hiii every body here
i have problem on my web application with framework (4.0)
i use crystal report viewer (crystal report 13) and i installed the engine of crystal report and use dataset as datasource to my report and my report work fine but ....
my problem is :
i cannot export or print my crystal report 13 if i put my code on sub like that :
protected void btn_print_Click ( object sender , EventArgs e )
SP_testTableAdapter adpter = new SP_testTableAdapter();
Reports.Learning.CrystalReports.CR_testreport my_report = new Reports.Learning.CrystalReports.CR_testreport();
CrystalReportViewer1.ReportSource = my_report;
when i use this i cannot print or export it say to me login to database fail message although i use dataset not direct database connection that mean it not need to give the report source every use of it the connection of my server details like username , password
but if i put this code to my page load the report run and showing and print correctly , i need to can use print,export and every button on reportviewer toolbar
without put the code that display report on page_load i need to put code on button event only and when i click the button it show the report and can print and export , and not need to use sesssion
need help plz ................