use allParams instead parameters element, in order to fix issue with method empty of arguments.

Author: HugoMario

modules/swagger-codegen/src/main/resources/aspnetcore/2.1/controller.mustache

@@ -22,9 +22,9 @@ namespace {{packageName}}.Controllers
     { {{#operation}}
         /// <summary>
         /// {{#summary}}{{summary}}{{/summary}}
-        /// </summary>{{#notes}}
-        /// <remarks>{{notes}}</remarks>{{/notes}}{{#parameters}}
-        /// <param name="{{paramName}}">{{description}}</param>{{/parameters}}{{#responses}}
+        /// </summary>
+        {{#notes}}/// <remarks>{{notes}}</remarks>{{/notes}}{{#allParams}}
+        /// <param name="{{paramName}}">{{description}}</param>{{/allParams}}{{#responses}}
         /// <response code="{{code}}">{{message}}</response>{{/responses}}
         [{{httpMethod}}]
         [Route("{{{basePathWithoutHost}}}{{{path}}}")]
@@ -44,7 +44,7 @@ namespace {{packageName}}.Controllers
         [ValidateModelState]
         [SwaggerOperation("{{operationId}}")]{{#responses}}{{#dataType}}
         [SwaggerResponse(statusCode: {{code}}, type: typeof({{&dataType}}), description: "{{message}}")]{{/dataType}}{{^dataType}}{{/dataType}}{{/responses}}
-        public virtual IActionResult {{operationId}}({{#parameters}}{{>pathParam}}{{>queryParam}}{{>bodyParam}}{{>formParam}}{{>headerParam}}{{#hasMore}}, {{/hasMore}}{{/parameters}})
+        public virtual IActionResult {{operationId}}({{#allParams}}{{>pathParam}}{{>queryParam}}{{>bodyParam}}{{>formParam}}{{>headerParam}}{{#hasMore}}, {{/hasMore}}{{/allParams}})
         { {{#responses}}
 {{#dataType}}
             //TODO: Uncomment the next line to return response {{code}} or use other options such as return this.NotFound(), return this.BadRequest(..), ...

modules/swagger-codegen/src/main/resources/aspnetcore/icontroller.mustache

@@ -17,10 +17,10 @@ using {{packageName}}.Models;
         /// <summary>
         /// {{#summary}}{{summary}}{{/summary}}
         /// </summary>
-        {{#notes}}/// <remarks>{{notes}}</remarks>{{/notes}}{{#parameters}}
-        /// <param name="{{paramName}}">{{description}}</param>{{/parameters}}{{#responses}}
+        {{#notes}}/// <remarks>{{notes}}</remarks>{{/notes}}{{#allParams}}
+        /// <param name="{{paramName}}">{{description}}</param>{{/allParams}}{{#responses}}
         /// <response code="{{code}}">{{message}}</response>{{/responses}}
-        IActionResult {{operationId}}({{#parameters}}{{>pathParam}}{{>queryParam}}{{>bodyParam}}{{>formParam}}{{>headerParam}}{{#hasMore}}, {{/hasMore}}{{/parameters}});
+        IActionResult {{operationId}}({{#allParams}}{{>pathParam}}{{>queryParam}}{{>bodyParam}}{{>formParam}}{{>headerParam}}{{#hasMore}}, {{/hasMore}}{{/allParams}});
         {{/operation}}
     }
 {{/operations}}