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在win7 Ultimate x32中一切正常,但我无法在win7 pro x64中使用与VS 2010中的CR相同的代码。
我的代码:Windows 7 Pro中VS2010的Crystal Reports - 加载报告失败
ReportDocument doc = null;
try
{
doc = new ReportDocument();
doc.Load("D:\\CrystalReport4.rpt");
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
finally
{
if (doc != null)
{
doc.Close();
doc.Dispose();
}
}
总是抛出异常:
CrystalDecisions.Shared.CrystalReportsException: Load report failed. ---> System.Runtime.InteropServices.COMException: The system cannot find the path specified.
at CrystalDecisions.ReportAppServer.ClientDoc.ReportClientDocumentClass.Open(Object& DocumentPath, Int32 Options)
at CrystalDecisions.ReportAppServer.ReportClientDocumentWrapper.Open(Object& DocumentPath, Int32 Options)
at CrystalDecisions.ReportAppServer.ReportClientDocumentWrapper.EnsureDocumentIsOpened()
--- End of inner exception stack trace ---
at CrystalDecisions.ReportAppServer.ReportClientDocumentWrapper.EnsureDocumentIsOpened()
at CrystalDecisions.CrystalReports.Engine.ReportDocument.Load(String filename, OpenReportMethod openMethod, Int16 parentJob)
at CrystalDecisions.CrystalReports.Engine.ReportDocument.Load(String filename)
at CrystalReportsApplication1.Form1.button1_Click(Object sender, EventArgs e) in J:\Projects\CrystalReportsApplication1\CrystalReportsApplication1\Form1.cs:line 33
到RPT文件的路径是正确的。我不知道为什么内部异常显示:系统找不到指定的路径。
我的机器安装:
- SAP Crystal Reports中,版本的Visual Studio 2010
- SAP Crystal Reports中,对于.NET Framework 4中(64位)
他们全部运行时引擎的SP1版本在GAC :13.0.2000.0
任何人都可以帮我解决这个问题吗?
谢谢