     {         Batteries_V2.Init();     }      protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)     {         optionsBuilder.UseSqlite($\"Filename=sad\");     } #endif      protected override void OnModelCreating(ModelBuilder modelBuilder)     {       ...     } }<\/code><\/pre>\n<p>\u0418 \u043f\u0438\u0448\u0435\u043c \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0443\u044e \u043a\u043e\u043c\u0430\u043d\u0434\u0443 \u0432 \u043a\u043e\u0440\u043d\u0435\u0432\u043e\u0439 \u043f\u0430\u043f\u043a\u0435 <code>MauiMigrationsExample.Dal<\/code> c \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u043e\u043c <code>--configuration<\/code>  <\/p>\n<pre><code class=\"bash\"> dotnet ef migrations add InitialCreate -c MauiDbContex --configuration Migrate<\/code><\/pre>\n<p>\u0415\u0441\u043b\u0438 \u0432\u0441\u0435 \u0441\u0440\u0430\u0431\u043e\u0442\u0430\u043b\u043e, \u0442\u043e \u043e\u0442\u043b\u0438\u0447\u043d\u043e! \u0412 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u0440\u0430\u0437 \u043d\u0430\u043c \u043d\u0435 \u043d\u0443\u0436\u043d\u043e \u044f\u0432\u043d\u043e \u0443\u043a\u0430\u0437\u044b\u0432\u0430\u0442\u044c \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442, \u043d\u043e \u043f\u0440\u0438\u0434\u0435\u0442\u0441\u044f \u0432\u0441\u0435 \u0442\u0430\u043a \u0436\u0435 \u043f\u0438\u0441\u0430\u0442\u044c <code>--configuration Migrate<\/code> <\/p>\n<p>\u041d\u0443 \u0442\u0435\u043f\u0435\u0440\u044c \u043f\u0435\u0440\u0435\u0439\u0434\u0435\u043c \u043a \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0435 <code>MauiMigrationsExample<\/code>. \u0414\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u043c \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442 :<\/p>\n<pre><code class=\"cs\">builder.Services.AddDbContext&lt;MauiDbContex>(options =>         {             var dbPath = Path.Combine(FileSystem.AppDataDirectory, \"maui.sqlite\");             options.UseSqlite($\"Filename={dbPath}\");         });<\/code><\/pre>\n<p>\u0418 \u043d\u0430\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u0435\u043c \u0432\u0430\u0448 App<\/p>\n<pre><code class=\"cs\">using MauiMigrationsExample.Dal; using Microsoft.EntityFrameworkCore;  namespace MauiMigrationsExample;  public partial class App : Application { public App(MauiDbContex context) {         MigrateIfHasMigration(context);  InitializeComponent();  MainPage = new AppShell(); }      private static void MigrateIfHasMigration(MauiDbContex contex)     {         if (contex.Database.GetPendingMigrations().Any())         {             contex.Database.Migrate();         }     } }<\/code><\/pre>\n<p>\u041a\u0440\u0443\u0442\u044c, \u0432\u0441\u0435 \u0434\u043e\u043b\u0436\u043d\u043e \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0442\u0435\u043f\u0435\u0440\u044c. \u0421\u043f\u0430\u0441\u0438\u0431\u043e \u0437\u0430 \u0432\u0430\u0448\u0435 \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u0435.<\/p>\n<\/p>\n<\/div>\n<\/div>\n<\/div>\n<p> <!----> <!----><\/div>\n<p> <!----> <!----><br \/> \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 <a href=\"https:\/\/habr.com\/ru\/post\/724380\/\"> https:\/\/habr.com\/ru\/post\/724380\/<\/a><br \/><\/br><\/br><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-347185","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/347185","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=347185"}],"version-history":[{"count":0,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/347185\/revisions"}],"wp:attachment":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=347185"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=347185"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=347185"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}