ReportViewer add Parameters ...
- by user95542
Hi,
I need help.Well, i need add image logo in reportviewer dynamically.I get this image from db, convert toBase64 and i need add in reportviewer.... this code next..
rpViewer.LocalReport.EnableExternalImages = true;
Company _company = db.Companys.Where(c => c.codCompany == c.codCompany).Single();
//first step
byte[] img = _company.imagem.ToArray(); // i get image from db
MemoryStream _ms = new MemoryStream(img);
string logo = Convert.ToBase64String(img); //convert to base64
// 2 step
List<ReportParameter> lstReportParams = new List<ReportParameter>();//Create params
lstReportParams.Add(new ReportParameter("Logo", logo));
lstReportParams.Add(new ReportParameter("LogoMimeType", "image/png"));
this.rpViewer.LocalReport.SetParameters(lstReportParams); // Here don´t work´s
{"An error occurred during local report processing."}
{"An attempt was made to set a report parameter 'Logo' that is not defined in this report."}
this.rpViewer.RefreshReport();
In Rldc....
MIMEType =Parameters!LogoMimeType.value
Value ="System.Convert.FromBase64String(Parameters!Logo.Value)"
Why not work?
Why is not recognizing the parameter?
need help urgente.I can load that image in reportviewer...Thank´s..
