我在提交报告时遇到这个问题。我这样渲染报告:
@ViewBag.WebReport.Render();
var webReport = new WebReport();
webReport.Report.Load(@"\report.frx");
foreach (var item in paramether) {
webReport.Report.SetParameterValue(item.Key, item.Value);
}
webReport.Report.RegisterData(datos, "Mydata");
ViewBag.WebReport = webReport;
**System.Runtime.CompilerServices.AsyncTaskMethodBuilder1+AsyncStateMachineBox1[Microsoft.AspNetCore.Html.HtmlString,FastReport.Web.WebReport+d__107]**
我发现了我需要添加await的问题@await ViewBag.WebReport.Render();