C# MigrationBuilder.DropForeignKey方法代码示例

本文整理汇总了C#中MigrationBuilder.DropForeignKey方法的典型用法代码示例。如果您正苦于以下问题：C# MigrationBuilder.DropForeignKey方法的具体用法？C# MigrationBuilder.DropForeignKey怎么用？C# MigrationBuilder.DropForeignKey使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类MigrationBuilder的用法示例。

在下文中一共展示了MigrationBuilder.DropForeignKey方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: Up

        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.DropForeignKey(
                name: "FK_AspNetRoles_RoleGroups_RoleGroupId",
                table: "AspNetRoles");

            migrationBuilder.DropForeignKey(
                name: "FK_RoleGroups_AspNetRoles_RoleId",
                table: "RoleGroups");

            migrationBuilder.DropIndex(
                name: "IX_RoleGroups_RoleId",
                table: "RoleGroups");

            migrationBuilder.DropIndex(
                name: "IX_AspNetRoles_RoleGroupId",
                table: "AspNetRoles");

            migrationBuilder.DropColumn(
                name: "RoleId",
                table: "RoleGroups");

            migrationBuilder.DropColumn(
                name: "RoleGroupId",
                table: "AspNetRoles");

            migrationBuilder.CreateTable(
                name: "RoleRoleGroups",
                columns: table => new
                {
                    RoleId = table.Column<int>(nullable: false),
                    RoleGroupId = table.Column<int>(nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_RoleRoleGroups", x => new { x.RoleId, x.RoleGroupId });
                    table.ForeignKey(
                        name: "FK_RoleRoleGroups_RoleGroups_RoleGroupId",
                        column: x => x.RoleGroupId,
                        principalTable: "RoleGroups",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Restrict);
                    table.ForeignKey(
                        name: "FK_RoleRoleGroups_AspNetRoles_RoleId",
                        column: x => x.RoleId,
                        principalTable: "AspNetRoles",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Restrict);
                });

            migrationBuilder.CreateIndex(
                name: "IX_RoleRoleGroups_RoleGroupId",
                table: "RoleRoleGroups",
                column: "RoleGroupId");

            migrationBuilder.CreateIndex(
                name: "IX_RoleRoleGroups_RoleId",
                table: "RoleRoleGroups",
                column: "RoleId");
        }

开发者ID:parys，项目名称:MyLiverpool，代码行数:60，代码来源:20160913140636_AddedRoleRoleGroupTable.cs

示例2: Down

 protected override void Down(MigrationBuilder migrationBuilder)
 {
     migrationBuilder.DropForeignKey(name: "FK_Photo_Album_AlbumId", table: "Photo");
     migrationBuilder.DropForeignKey(name: "FK_UserRole_Role_RoleId", table: "UserRole");
     migrationBuilder.DropForeignKey(name: "FK_UserRole_User_UserId", table: "UserRole");
     migrationBuilder.AddColumn<string>(
         name: "Throwaway",
         table: "Album",
         nullable: true);
     migrationBuilder.AddForeignKey(
         name: "FK_Photo_Album_AlbumId",
         table: "Photo",
         column: "AlbumId",
         principalTable: "Album",
         principalColumn: "Id",
         onDelete: ReferentialAction.Restrict);
     migrationBuilder.AddForeignKey(
         name: "FK_UserRole_Role_RoleId",
         table: "UserRole",
         column: "RoleId",
         principalTable: "Role",
         principalColumn: "Id",
         onDelete: ReferentialAction.Restrict);
     migrationBuilder.AddForeignKey(
         name: "FK_UserRole_User_UserId",
         table: "UserRole",
         column: "UserId",
         principalTable: "User",
         principalColumn: "Id",
         onDelete: ReferentialAction.Restrict);
 }

