Add project files.

SaOperationsMgrWeb/Web/System/OpnModelBinderProvider.cs

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+using Microsoft.AspNetCore.Mvc.ModelBinding;
+using Microsoft.AspNetCore.Mvc.ModelBinding.Binders;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Sarand.OperationsMgr.Web.System
+{
+	//=======================================================================
+	/// <summary>
+	/// Maps a browser request to a data object. Default class provides a base implementation of a model binder.
+	/// <para>Overridden to trim whitespace from input values.</para>
+	/// </summary>
+	public class OpnModelBinderProvider : IModelBinderProvider
+	{
+		//-------------------------------------------------------------------
+		public OpnModelBinderProvider ()
+		{
+		}
+
+		//-------------------------------------------------------------------
+		public IModelBinder GetBinder (ModelBinderProviderContext context)
+		{
+			if (context == null) throw new ArgumentNullException(nameof(context));
+
+			// Intercept String form values.
+			if (context.Metadata.ModelType == typeof(string))
+				return new BinderTypeModelBinder(typeof(OpnModelBinder));
+
+			// Default - return null so that default binding provider is used.
+			return null;
+		}
+
+		//-------------------------------------------------------------------
+	}
+	//=======================================================================
+}