摘要： 美元金额正则表达式 Currency: ^\$?([1-9]{1}[0-9]{0,2}(\,[0-9]{3})*(\.[0-9]{0,2})?|[1-9]{1}[0-9]{0,}(\.[0-9]{0,2})?|0(\.[0-9]{0,2})?|(\.[0-9]{1,2})?)$ C# codes: float num;bool isValid = float.TryParse(str,Numbe... 阅读全文

摘要： ================= The source of the report definition has not been specified 原因缺少：ReportViewer1.LocalReport.ReportPath = reportPath ================= 动态装载Report（RDLC文件） An error has occurred beca... 阅读全文