开发者ID:bensgroi，项目名称:PhotoGallery，代码行数:31，代码来源:20160126215653_unused.cs

示例3: Up

 protected override void Up(MigrationBuilder migrationBuilder)
 {
     migrationBuilder.DropForeignKey(name: "FK_Resource_ResourceType_ResourceTypeId", table: "Resource");
     migrationBuilder.DropForeignKey(name: "FK_Resource_Supplier_SupplierId", table: "Resource");
     migrationBuilder.DropForeignKey(name: "FK_Supplier_Address_AddressId", table: "Supplier");
     migrationBuilder.AddForeignKey(
         name: "FK_Resource_ResourceType_ResourceTypeId",
         table: "Resource",
         column: "ResourceTypeId",
         principalTable: "ResourceType",
         principalColumn: "Id",
         onDelete: ReferentialAction.Cascade);
     migrationBuilder.AddForeignKey(
         name: "FK_Resource_Supplier_SupplierId",
         table: "Resource",
         column: "SupplierId",
         principalTable: "Supplier",
         principalColumn: "Id",
         onDelete: ReferentialAction.Cascade);
     migrationBuilder.AddForeignKey(
         name: "FK_Supplier_Address_AddressId",
         table: "Supplier",
         column: "AddressId",
         principalTable: "Address",
         principalColumn: "Id",
         onDelete: ReferentialAction.Cascade);
 }

开发者ID:DevJams，项目名称:HCMC-HCMC.Azure.API，代码行数:27，代码来源:20160126200255_Resource4.cs

示例4: Down

 protected override void Down(MigrationBuilder migrationBuilder)
 {
     migrationBuilder.DropForeignKey(name: "FK_ReleaseBatchItem_ReleaseBatch_ReleaseBatchId", schema: "kraken", table: "ReleaseBatchItem");
     migrationBuilder.DropForeignKey(name: "FK_ReleaseBatchLogo_ReleaseBatch_ReleaseBatchId", schema: "kraken", table: "ReleaseBatchLogo");
     migrationBuilder.DropColumn(name: "IsLocked", schema: "kraken", table: "ReleaseBatch");
     migrationBuilder.DropColumn(name: "LockComment", schema: "kraken", table: "ReleaseBatch");
     migrationBuilder.DropColumn(name: "LockUserName", schema: "kraken", table: "ReleaseBatch");
     migrationBuilder.AddForeignKey(
         name: "FK_ReleaseBatchItem_ReleaseBatch_ReleaseBatchId",
         schema: "kraken",
         table: "ReleaseBatchItem",
         column: "ReleaseBatchId",
         principalSchema: "kraken",
         principalTable: "ReleaseBatch",
         principalColumn: "Id",
         onDelete: ReferentialAction.Restrict);
     migrationBuilder.AddForeignKey(
         name: "FK_ReleaseBatchLogo_ReleaseBatch_ReleaseBatchId",
         schema: "kraken",
         table: "ReleaseBatchLogo",
         column: "ReleaseBatchId",
         principalSchema: "kraken",
         principalTable: "ReleaseBatch",
         principalColumn: "Id",
         onDelete: ReferentialAction.Restrict);
 }

开发者ID:Zywave，项目名称:OctopusDeploy-Kraken，代码行数:26，代码来源:20160328171325_lockbatch.cs

示例5: Up

 protected override void Up(MigrationBuilder migrationBuilder)
 {
     migrationBuilder.DropForeignKey(name: "FK_Category_Article", table: "Article");
     migrationBuilder.DropForeignKey(name: "FK_Section_Category", table: "Category");
     migrationBuilder.AlterColumn<int>(
         name: "SectionId",
         table: "Section",
         nullable: false)
         .Annotation("SqlServer:ValueGenerationStrategy", SqlServerValueGenerationStrategy.IdentityColumn);
     migrationBuilder.AddColumn<bool>(
         name: "IsDeleted",
         table: "Section",
         nullable: false,
         defaultValue: false);
     migrationBuilder.AddForeignKey(
         name: "FK_Category_Article",
         table: "Article",
         column: "CategoryId",
         principalTable: "Category",
         principalColumn: "CategoryId",
         onDelete: ReferentialAction.Cascade);
     migrationBuilder.AddForeignKey(
         name: "FK_Section_Category",
         table: "Category",
         column: "SectionId",
         principalTable: "Section",
         principalColumn: "SectionId",
         onDelete: ReferentialAction.Cascade);
 }

开发者ID:sergeyb12345，项目名称:MarketHunter，代码行数:29，代码来源:20151230124011_SectionIsDeleted.cs

