implementado login a travez de coockies

Modelo/RepositorioBase.cs

@@ -7,22 +7,19 @@ namespace Modelo;
 public abstract class RepositorioBase<S>
     where S : new()
 {
-    protected AlquilaFacilContext Context { get; set; } = new AlquilaFacilContext();
-
+    protected AlquilaFacilContext Context { get{ return new AlquilaFacilContext();}}
     private static readonly S  instance = new();
     public static S Singleton { get{return instance;}}
 
-    public bool Guardar(){
+    public bool Guardar(AlquilaFacilContext context){
         bool ret = false;
         try
         {
-            Context.SaveChanges();
-            Context.Dispose();
-            Context = new AlquilaFacilContext();
+            context.SaveChanges();
+            context.Dispose();
             ret = true;
         } catch (DbUpdateException ex)
         {
-            Context = new AlquilaFacilContext();
             Console.Error.WriteLine(ex.Message);
         }
         return ret;