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views:

687

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3

i simply created a wcf service which is printing "hello world". created a sequential console workflow, added a send activity and code activity to the workflow. referenced the service here. configured the send activity. created dependency property for return value.

now when I am running the app. it throws a format exception in program.cs file on the line

WorkflowInstance instance = workflowRuntime.CreateWorkflow(typeof(Using_SendActivity.Workflow1));

Where have I gone wrong?

System.FormatException was unhandled
  Message="Input string was not in a correct format."
  Source="mscorlib"
  StackTrace:
       at System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal)
       at System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info)
       at System.Int32.Parse(String s, IFormatProvider provider)
       at System.Diagnostics.PerformanceCounterLib.GetStringTable(Boolean isHelp)
       at System.Diagnostics.PerformanceCounterLib.get_NameTable()
       at System.Diagnostics.PerformanceCounterLib.get_CategoryTable()
       at System.Diagnostics.PerformanceCounterLib.CategoryExists(String machine, String category)
       at System.Diagnostics.PerformanceCounterCategory.Exists(String categoryName, String machineName)
       at System.Diagnostics.PerformanceCounterCategory.Exists(String categoryName)
       at System.Workflow.Runtime.PerformanceCounterManager.SetInstanceName(String instanceName)
       at System.Workflow.Runtime.WorkflowRuntime.StartRuntime()
       at System.Workflow.Runtime.WorkflowRuntime.InternalCreateWorkflow(CreationContext context, Guid instanceId)
       at System.Workflow.Runtime.WorkflowRuntime.CreateWorkflow(Type workflowType)
       at Using_SendActivity.Program.Main(String[] args) in C:\Documents and Settings\as73043\My Documents\Visual Studio 2008\Projects\Using SendActivity\Using SendActivity\Program.cs:line 28
  InnerException: 

wcf file i am using:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.ServiceModel;
using System.Text;

namespace WcfServiceForSendActivity
{
    // NOTE: If you change the class name "Service1" here, you must also update the reference to "Service1" in App.config.
    public class Service1 : IService1
    {
        #region IMyService Members

        public string GetResponse()
        {

            return string.Format("Hello World !!!");

        }

        #endregion

    }
}
A: 

post deleted

edit your question and add this information to it. delete this answer afterwards, please
SilentGhost
A: 

How to delete answer?

don't post anything besides answers as answer. it's not a forum.
SilentGhost
A: 

On Win7 run 'lodctr /R' from an elevated command prompt and restart to reload perf counters.

This KB has more details for older OS's. http://support.microsoft.com/kb/300956

Mike Giesler