Investigate issue with WCF channel not being properly closed in some …

…cases. Add code to issue Abort on channel if an exception occurs. Fix problem in version 3.0 (vb and c#), 3.5 (vb and c#), 3.6

bugid: 196

cslavb/Csla/DataPortal/Client/DataPortal.vb

@@ -467,7 +467,7 @@ Public Module DataPortal
       End If
 
       Dim method = Server.DataPortalMethodCache.GetMethodInfo( _
-        MethodCaller.GetObjectType(criteria), "DataPortal_Delete", criteria)
+        objectType, "DataPortal_Delete", criteria)
 
       Dim proxy As DataPortalClient.IDataPortalProxy
       proxy = GetDataPortalProxy(method.RunLocal)

cslavb/Csla/DataPortal/Client/WcfProxy.vb

@@ -82,10 +82,16 @@ Namespace DataPortalClient
 
       Dim cf As ChannelFactory(Of IWcfPortal) = GetChannelFactory()
       Dim svr As IWcfPortal = GetProxy(cf)
-      Dim response As WcfResponse = svr.Create(New CreateRequest(objectType, criteria, context))
-      If cf IsNot Nothing Then
-        cf.Close()
-      End If
+      Dim response As WcfResponse = Nothing
+      Try
+        response = svr.Create(New CreateRequest(objectType, criteria, context))
+        If cf IsNot Nothing Then
+          cf.Close()
+        End If
+      Catch ex As Exception
+        cf.Abort()
+        Throw
+      End Try
 
       Dim result As Object = response.Result
       If TypeOf result Is Exception Then
@@ -108,10 +114,16 @@ Namespace DataPortalClient
 
       Dim cf As ChannelFactory(Of IWcfPortal) = GetChannelFactory()
       Dim svr As IWcfPortal = GetProxy(cf)
-      Dim response As WcfResponse = svr.Fetch(New FetchRequest(objectType, criteria, context))
-      If cf IsNot Nothing Then
-        cf.Close()
-      End If
+      Dim response As WcfResponse = Nothing
+      Try
+        response = svr.Fetch(New FetchRequest(objectType, criteria, context))
+        If cf IsNot Nothing Then
+          cf.Close()
+        End If
+      Catch ex As Exception
+        cf.Abort()
+        Throw
+      End Try
 
       Dim result As Object = response.Result
       If TypeOf result Is Exception Then
@@ -133,10 +145,17 @@ Namespace DataPortalClient
 
       Dim cf As ChannelFactory(Of IWcfPortal) = GetChannelFactory()
       Dim svr As IWcfPortal = GetProxy(cf)
-      Dim response As WcfResponse = svr.Update(New UpdateRequest(obj, context))
-      If cf IsNot Nothing Then
-        cf.Close()
-      End If
+      Dim response As WcfResponse = Nothing
+      Try
+        response = svr.Update(New UpdateRequest(obj, context))
+        If cf IsNot Nothing Then
+          cf.Close()
+        End If
+      Catch ex As Exception
+        cf.Abort()
+        Throw
+      End Try
+
 
       Dim result As Object = response.Result
       If TypeOf result Is Exception Then
@@ -159,10 +178,17 @@ Namespace DataPortalClient
 
       Dim cf As ChannelFactory(Of IWcfPortal) = GetChannelFactory()
       Dim svr As IWcfPortal = GetProxy(cf)
-      Dim response As WcfResponse = svr.Delete(New DeleteRequest(objectType, criteria, context))
-      If cf IsNot Nothing Then
-        cf.Close()
-      End If
+      Dim response As WcfResponse = Nothing
+      Try
+        response = svr.Delete(New DeleteRequest(objectType, criteria, context))
+        If cf IsNot Nothing Then
+          cf.Close()
+        End If
+      Catch ex As Exception
+        cf.Abort()
+        Throw
+      End Try
+
 
       Dim result As Object = response.Result
       If TypeOf result Is Exception Then