Added .NET core SQL tester

SqlTester/Webtester/Pages/Index.cshtml.cs

@@ -0,0 +1,58 @@
+using EonaCat.Sql;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+
+namespace Webtester.Pages
+{
+    public class IndexModel : PageModel
+    {
+        private readonly ILogger<IndexModel> _logger;
+
+        public IndexModel(ILogger<IndexModel> logger)
+        {
+            _logger = logger;
+        }
+
+        public void OnGet()
+        {
+            TestsqlServer();
+        }
+
+        private static async void TestsqlServer()
+        {
+            var customerId = "AROUT";
+            var result = SqlHelper.ExecuteQuery(
+                new Microsoft.Data.SqlClient.SqlConnection(@"Server=localhost;Database=NorthWind;User Id=sa;Password=jeroen;TrustServerCertificate=Yes;"),
+                $"SELECT * FROM Customers WHERE CustomerID = @0 AND Country = @1"
+                , true, customerId, "UK");
+
+            if (result.HasResult && result.HasRows)
+            {
+                Console.WriteLine($"Found '{result.TotalRows}' " + ((result.TotalRows > 1) ? "rows" : "row"));
+                Console.WriteLine(string.Empty);
+                foreach (var record in result.DataSet)
+                {
+                    Console.WriteLine(record.CustomerID);
+                    Console.WriteLine(record.ContactTitle);
+                }
+            }
+            else
+            {
+                if (!result.HasResult)
+                {
+                    Console.WriteLine("No valid result!");
+                }
+
+                if (!result.HasRows)
+                {
+                    Console.WriteLine("No rows found");
+                }
+                if (result.HasException)
+                {
+                    Console.WriteLine(result.Exception);
+                }
+            }
+            Console.ReadLine();
+        }
+    }
+}