Joined: 26 Dec 2009
Location: Saudi Arabia
Online Status: Offline
Posts: 5
Topic: Export Crystal Report Posted: 28 Dec 2009 at 11:04am
hi all
I faced a problem when I’m going to export crystal report. I use the function ExportToDisk(specify format that I look for , specify the file name and directory);
Things go smooth if I don't add a parameter filed to the report BUT if I use it I got that error Missing parameter values.
// Returns a ReportDocument object with the report and data loaded privateReportDocument getReportDocument() {
// File Path for Crystal Report string repFilePath =Server.MapPath("Default2.rpt");
// Declare a new Crystal Report Document object // and the report file into the report document ReportDocument repDoc =newReportDocument(); repDoc.Load(repFilePath); //add param repDoc.SetParameterValue("MyName","Hussam"); repDoc.SetParameterValue("Old","26");
// Set the datasource by getting the dataset from business layer // In our case business layer is getCustomerData function
protectedvoid btnExport_Click(object sender,EventArgs e) { // Get the report document ReportDocument repDoc = getReportDocument(); // Stop buffering the response Response.Buffer=false; // Clear the response content and headers Response.ClearContent(); Response.ClearHeaders(); try { // Export the Report to Response stream in PDF format and file name Customers repDoc.ExportToHttpResponse(ExportFormatType.PortableDocFormat,Response,true,"export"); // There are other format options available such as Word, Excel, CVS, and HTML in the ExportFormatType Enum given by crystal reports } catch(Exception ex) { Console.WriteLine(ex.Message); ex =null; } }
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