apply the increment to all ctors

diff --git a/Xamarin.Forms.Core/DataTemplate.cs b/Xamarin.Forms.Core/DataTemplate.cs
index 01715ca..567c32b 100644 (file)
--- a/Xamarin.Forms.Core/DataTemplate.cs
+++ b/Xamarin.Forms.Core/DataTemplate.cs
@@ -13,8 +13,8 @@ namespace Xamarin.Forms
                string _idString;
                public DataTemplate()
                {
-                       _idString = GetType().FullName + idCounter++;
-                       _id = idCounter;
+                       _id = Interlocked.Increment(ref idCounter);
+                       _idString = GetType().FullName + _id;
                }
 
                public DataTemplate(Type type) : base(type)