示例6: Up

 protected override void Up(MigrationBuilder migrationBuilder)
 {
     migrationBuilder.DropForeignKey(name: "FK_Photo_Album_AlbumId", table: "Photo");
     migrationBuilder.DropForeignKey(name: "FK_UserRole_Role_RoleId", table: "UserRole");
     migrationBuilder.DropForeignKey(name: "FK_UserRole_User_UserId", table: "UserRole");
     migrationBuilder.DropColumn(name: "Throwaway", table: "Album");
     migrationBuilder.AddForeignKey(
         name: "FK_Photo_Album_AlbumId",
         table: "Photo",
         column: "AlbumId",
         principalTable: "Album",
         principalColumn: "Id",
         onDelete: ReferentialAction.Cascade);
     migrationBuilder.AddForeignKey(
         name: "FK_UserRole_Role_RoleId",
         table: "UserRole",
         column: "RoleId",
         principalTable: "Role",
         principalColumn: "Id",
         onDelete: ReferentialAction.Cascade);
     migrationBuilder.AddForeignKey(
         name: "FK_UserRole_User_UserId",
         table: "UserRole",
         column: "UserId",
         principalTable: "User",
         principalColumn: "Id",
         onDelete: ReferentialAction.Cascade);
 }

开发者ID:bensgroi，项目名称:PhotoGallery，代码行数:28，代码来源:20160126215653_unused.cs

示例7: Down

        public override void Down(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.DropForeignKey("AspNetRoleClaims", "FK_AspNetRoleClaims_AspNetRoles_RoleId");

            migrationBuilder.DropForeignKey("AspNetUserClaims", "FK_AspNetUserClaims_AspNetUsers_UserId");

            migrationBuilder.DropForeignKey("AspNetUserLogins", "FK_AspNetUserLogins_AspNetUsers_UserId");

            migrationBuilder.DropForeignKey("CourseTracker", "FK_CourseTracker_AspNetUsers_ApplicationUserId");

            migrationBuilder.DropForeignKey("CourseTracker", "FK_CourseTracker_Course_CourseID");

            migrationBuilder.DropTable("AspNetRoles");

            migrationBuilder.DropTable("AspNetRoleClaims");

            migrationBuilder.DropTable("AspNetUserClaims");

            migrationBuilder.DropTable("AspNetUserLogins");

            migrationBuilder.DropTable("AspNetUserRoles");

            migrationBuilder.DropTable("AspNetUsers");

            migrationBuilder.DropTable("Course");

            migrationBuilder.DropTable("CourseTracker");
        }

开发者ID:haoas，项目名称:virtual-training-tracker，代码行数:28，代码来源:201504050633346_nav.cs

示例8: Down

 protected override void Down(MigrationBuilder migrationBuilder)
 {
     migrationBuilder.DropForeignKey(name: "FK_BatNodeLog_BatCall_FirstCallId", table: "BatNodeLogs");
     migrationBuilder.DropForeignKey(name: "FK_BatNodeLog_BatCall_LastCallId", table: "BatNodeLogs");
     migrationBuilder.DropTable("BatCalls");
     migrationBuilder.DropTable("BatNodeLogs");
 }

开发者ID:mjeanrichard，项目名称:TeensyBat，代码行数:7，代码来源:20160313194140_Migration01Initial.cs

示例9: Down

 protected override void Down(MigrationBuilder migrationBuilder)
 {
     migrationBuilder.DropForeignKey(name: "FK_MenuItem_Category_CategoryId", table: "MenuItem");
     migrationBuilder.DropForeignKey(name: "FK_OrderItem_Order_OrderId", table: "OrderItem");
     migrationBuilder.AlterColumn<int>(
         name: "Id",
         table: "OrderItem",
         nullable: false)
         .Annotation("SqlServer:ValueGenerationStrategy", SqlServerValueGenerationStrategy.IdentityColumn);
     migrationBuilder.AddColumn<decimal>(
         name: "Total",
         table: "Order",
         nullable: false,
         defaultValue: 0m);
     migrationBuilder.AddForeignKey(
         name: "FK_MenuItem_Category_CategoryId",
         table: "MenuItem",
         column: "CategoryId",
         principalTable: "Category",
         principalColumn: "Id",
         onDelete: ReferentialAction.Restrict);
     migrationBuilder.AddForeignKey(
         name: "FK_OrderItem_Order_OrderId",
         table: "OrderItem",
         column: "OrderId",
         principalTable: "Order",
         principalColumn: "Id",
         onDelete: ReferentialAction.Restrict);
 }

