CODEWITHSUNDEEP
visual-studio-2010xamlworkflow
user1298925
user1298925

Reputation: 2424

Workflow Designer encountered problems with your document

I found out that the problem is this part : this:_a650.argument1="this is a test" Does anyone know what does this expression in XAML file mean within Activity tag?

If I take this out this:_a650.argument1="this is a test" then I can open the workflow file in a workflow designer with no problem, but when it is there I get the follwoing error message: Workflow Designer encountered problems with your document Please check the document for invalid content,namespace, references or reference loops. could not find member argument1 in type _a650 Any ideas?

<Activity mc:Ignorable="sap sads" x:Class="{x:Null}" this:_a650.argument1="this is a test"
 xmlns="http://schemas.microsoft.com/netfx/2009/xaml/activities"
 xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
 xmlns:mva="clr-namespace:Microsoft.VisualBasic.Activities;assembly=System.Activities"
 xmlns:s="clr-namespace:System;assembly=mscorlib"
 xmlns:s1="clr-namespace:System;assembly=System"
 xmlns:s2="clr-namespace:System;assembly=System.Core"
 xmlns:s3="clr-namespace:System;assembly=System.ServiceModel"
 xmlns:sads="http://schemas.microsoft.com/netfx/2010/xaml/activities/debugger"
 xmlns:sap="http://schemas.microsoft.com/netfx/2009/xaml/activities/presentation"
 xmlns:scg="clr-namespace:System.Collections.Generic;assembly=mscorlib"
 xmlns:this="clr-namespace:"
 xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
  <x:Members>
    <x:Property Name="argument1" Type="InArgument(x:String)" />
  </x:Members>
  <sap:VirtualizedContainerService.HintSize>526.4,369.6</sap:VirtualizedContainerService.HintSize>
  <mva:VisualBasic.Settings>Assembly references and imported namespaces for internal implementation</mva:VisualBasic.Settings>
  <Sequence sap:VirtualizedContainerService.HintSize="486.4,329.6">
    <sap:WorkflowViewStateService.ViewState>
      <scg:Dictionary x:TypeArguments="x:String, x:Object">
        <x:Boolean x:Key="IsExpanded">True</x:Boolean>
      </scg:Dictionary>
    </sap:WorkflowViewStateService.ViewState>
    <If Condition="[2 = 2]" sap:VirtualizedContainerService.HintSize="464,204.8" />
  </Sequence>
</Activity>

Upvotes: 1

Views: 2234

Answers (1)

Ravi K Thapliyal
Ravi K Thapliyal

Reputation: 51711

Change the x:Class={x:Null} attribute to _a650. XAML should open fine then.

<Activity mc:Ignorable="sap" x:Class="_a650" this:_a650.argument1="this is a test" ... >

The expression this:_a650.argument1="this is a test" together with the Property definition inside Members declare an IN argument of type String (with "this is a test" as its default value) belonging to a _a650 type.

<x:Property Name="argument1" Type="InArgument(x:String)" />

The answer to this question is related to one of your other questions Visual Studio 2010 - Workflow Designer encountered problems on SO. Since, the arguments have to be declared as members of a type but the "root" activity has not been named to derive the type from; a random type name (like _a650) is generated and used.

The "root" activity name, however, is not updated and so upon XAML serialization x:Class is still generated as {x:Null}. This results in a namespace error when this same XAML is opened in Workflow Designer as the XAML parser is unable to find any x:Class declared to be of _a650 type.

Upvotes: 1

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