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FastReport.OpenSource.Web 2026.2.3 WebReport preview blank page on .NET 6 with circle black #835
I updated the FastReport.OpenSource.Web 2022.2.17 Net 6 to 2026.2.3 and all report dosen´t work, when execute de command below:
public async Task<IActionResult> CompraListagemGeralReport(int FornecedorID,string DataInicial, string DataFinal,int Faturado, string DataInicialPedido, string DataFinalPedido, int FilialID)
{
//criamos uma instancia do objeto webreport
var webReport = new WebReport();
webReport.Report.Load(Path.Combine(_webHostEnv.ContentRootPath,"wwwroot/reports", "Compra_Listagem_Geral.frx"));
// Obtemos uma instância do objeto MsSqlDataConnection
// e definimos a string de conexão para o banco de dados nele
var mssqlDataConnection = new MsSqlDataConnection();
mssqlDataConnection.ConnectionString = _config.GetConnectionString("Context");
//obtemos e definimos os valores para os parâmetros usados
var conn = mssqlDataConnection.ConnectionString;
webReport.Report.SetParameterValue("Conn", conn);
webReport.Report.SetParameterValue("DataInicial", DataInicial);
webReport.Report.SetParameterValue("DataFinal", DataFinal);
webReport.Report.SetParameterValue("FornecedorID", FornecedorID);
webReport.Report.SetParameterValue("Usuario", Usuario);
webReport.Report.SetParameterValue("DataInicialPedido", DataInicialPedido);
webReport.Report.SetParameterValue("DataFinalPedido", DataFinalPedido);
webReport.Report.SetParameterValue("Faturado", Faturado);
webReport.Report.SetParameterValue("FilialID", FilialID);
//exibimos o relatorio
return View(webReport);
}
I tested with a new report only with the text and the problem keep.
Visual Studio 2022.
C# MVC with net 6.0
Windows 2011
Activity
SisPrime commentedon Aug 2, 2026
With downgrade to 2026.1.18 works fine.
BogdanStg commentedon Aug 3, 2026
Hello!
Our developers have already resolved this issue, and the changes will be included in the next version of FastReport OpenSource.