开发者ID:hanjia2014，项目名称:HotmenuApp.rc1，代码行数:29，代码来源:20151124025524_OrderItemIdColumn.cs

示例10: Up

 protected override void Up(MigrationBuilder migrationBuilder)
 {
     migrationBuilder.DropForeignKey(name: "FK_IdentityRoleClaim<string>_IdentityRole_RoleId", table: "AspNetRoleClaims");
     migrationBuilder.DropForeignKey(name: "FK_IdentityUserClaim<string>_ApplicationUser_UserId", table: "AspNetUserClaims");
     migrationBuilder.DropForeignKey(name: "FK_IdentityUserLogin<string>_ApplicationUser_UserId", table: "AspNetUserLogins");
     migrationBuilder.DropForeignKey(name: "FK_IdentityUserRole<string>_IdentityRole_RoleId", table: "AspNetUserRoles");
     migrationBuilder.DropForeignKey(name: "FK_IdentityUserRole<string>_ApplicationUser_UserId", table: "AspNetUserRoles");
     migrationBuilder.AlterColumn<string>(
         name: "UserId",
         table: "AspNetUserLogins",
         nullable: false);
     migrationBuilder.AlterColumn<string>(
         name: "UserId",
         table: "AspNetUserClaims",
         nullable: false);
     migrationBuilder.AlterColumn<string>(
         name: "RoleId",
         table: "AspNetRoleClaims",
         nullable: false);
     migrationBuilder.AddColumn<string>(
         name: "Discriminator",
         table: "AspNetRoles",
         nullable: false,
         defaultValue: "");
     migrationBuilder.AddForeignKey(
         name: "FK_IdentityRoleClaim<string>_IdentityRole_RoleId",
         table: "AspNetRoleClaims",
         column: "RoleId",
         principalTable: "AspNetRoles",
         principalColumn: "Id",
         onDelete: ReferentialAction.Cascade);
     migrationBuilder.AddForeignKey(
         name: "FK_IdentityUserClaim<string>_ApplicationUser_UserId",
         table: "AspNetUserClaims",
         column: "UserId",
         principalTable: "AspNetUsers",
         principalColumn: "Id",
         onDelete: ReferentialAction.Cascade);
     migrationBuilder.AddForeignKey(
         name: "FK_IdentityUserLogin<string>_ApplicationUser_UserId",
         table: "AspNetUserLogins",
         column: "UserId",
         principalTable: "AspNetUsers",
         principalColumn: "Id",
         onDelete: ReferentialAction.Cascade);
     migrationBuilder.AddForeignKey(
         name: "FK_IdentityUserRole<string>_IdentityRole_RoleId",
         table: "AspNetUserRoles",
         column: "RoleId",
         principalTable: "AspNetRoles",
         principalColumn: "Id",
         onDelete: ReferentialAction.Cascade);
     migrationBuilder.AddForeignKey(
         name: "FK_IdentityUserRole<string>_ApplicationUser_UserId",
         table: "AspNetUserRoles",
         column: "UserId",
         principalTable: "AspNetUsers",
         principalColumn: "Id",
         onDelete: ReferentialAction.Cascade);
 }

开发者ID:longlostbro，项目名称:MinecraftWeb，代码行数:60，代码来源:20160219020402_migrate.cs

示例11: Down

 protected override void Down(MigrationBuilder migrationBuilder)
 {
     migrationBuilder.DropForeignKey(name: "FK_Category_Article", table: "Article");
     migrationBuilder.DropForeignKey(name: "FK_Section_Category", table: "Category");
     migrationBuilder.AlterColumn<string>(
         name: "Url",
         table: "Section",
         nullable: true);
     migrationBuilder.AlterColumn<string>(
         name: "Title",
         table: "Section",
         nullable: true);
     migrationBuilder.AlterColumn<string>(
         name: "Url",
         table: "Category",
         nullable: true);
     migrationBuilder.AlterColumn<string>(
         name: "Title",
         table: "Category",
         nullable: true);
     migrationBuilder.AddForeignKey(
         name: "FK_Category_Article",
         table: "Article",
         column: "CategoryId",
         principalTable: "Category",
         principalColumn: "CategoryId",
         onDelete: ReferentialAction.Restrict);
 }

