Report.SetDataSource throws exception upgrading from VS2005 to Xtal 2008 VA

Question

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Using Visual Studio 2005 with Crystal 2008 Visual Advantage on Vista w/ SP1. Visual Studio has all service packs applied as well.
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I am trying to evaluate the Crystal 2008 Visual Advantage product.
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Here's the use case: I get an IEnumerable of a certain object at run time, then pass this list of objects to SetDataSource(IEnumerable).  <b>This code ran fine under the version of crystal included with VS2005, but after installing the product and running the Crystal 2008 VA conversion wizard on this project, SetDataSource now crashes and burns</b> with the following:
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System.Reflection.TargetParameterCountException  {"Parameter Count Mismatch"}
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The exception is clearly in the Crystal runtime, as the stack trace reveals (see below).  I should also mention that the database verifies, and that I have been able to relocate the database with the databse locator. No luck. Clean and rebuild, No luck. Anybody got any suggestions?
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Stack Trace:
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   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean skipVisibilityChecks)
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   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) </p><p>
   at System.Reflection.RuntimePropertyInfo.GetValue(Object obj, BindingFlags invokeAttr, Binder binder, Object[] index, CultureInfo culture) </p><p>
   at System.Reflection.RuntimePropertyInfo.GetValue(Object obj, Object[] index) </p><p>
   at CrystalDecisions.CrystalReports.Engine.Table.PopulateTableFromObject(Object obj, Boolean flattenCurrentObject, Int32 currentLevel, Int32 maximumLevels, String columnNamePrefix, DataTable table, ArrayList rowset) </p><p>
   at CrystalDecisions.CrystalReports.Engine.Table.PopulateTableFromObjectCollection(IEnumerable collection, DataTable table) </p><p>
   at CrystalDecisions.CrystalReports.Engine.Table.BuildTableFromEnumerable(IEnumerable collection, Type dataClassType, String tableName) </p><p>
   at CrystalDecisions.CrystalReports.Engine.Table.EnumerableToDataSet(IEnumerable collection)
   at CrystalDecisions.CrystalReports.Engine.Table.WrapAndCacheDotNetObject(Object val, Type type, ISCRAdoNetDataSet& crAdoNetDataSet) </p><p>
   at CrystalDecisions.CrystalReports.Engine.Table.SetDataSource(Object val, Type type)
   at CrystalDecisions.CrystalReports.Engine.ReportDocument.SetDataSourceInternal(Object val, Type type) </p><p>
   at CrystalDecisions.CrystalReports.Engine.ReportDocument.SetDataSource(IEnumerable enumerable)
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Answer 1

I have compiled and run these tutorials with no problems.
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I must reiterate that I don't see how these tutorials could possibly be pertinent to the problem.
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I can set my object collection to be a datasource for other .NET data aware controls such as datagrids and so forth, and to Crystal Reports .rpts compiled with the VS2005 and VS2008 supplied product. I <b><i>cannot</b></i> set my object collection to be a datasource for the stand-alone VA product.
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Your XII runtime is crashing with an "invalid number of parameters" exception.  This is a serious programming error, and it cannot be caused by my code -- <b><i>my</b></i> code cannot tell <b><i>your</b></i> runtime how many parms to call a .NET method with.