Arreglar conflicto de distintas versiones de Microsoft.ReportViewer

- Había tres paquetes distintos de ReportViewer coexistiendo en el proyecto
  Esto generaba conflictos al momento de compilar
- El web.config cruzaba ensamblados de dos versiones distintas de ReportViewer (no sé como seguía funcionando el sitio...)
- Ahora se utiliza el paquete oficial NuGet de ReportViewer
  OJO no es Microsoft.ReportViewer.2015, que es la versión 12.0.x.x
  El correcto y que se sigue actualizando es Microsoft.ReportingServices.ReportViewerControl
  La versión del paquete es 150.x pero las DLL son 15.0.x.x

App_Code/SqlServerTypes/Loader.cs

@@ -0,0 +1,45 @@
+using System;
+using System.IO;
+using System.Runtime.InteropServices;
+
+namespace SqlServerTypes
+{
+    /// <summary>
+    /// Utility methods related to CLR Types for SQL Server 
+    /// </summary>
+    public class Utilities
+    {
+        [DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
+        private static extern IntPtr LoadLibrary(string libname);
+
+        /// <summary>
+        /// Loads the required native assemblies for the current architecture (x86 or x64)
+        /// </summary>
+        /// <param name="rootApplicationPath">
+        /// Root path of the current application. Use Server.MapPath(".") for ASP.NET applications
+        /// and AppDomain.CurrentDomain.BaseDirectory for desktop applications.
+        /// </param>
+        public static void LoadNativeAssemblies(string rootApplicationPath)
+        {
+            var nativeBinaryPath = IntPtr.Size > 4
+                ? Path.Combine(rootApplicationPath, @"SqlServerTypes\x64\")
+                : Path.Combine(rootApplicationPath, @"SqlServerTypes\x86\");
+
+            LoadNativeAssembly(nativeBinaryPath, "msvcr120.dll");
+            LoadNativeAssembly(nativeBinaryPath, "SqlServerSpatial140.dll");
+        }
+
+        private static void LoadNativeAssembly(string nativeBinaryPath, string assemblyName)
+        {
+            var path = Path.Combine(nativeBinaryPath, assemblyName);
+            var ptr = LoadLibrary(path);
+            if (ptr == IntPtr.Zero)
+            {
+                throw new Exception(string.Format(
+                    "Error loading {0} (ErrorCode: {1})",
+                    assemblyName,
+                    Marshal.GetLastWin32Error()));
+            }
+        }
+    }
+}

Bin/Microsoft.ReportViewer.Common.dll.refresh

@@ -1 +1 @@
-..\packages\Microsoft.ReportViewer.2015.Runtime.12.0.2.2402\lib\Microsoft.ReportViewer.Common.dll
+..\packages\Microsoft.ReportingServices.ReportViewerControl.WebForms.150.1537.0\lib\net40\Microsoft.ReportViewer.Common.dll

Bin/Microsoft.ReportViewer.DataVisualization.dll.refresh

@@ -0,0 +1 @@
+..\packages\Microsoft.ReportingServices.ReportViewerControl.WebForms.150.1537.0\lib\net40\Microsoft.ReportViewer.DataVisualization.dll

Bin/Microsoft.ReportViewer.ProcessingObjectModel.DLL.refresh

@@ -1 +1 @@
-..\packages\Microsoft.ReportViewer.2015.Runtime.12.0.2.2402\lib\Microsoft.ReportViewer.ProcessingObjectModel.DLL
+..\packages\Microsoft.ReportingServices.ReportViewerControl.WebForms.150.1537.0\lib\net40\Microsoft.ReportViewer.ProcessingObjectModel.dll

Bin/Microsoft.ReportViewer.WebForms.DLL.refresh

@@ -1 +1 @@
-..\packages\Microsoft.ReportViewer.2015.Runtime.12.0.2.2402\lib\Microsoft.ReportViewer.WebForms.DLL
+..\packages\Microsoft.ReportingServices.ReportViewerControl.WebForms.150.1537.0\lib\net40\Microsoft.ReportViewer.WebForms.dll

packages.config

@@ -53,11 +53,8 @@
   <package id="Microsoft.Owin.Host.SystemWeb" version="3.0.1" targetFramework="net461" />
   <package id="Microsoft.Owin.Security" version="4.2.0" targetFramework="net461" />
   <package id="Microsoft.Owin.Security.OAuth" version="4.1.0" targetFramework="net461" />
-  <package id="Microsoft.ReportingServices.ReportViewerControl.WebForms" version="150.1358.0" targetFramework="net461" />
-  <package id="Microsoft.ReportViewer.2015.Runtime" version="12.0.2.2402" targetFramework="net461" />
-  <package id="Microsoft.ReportViewer.Common.v12" version="12.0.0.1" targetFramework="net461" />
-  <package id="Microsoft.ReportViewer.WebForms.v12" version="12.0.0.0" targetFramework="net461" />
-  <package id="Microsoft.SqlServer.Types" version="14.0.1016.290" targetFramework="net461" />
+  <package id="Microsoft.ReportingServices.ReportViewerControl.WebForms" version="150.1537.0" targetFramework="net48" />
+  <package id="Microsoft.SqlServer.Types" version="14.0.1016.290" targetFramework="net48" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net461" />
   <package id="Microsoft.Web.Xdt" version="2.1.1" targetFramework="net48" />
   <package id="morelinq" version="3.3.2" targetFramework="net461" />