开发者ID:sergeyb12345，项目名称:MarketHunter，代码行数:28，代码来源:20151229104238_FkSectionCategory.cs

示例12: Down

 protected override void Down(MigrationBuilder migrationBuilder)
 {
     migrationBuilder.DropForeignKey(name: "FK_PriceHistory_Stock_StockId", table: "PriceHistory");
     migrationBuilder.DropForeignKey(name: "FK_Txn_Stock_StockId", table: "Txn");
     migrationBuilder.AlterColumn<decimal>(
         name: "Open",
         table: "PriceHistory",
         nullable: false);
     migrationBuilder.AlterColumn<decimal>(
         name: "Low",
         table: "PriceHistory",
         nullable: false);
     migrationBuilder.AlterColumn<decimal>(
         name: "High",
         table: "PriceHistory",
         nullable: false);
     migrationBuilder.AlterColumn<decimal>(
         name: "Close",
         table: "PriceHistory",
         nullable: false);
     migrationBuilder.AddForeignKey(
         name: "FK_PriceHistory_Stock_StockId",
         table: "PriceHistory",
         column: "StockId",
         principalTable: "Stock",
         principalColumn: "Id",
         onDelete: ReferentialAction.Restrict);
     migrationBuilder.AddForeignKey(
         name: "FK_Txn_Stock_StockId",
         table: "Txn",
         column: "StockId",
         principalTable: "Stock",
         principalColumn: "Id",
         onDelete: ReferentialAction.Restrict);
 }

开发者ID:isonaj，项目名称:portfolio2，代码行数:35，代码来源:20160221113610_3DecimalPrices.cs

示例13: Up

 protected override void Up(MigrationBuilder migrationBuilder)
 {
     migrationBuilder.DropForeignKey(name: "FK_IdentityRoleClaim<string>_IdentityRole_RoleId", table: "AspNetRoleClaims");
     migrationBuilder.DropForeignKey(name: "FK_IdentityUserClaim<string>_ApplicationUser_UserId", table: "AspNetUserClaims");
     migrationBuilder.DropForeignKey(name: "FK_IdentityUserLogin<string>_ApplicationUser_UserId", table: "AspNetUserLogins");
     migrationBuilder.DropForeignKey(name: "FK_IdentityUserRole<string>_IdentityRole_RoleId", table: "AspNetUserRoles");
     migrationBuilder.DropForeignKey(name: "FK_IdentityUserRole<string>_ApplicationUser_UserId", table: "AspNetUserRoles");
     migrationBuilder.CreateTable(
         name: "Event",
         columns: table => new
         {
             ID = table.Column<int>(nullable: false)
                 .Annotation("SqlServer:ValueGenerationStrategy", SqlServerValueGenerationStrategy.IdentityColumn),
             CompleteAddress = table.Column<string>(nullable: true),
             EventEnd = table.Column<DateTime>(nullable: false),
             EventStart = table.Column<DateTime>(nullable: false),
             IsCurrent = table.Column<bool>(nullable: false),
             Name = table.Column<string>(nullable: true),
             SocialMediaHashtag = table.Column<string>(nullable: true)
         },
         constraints: table =>
         {
             table.PrimaryKey("PK_Event", x => x.ID);
         });
     migrationBuilder.AddForeignKey(
         name: "FK_IdentityRoleClaim<string>_IdentityRole_RoleId",
         table: "AspNetRoleClaims",
         column: "RoleId",
         principalTable: "AspNetRoles",
         principalColumn: "Id",
         onDelete: ReferentialAction.Cascade);
     migrationBuilder.AddForeignKey(
         name: "FK_IdentityUserClaim<string>_ApplicationUser_UserId",
         table: "AspNetUserClaims",
         column: "UserId",
         principalTable: "AspNetUsers",
         principalColumn: "Id",
         onDelete: ReferentialAction.Cascade);
     migrationBuilder.AddForeignKey(
         name: "FK_IdentityUserLogin<string>_ApplicationUser_UserId",
         table: "AspNetUserLogins",
         column: "UserId",
         principalTable: "AspNetUsers",
         principalColumn: "Id",
         onDelete: ReferentialAction.Cascade);
     migrationBuilder.AddForeignKey(
         name: "FK_IdentityUserRole<string>_IdentityRole_RoleId",
         table: "AspNetUserRoles",
         column: "RoleId",
         principalTable: "AspNetRoles",
         principalColumn: "Id",
         onDelete: ReferentialAction.Cascade);
     migrationBuilder.AddForeignKey(
         name: "FK_IdentityUserRole<string>_ApplicationUser_UserId",
         table: "AspNetUserRoles",
         column: "UserId",
         principalTable: "AspNetUsers",
         principalColumn: "Id",
         onDelete: ReferentialAction.Cascade);
 }

