字段名称无效。水晶报道 [英] Invalid field name. Crystal report
问题描述
CrystalDecisions.CrystalReports.Engine.InternalException被捕获
消息=
无效的字段名称。
Source =CrystalDecisions.ReportAppServer .DataSetConversion
StackTrace：
在CrystalDecisions.ReportAppServer.ConvertDotNetToErom.ThrowDotNetException（例外e）
在CrystalDecisions.ReportSource.EromReportSourceBase.Refresh（ RequestContext reqContext）
at CrystalDecisions.CrystalReports.Engine.FormatEngine.Refresh（RequestContext reqContext）
at CrystalDecisions.CrystalReports.Engine.ReportDocument.Refresh（）
at technoEssential.Form4.reportLoad（）在D：\ Viishal \ techoEssential\technoEssential Premium\technoEssential\technoEssential\Form4.vb：第90行
以上是加载水晶时显示的错误报告
i我正在使用vb2005
不知道该怎么办
请帮助
CrystalDecisions.CrystalReports.Engine.InternalException was caught
Message="
Invalid field name."
Source="CrystalDecisions.ReportAppServer.DataSetConversion"
StackTrace:
at CrystalDecisions.ReportAppServer.ConvertDotNetToErom.ThrowDotNetException(Exception e)
at CrystalDecisions.ReportSource.EromReportSourceBase.Refresh(RequestContext reqContext)
at CrystalDecisions.CrystalReports.Engine.FormatEngine.Refresh(RequestContext reqContext)
at CrystalDecisions.CrystalReports.Engine.ReportDocument.Refresh()
at technoEssential.Form4.reportLoad() in D:\Vishal\technoEssential\technoEssential Premium\technoEssential\technoEssential\Form4.vb:line 90
......................................................................
above is the error that shows when i load crystal report
i am using vb2005
dont know what to do
please help
推荐答案
如果您在页面加载下创建报告，请不要使用Page.IsPostback。
使用IsPostback的问题是，当你引用页面时它不会再次获取参数。
If you are creating report under page load then don't use Page.IsPostback.
The problem using IsPostback is it wont be getting the parameter again when you refereh the page.
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