crystal Report 导出Excel 时报 Database logon failed.
Database logon failed.Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Runtime.InteropServices.COMException: Database logon failed.
Source Error:
Line 217: crReportDocument.RecordSelectionFormula = get_selection_formula();
Line 218: setTeamName();
Line 219: crReportDocument.Export();
Line 220: }
Line 221: return;
Source File: e:\bms\web reports\bmsforce_reports\reports\sem_teampdf.aspx.cs Line: 219
Stack Trace:
[COMException (0x8004100f): Database logon failed.]
CrystalDecisions.ReportAppServer.Controllers.ReportSourceClass.Export(ExportOptions pExportOptions, RequestContext pRequestContext) +0
CrystalDecisions.ReportSource.EromReportSourceBase.ExportToStream(ExportRequestContext reqContext)
[LogOnException: Database logon failed.]
CrystalDecisions.ReportAppServer.ConvertDotNetToErom.ThrowDotNetException(Exception e)
CrystalDecisions.ReportSource.EromReportSourceBase.ExportToStream(ExportRequestContext reqContext)
CrystalDecisions.CrystalReports.Engine.FormatEngine.ExportToStream(ExportRequestContext reqContext)
CrystalDecisions.CrystalReports.Engine.FormatEngine.Export(ExportRequestContext reqContext)
CrystalDecisions.CrystalReports.Engine.FormatEngine.Export()
CrystalDecisions.CrystalReports.Engine.ReportDocument.Export()
BMSFORCE_Reports.SEM_TEAMPDF.ExportPDF() in e:\bms\web reports\bmsforce_reports\reports\sem_teampdf.aspx.cs:219
BMSFORCE_Reports.SEM_TEAMPDF.Page_Load(Object sender, EventArgs e) in e:\bms\web reports\bmsforce_reports\reports\sem_teampdf.aspx.cs:78
System.Web.UI.Control.OnLoad(EventArgs e)
System.Web.UI.Control.LoadRecursive()
System.Web.UI.Page.ProcessRequestMain()
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Version Information: Microsoft .NET Framework Version:1.1.4322.573; ASP.NET Version:1.1.4322.573 --------------------编程问答-------------------- 这是何原因啊？求助 --------------------编程问答-------------------- 学习,学习! --------------------编程问答-------------------- 顶! --------------------编程问答-------------------- 可以打印和导出其他类型吗？ --------------------编程问答-------------------- 这个异常,一般有2种可能性.
1)数据库文件位置不对..
2)登陆信息不正确. --------------------编程问答--------------------
恩 有这种可能,不过暂时还没这方面经验 --------------------编程问答-------------------- 1.检测你的链接
2.参数 --------------------编程问答-------------------- 看了老半天也不太清除，貌似也是链接的问题吧，加载后的地址和文件地址不符合？？！！
不知道，求高手学习 --------------------编程问答-------------------- Database logon failed.
水晶报表得在后台登录
补充：.NET技术 , ASP.NET