开发者ID:desinole，项目名称:codecampster，代码行数:60，代码来源:20160130041403_addeventtable.cs

示例14: Down

 protected override void Down(MigrationBuilder migrationBuilder)
 {
     migrationBuilder.DropForeignKey(name: "FK_Produto_Categoria_CategoriaID", table: "Produto");
     migrationBuilder.DropForeignKey(name: "FK_ProdutoVenda_Produto_ProdutoID", table: "ProdutoVenda");
     migrationBuilder.DropForeignKey(name: "FK_ProdutoVenda_Venda_VendaID", table: "ProdutoVenda");
     migrationBuilder.DropColumn(name: "Discriminator", table: "Usuario");
     migrationBuilder.DropColumn(name: "CPF", table: "Usuario");
     migrationBuilder.DropColumn(name: "CNPJ", table: "Usuario");
     migrationBuilder.AddForeignKey(
         name: "FK_Produto_Categoria_CategoriaID",
         table: "Produto",
         column: "CategoriaID",
         principalTable: "Categoria",
         principalColumn: "ID",
         onDelete: ReferentialAction.Restrict);
     migrationBuilder.AddForeignKey(
         name: "FK_ProdutoVenda_Produto_ProdutoID",
         table: "ProdutoVenda",
         column: "ProdutoID",
         principalTable: "Produto",
         principalColumn: "ID",
         onDelete: ReferentialAction.Restrict);
     migrationBuilder.AddForeignKey(
         name: "FK_ProdutoVenda_Venda_VendaID",
         table: "ProdutoVenda",
         column: "VendaID",
         principalTable: "Venda",
         principalColumn: "ID",
         onDelete: ReferentialAction.Restrict);
 }

开发者ID:ClairtonLopesJr，项目名称:LABS，代码行数:30，代码来源:20161120012824_tiposUsuario.cs

示例15: Down

 protected override void Down(MigrationBuilder migrationBuilder)
 {
     migrationBuilder.DropForeignKey(name: "FK_OpeningHours_Shop_ShopId", table: "OpeningHours");
     migrationBuilder.DropForeignKey(name: "FK_Prize_Shop_ShopId", table: "Prize");
     migrationBuilder.DropForeignKey(name: "FK_Puzzle_Shop_ShopId", table: "Puzzle");
     migrationBuilder.AddForeignKey(
         name: "FK_OpeningHours_Shop_ShopId",
         table: "OpeningHours",
         column: "ShopId",
         principalTable: "Shop",
         principalColumn: "ID",
         onDelete: ReferentialAction.Restrict);
     migrationBuilder.AddForeignKey(
         name: "FK_Prize_Shop_ShopId",
         table: "Prize",
         column: "ShopId",
         principalTable: "Shop",
         principalColumn: "ID",
         onDelete: ReferentialAction.Restrict);
     migrationBuilder.AddForeignKey(
         name: "FK_Puzzle_Shop_ShopId",
         table: "Puzzle",
         column: "ShopId",
         principalTable: "Shop",
         principalColumn: "ID",
         onDelete: ReferentialAction.Restrict);
 }

开发者ID:sickpres，项目名称:PuzzleAdv，代码行数:27，代码来源:20160403132446_Puzzle8.cs

注：本文中的MigrationBuilder.DropForeignKey方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。