Develop Reference

Parameters not being passed correctly through code

My report gets data from a stored procedure. Two of the six parameters are dates (toDate and fromDate.) I integrate the report with C# Winforms and I pass the parameters through code the code with:
reportDocument.setParamterValue(0,paramValue);
The report works fine but does not render data despite showing the column header properly. When I refresh the report, it pops up the parameter window again. When I enter the parameters through that window the data shows, including column headers. But it doesn't work when I pass parameters through code.
How can I resolve this?

It looks like this:
CRPT.SetParameterValue("smonth", Servercls.month);
See this link for more info.

I suggest first of all call procedure in c# environment and save result in datatable and then send datatable to crystal report.

I found the error.
First it was not working with setting parameters through indexing. so i set the parameters through name as reds suggested.
second i was missing the parameters binding with report viewer object.
so i added the following line and it worked
crystalReportViewer.ParameterField.addRange(reportDocument.ParameterFields);
Thanks for the answers guys.

Pasing paramter values from a formula in Crystal Report

I have created an automated report system, that uses a formula to run a crystal report file.
When the report file has a SQL view linked to it, the formula sent is just the criteria that the report should show Ie "{PAY_TRANS_REPORT_DATA_VIEW.PAYDT} IN #startDT# to #endDT#"
However, I have some reports that use stored procedures which have parameters required.
My question, is how do I send these parameter values to the report?
Thanks.

Let the name of the report you want to pass a parameter is Report1 then you can pass your parameter, parameter1, to your report with the following way:
ReportClass.SetParameterValue("parameter1",parameter1);
The ReportClass is the class that's associated with the Report1.

How to make a Crystal report with data from classes?

I am new to this tool, so I do not know how I can get the data of a class and show in a report.
I don't have a database, my info is stored inside variables inside classes. Like this (Folder Objetos):
My program does: Read a XML, validate with XSD, serialize in this classes.
What I want: Take that information and show in a report.
It is possible to put my data from variables in a Crystal report? Where I start?

well crystal report can take many things as " DataSource" ranging from object, datatable, dataset etc etc. without looking at the code it is hard to figure out where you are having issue.
basic syntax for crystalreport load datasource is
CrystalDecisions.CrystalReports.Engine.ReportDocument reportDoc = new CrystalDecisions.CrystalReports.Engine.ReportDocument();
reportDoc.Load("your RPT file");
reportDoc.SetDataSource(object)
here instead of object you can use dataset, datatable etc.\
Is this what you were looking for ?
Added
reportDoc.SetDataSource(ds.Tables["YourTableName"])
Also one more thing to note is if you report requires lets say 20 fields they all must be preset in the datatable. or else it will not work. if it has any extra fields in dataset it will just ignore those

Reading CrystalReport's Field Value Programmatically

I'm using C#.NET to programmatically load a Crystal Report document (which gets its data from a database) and then export it as a PDF.
I'm stuck trying to read a fields (abc123) value from within the report (I want to use it in the filename). I don't mind where this field is in the crystal report; and it will not be repeated, but it needs to be a field in the report.
My code so far:
// Setup
ReportDocument reportTemplate = new ReportDocument();
reportTemplate.Load(textBox1.Text);
reportTemplate.Refresh();
reportTemplate.ReadRecords();
// Load the current reports name from the report summary information
String ReportName = reportTemplate.SummaryInfo.ReportTitle.ToString();
// Load the current reports "abc123" field from the report
// ????
// Export the report as PDF
reportTemplate.Export();
I've tried:
// Load the current reports "abc123" field from the report
String abcField = ((TextObject)rpt.Section2.ReportObjects["abc123"]).Text
String abcField = reportTemplate.ReportDefinition.ReportObjects["abc123"].ToString();
String abcField = reportTemplate.Rows.ReportDocument.ReportDefinition.ReportObjects["abc123"];
Without luck. Can anyone give some pointers? I can preview the report using crystalReportView1 object and the field is populated there.

Unfortunately you will not be able to pull a calculated field value from code behind. The calculated field value is not available until after the report engine takes over and does the rendering. You can access/modify formula definitions before the report is rendered but have no access to the actual value calculated from code behind. Even if you add a blank subreport and add a parameter to it from the main report for the field value you are trying to access it will not have a value before the reports engine renders it. You should definitely look for a way to pull it from the data you are binding the report with.

Dynamically add rows of data to a *.rpt file (C#)

I am using vs2008 with CrystalReports and I'm wandering how can i dynamically add rows of data to a *.rpt file?(using c#).
In more detail i want to create a a function that populates a *.rpt file with data that might contain lists(for example "FirstName", "LastName", List<"Friend"> ;..Friend beeing an object that contains multiple fields like "FriendNr", "Address",....).
the code that i used so far is:
ReportDocument rpt = new ReportDocument();
MemoryStream stream = new MemoryStream();
string filename = filepath + "/myRpt.rpt";
rpt.Load(filename);
rpt.SetParameterValue(0, myObject.FirstName);
rpt.SetParameterValue(1, myObject.LastName);
Inside the rpt file i have placed FieldObjects(Parameter Fields), and i populate the file with data by assigning the desired values to these objects (" rpt.SetParameterValue(0, myObject.FirstName);" )
Please help me find a way to populate the report with the rows of data contained in the List also.
Thanks a lot for your time.

I don't think it is possible to add data rows to a report this way. I suggest using a Typed DataSet as your report data source. The report can then display as many Friend objects as you require.

Dynamic 'rows' approaches:
1). You could add more items to the parameter's CurrentValues collection. Not sure how you are using this in the report, but it may work for your purposes. Look at the ParameterFieldDefinition class for more information.
2). Create a DataSet, modify as necessary, then assign it to the report. Use the ReportDocument.SetDataSource() method to bind a report to data programmatically.
3). Another approach is to build a report that uses XML data, then programmatically modify the XML, then refresh the report.