test.cs

using TXTextControl.Web.MVC.DocumentViewer;
var builder = WebApplication.CreateBuilder(args);

// adding CORS policy to allow all origins
builder.Services.AddCors(options =>
{
  options.AddDefaultPolicy(
         builder =>
         {
           builder.AllowAnyOrigin()
              .AllowAnyMethod()
              .AllowAnyHeader();
         });
});

// Add services to the container.
builder.Services.AddControllers();

var app = builder.Build();
app.UseDefaultFiles();
app.UseStaticFiles();

// Configure the HTTP request pipeline.
app.UseHttpsRedirection();
app.UseAuthorization();
app.UseRouting();

// adding CORS middleware
app.UseCors();

app.UseTXDocumentViewer();
app.MapControllers();
app.MapFallbackToFile("/index.html");
app.Run();