diff --git a/codegen/Templates/csharp/Project.mustache b/codegen/Templates/csharp/Project.mustache
index b21d44f..3a6c909 100644
--- a/codegen/Templates/csharp/Project.mustache
+++ b/codegen/Templates/csharp/Project.mustache
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <TargetFrameworks>netstandard2.0</TargetFrameworks>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-    <WarningsNotAsErrors>IDE0005;IDE0008;IDE1006</WarningsNotAsErrors>
+    <WarningsNotAsErrors>IDE0005;IDE1006</WarningsNotAsErrors>
     <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
     <AnalysisLevel>latest-Recommended</AnalysisLevel>
 
diff --git a/codegen/Templates/csharp/api.mustache b/codegen/Templates/csharp/api.mustache
index 23d59df..a88c0a9 100644
--- a/codegen/Templates/csharp/api.mustache
+++ b/codegen/Templates/csharp/api.mustache
@@ -29,7 +29,7 @@ namespace {{packageName}}.Api
         {
             _configuration = configuration;
 
-            var requestHandlers = new List<IRequestHandler>();
+            List<IRequestHandler> requestHandlers = new List<IRequestHandler>();
             switch (_configuration.AuthType)
             {
                 case AuthType.JWT:
@@ -86,7 +86,7 @@ namespace {{packageName}}.Api
             {{#-first}}var headerParams = new Dictionary<string, string>();{{/-first}}
             {{/headerParams}}
             {{#formParams}}
-            {{#-first}}var formParams = new MultipartFormDataContent();{{/-first}}
+            {{#-first}}MultipartFormDataContent formParams = new MultipartFormDataContent();{{/-first}}
             {{/formParams}}
             {{#pathParams}}
             resourcePath = UrlHelper.AddPathParameter(resourcePath, "{{paramName}}", request.{{baseName}});
@@ -105,7 +105,7 @@ namespace {{packageName}}.Api
                 {{/isFile}}
                 {{^isFile}}
                     {{#isCollectionFormatMulti}}
-                    foreach (var oneParam in request.{{baseName}})
+                    foreach (DecodeBarcodeType oneParam in request.{{baseName}})
                     {
                         formParams.Add(new StringContent(oneParam.ToString()), "{{baseName}}");
                     }
diff --git a/submodules/dotnet b/submodules/dotnet
index 8a80024..5b77447 160000
--- a/submodules/dotnet
+++ b/submodules/dotnet
@@ -1 +1 @@
-Subproject commit 8a80024c210302d68a05aa0fc48b864bbde97141
+Subproject commit 5b77447e164062b8510b99c95a325fc83361cb78