TECHNOLOGIES
FORUMS
JOBS
BOOKS
EVENTS
INTERVIEWS
Live
MORE
LEARN
Training
CAREER
MEMBERS
VIDEOS
NEWS
BLOGS
Sign Up
Login
No unread comment.
View All Comments
No unread message.
View All Messages
No unread notification.
View All Notifications
Answers
Post
An Article
A Blog
A News
A Video
An EBook
An Interview Question
Ask Question
Forums
Monthly Leaders
Forum guidelines
pentakota.suresh
NA
4
0
How to export crystal report to excel in .net 2002
Apr 5 2005 2:35 AM
Hi All, Advance thanks for ur solutions... I am getting problem while trying to export crystal report(version 9) to excel in .net 2002. Here crystal report is generated basing on 3 parameters. i am trying to export the data while clicking on image button. Here is the code i written: //########### RPT file ########### RPT file is connected to database through UDL connection //######## Page load private void Page_Load(object sender, System.EventArgs e) { if (!IsPostBack) { PrepareReport(); } } // ########### Preparing report by passing parameters private void PrepareReport() { CrystalReportViewer1.Visible = true; sStartDate = "2004-10-11 13:15:39.967" + " 12:00:00 AM"; sEndDate = "2004-10-11 13:23:20.513" + " 12:00:00 AM"; sReportName = "Revenue By Game.rpt"; sTableName = "vwUploadRevenueByGame"; sLocation = "83"; try { oRpt.Load(Server.MapPath(sReportName)); CrystalReportViewer1.ReportSource = oRpt; TableLogOnInfo logOnInfo = new TableLogOnInfo(); logOnInfo = oRpt.Database.Tables[sTableName].LogOnInfo; ConnectionInfo connectionInfo = new ConnectionInfo (); connectionInfo = logOnInfo.ConnectionInfo; connectionInfo.UserID = "sa"; connectionInfo.Password = "sa"; oRpt.Database.Tables [sTableName].ApplyLogOnInfo(logOnInfo); // Removed declaration of Parameters field paramFields = AddParameter("StartDate",sStartDate,paramFields); paramFields = AddParameter("EndDate",sEndDate,paramFields); paramFields = AddParameter("LocationID",sLocation,paramFields); //associate param fields with report CrystalReportViewer1.ParameterFieldInfo = paramFields; // Put user code to initialize the page here //oRpt.Close(); } catch(Exception ex) { lblmsg.Text="Exception Caught:"+ex.Message; } } //################# Adding Parameters ########## public ParameterFields AddParameter(string paramName, string paramValue,ParameterFields paramFields) { ParameterField paramField= new ParameterField (); ParameterDiscreteValue paramDiscreteValue = new ParameterDiscreteValue (); ParameterValues paramValues = new ParameterValues (); // Set the name of the parameter to modify. paramField.ParameterFieldName = paramName; // Set a value to the parameter. paramDiscreteValue.Value = paramValue; paramValues.Add (paramDiscreteValue); paramField.CurrentValues = paramValues; paramFields.Add (paramField); return paramFields; } //########## Export to Excel function ########## // This function is called when image button is clicked private void ExportReport() { try { if (System.IO.File.Exists(Server.MapPath("test1.xls"))) { System.IO.File.Delete(Server.MapPath("test1.xls")); DiskFileDestinationOptions crDiskFileDestinationOptions = new DiskFileDestinationOptions(); ExportOptions crExportOptions = new ExportOptions(); crExportOptions = oRpt.ExportOptions; crDiskFileDestinationOptions.DiskFileName ="test1.xls"; crExportOptions.ExportDestinationType = ExportDestinationType.DiskFile; crExportOptions.ExportFormatType = ExportFormatType.Excel; crExportOptions.DestinationOptions = crDiskFileDestinationOptions; this.oRpt.Export(); lblmsg.Text="Exported to the destination Successfully"; lblmsg.Font.Bold=true; lblmsg.ForeColor = System.Drawing.Color.Green; this.oRpt.Close(); } } catch(Exception ex) { lblmsg.Text=ex.Message; } } //############### Result // We are getting following exception Invalid report file path. if remove isPostback condition, then i am getting following exception Missing parameter field current value
Reply
Answers (
1
)
XML
C# .net 2002 crystal report export to excel