Some fixed and improvements.

1 files changed, 2 insertions, 8 deletions

diff --git a/Software/Visual_Studio/Tango.BL/IObservableEntity.cs b/Software/Visual_Studio/Tango.BL/IObservableEntity.cs
index dcb7ad5da..d83f3a6b2 100644
--- a/Software/Visual_Studio/Tango.BL/IObservableEntity.cs
+++ b/Software/Visual_Studio/Tango.BL/IObservableEntity.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.ComponentModel;
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
 using System.Data.Entity;
@@ -13,7 +14,7 @@ namespace Tango.BL
     /// <summary>
     /// Represents an observable database entity.
     /// </summary>
-    public interface IObservableEntity : IParameterized
+    public interface IObservableEntity : INotifyDataErrorInfo, IParameterized
     {
         /// <summary>
         /// Occurs after this observable has been saved.
@@ -85,13 +86,6 @@ namespace Tango.BL
         Task DeleteCascadeAsync(ObservablesContext context);
 
         /// <summary>
-        /// Performs entity field validation.
-        /// Will throw an exception with the proper message if one of the fields is invalid.
-        /// </summary>
-        /// <param name="context">The context.</param>
-        void Validate(ObservablesContext context);
-
-        /// <summary>
         /// Gets the database set containing this entity.
         /// </summary>
         /// <typeparam name="T"></typeparam>