Resolved #471: Set conn string name as "Default" for the DbContext.

templates/mvc/src/MyCompanyName.MyProjectName.EntityFrameworkCore/EntityFrameworkCore/MyProjectNameDbContext.cs

@@ -1,6 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using Volo.Abp.AuditLogging.EntityFrameworkCore;
 using Volo.Abp.BackgroundJobs.EntityFrameworkCore;
+using Volo.Abp.Data;
 using Volo.Abp.EntityFrameworkCore;
 using Volo.Abp.Identity.EntityFrameworkCore;
 using Volo.Abp.PermissionManagement.EntityFrameworkCore;
@@ -8,6 +9,7 @@ using Volo.Abp.SettingManagement.EntityFrameworkCore;
 
 namespace MyCompanyName.MyProjectName.EntityFrameworkCore
 {
+    [ConnectionStringName("Default")]
     public class MyProjectNameDbContext : AbpDbContext<MyProjectNameDbContext>
     {
         public MyProjectNameDbContext(DbContextOptions<MyProjectNameDbContext> options)

templates/mvc/src/MyCompanyName.MyProjectName.MongoDB/MongoDb/MyProjectNameMongoDbContext.cs

@@ -1,8 +1,9 @@
-using MongoDB.Driver;
+using Volo.Abp.Data;
 using Volo.Abp.MongoDB;
 
 namespace MyCompanyName.MyProjectName.MongoDb
 {
+    [ConnectionStringName("Default")]
     public class MyProjectNameMongoDbContext : AbpMongoDbContext
     {