dileno

public class BlogPost
{
	[Key]
	public int PostId { get; set; }
	
	[Required]
	public string Creator { get; set; }
	
	[Required]
	public string Title { get; set; }

dileno

public class BlogPostsContext : DbContext
{
    public BlogPostsContext (DbContextOptions<BlogPostsContext> options)
        : base(options)
    {
    }

    public DbSet<BlogPost> BlogPosts { get; set; }
}

dileno

[Route("api/[controller]")]
[Produces("application/json")]
[ApiController]
public class BlogPostsController : ControllerBase
{
    private readonly BlogPostsContext _context;

    public BlogPostsController(BlogPostsContext context)
    {
        _context = context;

dileno

public class DataRepository<T> : IDataRepository<T> where T : class
{
    private readonly BlogPostsContext _context;

    public DataRepository(BlogPostsContext context)
    {
        _context = context;
    }

    public void Add(T entity)

dileno

public interface IDataRepository<T> where T : class
{
    void Add(T entity);
    void Update(T entity);
    void Delete(T entity);
    Task<T> SaveAsync(T entity);
}

dileno

[Produces("application/json")]
[Route("api/[controller]")]
[ApiController]
public class BlogPostsController : ControllerBase
{
    private readonly BlogPostsContext _context;
    private readonly IDataRepository<BlogPost> _repo;

    public BlogPostsController(BlogPostsContext context, IDataRepository<BlogPost> repo)
    {

dileno

_repo.Add(blogPost);
var save = await _repo.SaveAsync(blogPost);

dileno

"ConnectionStrings": {
  "BlogPostsContext": "Server=(localdb)\\mssqllocaldb;Database=BlogPostContext-d08fc301-dc66-44e2-8e02-b408c55da2cf;Trusted_Connection=True;MultipleActiveResultSets=true"
}

dileno

public void ConfigureServices(IServiceCollection services)
{
  services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_2);

  services.AddDbContext<BlogPostsContext>(options =>
          options.UseSqlServer(Configuration.GetConnectionString("BlogPostsContext")));

  services.AddCors(options =>
  {
      options.AddPolicy("CorsPolicy",

dileno

public void Configure(IApplicationBuilder app, IHostingEnvironment env)
{
	if (env.IsDevelopment())
	{
		app.UseDeveloperExceptionPage();
	}
	else
	{
		// The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
		app.UseHsts();