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    <p>Below is the copy of my own working code. I do not pretending that my code is perfect, but it is handy and has loose coupleness. Also, it will be quite big amount of code, but do not be afraid =)...</p> <p><strong>IEntity:</strong></p> <pre><code>public interface IEntity { int Id { get; set; } } </code></pre> <p><strong>AbstractRepository and interface:</strong></p> <pre><code>public interface IRepository&lt;T&gt; { IEnumerable&lt;T&gt; List(); IEnumerable&lt;T&gt; List(Func&lt;T, bool&gt; pred); T Get(int id); T Get(Func&lt;T, bool&gt; pred); void Add(T entity); T Update(T entity); void Delete(T entity); void Delete(Func&lt;T, bool&gt; pred); } public abstract class AbstractRepository&lt;TEntity, TContext&gt; : IRepository&lt;TEntity&gt; where TContext : DbContext, new() where TEntity : class, IEntity { protected TContext context; public AbstractRepository(UnitOfWork&lt;TContext&gt; unit) { context = unit.Context; } public virtual IEnumerable&lt;TEntity&gt; List() { return context.Set&lt;TEntity&gt;(); } public virtual IEnumerable&lt;TEntity&gt; List(Func&lt;TEntity, bool&gt; pred) { return context.Set&lt;TEntity&gt;().Where(pred); } public virtual TEntity Get(int id) { return context.Set&lt;TEntity&gt;().Find(id); } public virtual TEntity Get(Func&lt;TEntity, bool&gt; pred) { return context.Set&lt;TEntity&gt;().FirstOrDefault(pred); } public virtual void Add(TEntity entity) { if (entity.Id &lt;= 0) context.Entry(entity).State = System.Data.EntityState.Added; } public virtual TEntity Update(TEntity entity) { if (entity.Id &gt; 0) { context.Entry(entity).State = System.Data.EntityState.Modified; return entity; } return null; } public virtual void Delete(TEntity entity) { context.Entry(entity).State = System.Data.EntityState.Deleted; } public virtual void Delete(Func&lt;TEntity, bool&gt; pred) { foreach (var entity in List(pred)) { Delete(entity); } } } </code></pre> <p><strong>Concrete repository:</strong></p> <pre><code>public class GroupRepository : AbstractRepository&lt;Group, SurveyContext&gt; { public GroupRepository(UnitOfWork&lt;SurveyContext&gt; unit) : base(unit) { } } </code></pre> <p><strong>DbContext successor:</strong></p> <pre><code>public class SurveyContext: DbContext { public SurveyContext() : base("name=ApplicationConnection") { } protected override void OnModelCreating(DbModelBuilder modelBuilder) { //Optional modelBuilder.Configurations.Add(new Confuration1()); modelBuilder.Configurations.Add(new Confuration2()); modelBuilder.Configurations.Add(new Confuration3()); modelBuilder.Configurations.Add(new GroupConfiguration()); base.OnModelCreating(modelBuilder); } public DbSet&lt;Group&gt; Groups { get; set; } public DbSet&lt;Foo&gt; Foos { get; set; } public DbSet&lt;Bar&gt; Bars { get; set; } } </code></pre> <p><strong>Unit of work:</strong></p> <pre><code>public class UnitOfWork&lt;TContext&gt; : IDisposable where TContext: DbContext, new() { public TContext Context { get; private set; } public UnitOfWork(TContext context) { Context = context; } public UnitOfWork() : this(new TContext()) { } public void Commit() { Context.SaveChanges(); } public void Dispose() { } } </code></pre> <p><strong>Usage:</strong></p> <pre><code>using (var unit = new UnitOfWork&lt;SurveyContext&gt;()) { //ViewDataSynchronize.SynchronizeSectionsForGroup(context, model.SectionIds, model.Group); var repo = new GroupRepository(unit); repo.Add(model.Group); unit.Commit(); } </code></pre>
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    1. POHow to make a repository for class with <T> in EF
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    1. USAlex G.P.
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    1. COThank You for an excellent answer! I tried your example and got the solution working. It seems like the DbSet's cannot be created using the <T> -notation. E.g. `public class UnitOFWorkTestContext : DbContext { ... public DbSet<TClass<int>> TClass_Int { get; set; } ...` Gives error: _The type 'UnitOFWorkTest.Models.TClass`1[System.Int32]' was not mapped. Check that the type has not been explicitly excluded by using the Ignore method or NotMappedAttribute data annotation. Verify that the type was defined as a class, is not primitive, nested or generic, and does not inherit from EntityObject._
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    2. COIt seems that following questions explains your situation: http://stackoverflow.com/questions/13000748/use-string-as-type-of-dbset-like-dbsetstring-in-ef-codefirst
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    3. COAre you trying to use plain .NET type instead of class? It will not works.
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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

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