Add ability to fix errors during import

Web/Controllers/ControllerBase.cs

@@ -1,4 +1,7 @@
 using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
 using System.Web.Mvc;
 using MileageTraker.Web.Attributes;
 using MileageTraker.Web.DAL;
@@ -33,6 +36,19 @@ namespace MileageTraker.Web.Controllers
 			base.OnException(filterContext);
 		}
 
+		public string RenderRazorViewToString(string viewName, object model)
+		{
+			ViewData.Model = model;
+			using (var sw = new StringWriter())
+			{
+				var viewResult = ViewEngines.Engines.FindPartialView(ControllerContext, viewName);
+				var viewContext = new ViewContext(ControllerContext, viewResult.View, ViewData, TempData, sw);
+				viewResult.View.Render(viewContext, sw);
+				viewResult.ViewEngine.ReleaseView(ControllerContext, viewResult.View);
+				return sw.GetStringBuilder().ToString();
+			}
+		}
+
 		protected string GetCookieValue(string key)
 		{
 			return
@@ -81,5 +97,16 @@ namespace MileageTraker.Web.Controllers
 			var selectList = new SelectList(DataService.GetPurposeTypes(), "PurposeTypeId", "Purpose");
 			return selectList;
 		}
+
+		protected static IEnumerable<string> GetModelStateErrorList(IEnumerable<KeyValuePair<string, ModelState>> modelStateDictionary)
+		{
+			var errorList =
+				from kvp in modelStateDictionary
+				where kvp.Value.Errors.Any()
+				let errors = string.Join(", ", kvp.Value.Errors.Select(e => e.ErrorMessage))
+				let msg = kvp.Key + ": " + errors
+				select msg;
+			return errorList;
+		}
 	}
 }