Startup.cs

using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using jsreport.AspNetCore;
using jsreport.Local;
using jsreport.Binary;

namespace WebApp
{
    public class Startup
    {        
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddMvc();              
            services.AddJsReport(new LocalReporting().UseBinary(JsReportBinary.GetBinary()).AsUtility().Create());
        }
        
        public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)
        {
            app.UseStaticFiles();

            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }

            app.UseMvc(routes =>
            {
                routes.MapRoute(
                    name: "default",
                    template: "{controller=Home}/{action=Index}/{id?}");
            });
        }    
    }
}