[NUI] Set context as manually set in SetValue

diff --git a/src/Tizen.NUI/src/public/XamlBinding/BindableObject.cs b/src/Tizen.NUI/src/public/XamlBinding/BindableObject.cs
index c7832dd..8e4805c 100755 (executable)
--- a/src/Tizen.NUI/src/public/XamlBinding/BindableObject.cs
+++ b/src/Tizen.NUI/src/public/XamlBinding/BindableObject.cs
@@ -329,6 +329,7 @@ namespace Tizen.NUI.Binding
                     BindablePropertyContext context = GetOrCreateContext(property);
                     if (null != context)
                     {
+                        context.Attributes |= BindableContextAttributes.IsManuallySet;
                         oldvalue = context.Value;
                         context.Value = value;
                     }