When I click print or export button , I get this error: com.crystaldecisions.report.web.viewer.CrystalReportViewer
The response has already been commited.
How to solve this error ?
--------------code------------------------------------------------
<%@ page import= "java.net.*,
com.crystaldecisions.sdk.occa.report.data.*,
com.crystaldecisions.report.web.*,
com.crystaldecisions.sdk.occa.report.application.*,
com.crystaldecisions.sdk.occa.report.reportsource.*,
com.crystaldecisions.report.web.viewer.*,
com.crystaldecisions.sdk.occa.report.lib.*"
%>
<%@ page contentType="text/html; charset=TIS-620" %>
<%!
String TblType;
String RptName;
%>
<%
try{
TblType=request.getParameter("saletype");
RptName=TblType+".rpt";
ReportServerControl serverControl = new ReportServerControl();
com.crystaldecisions.sdk.occa.report.data.ConnectionInfos connInfos = null;
connInfos=new com.crystaldecisions.sdk.occa.report.data.ConnectionInfos();
String tmpPath = "C:\\Program Files\\Crystal Decisions\\Crystal Reports 9\\Templates";
String rptPath = "C:\\Program Files\\Crystal Decisions\\Report Application Server 9\\Reports";
System.setProperty("ras.config", "C:\\Program Files\\Common Files\\Crystal Decisions\\2.0\\jars");
ReportClientDocument cd2 = new ReportClientDocument();
cd2.open(rptPath + "\\" + RptName, 0);
serverControl.setReportSource(cd2.getReportSource());
serverControl.setEnableLogonPrompt(false);
serverControl.processHttpRequest(request, response, getServletConfig().getServletContext(), out);
connInfos = serverControl.getDatabaseLogonInfos();
int size = connInfos.size();// Get size of collection
for (int x=0; x<size; x++)
{
com.crystaldecisions.sdk.occa.report.data.IConnectionInfo iConnInfo = connInfos.getConnectionInfo(x);
iConnInfo.setUserName("user");
iConnInfo.setPassword("password");
}
com.crystaldecisions.report.web.viewer.CrystalReportViewer tc1 = null;
tc1 = new com.crystaldecisions.report.web.viewer.CrystalReportViewer() ;
tc1.setReportSource(cd2.getReportSource());
tc1.setDatabaseLogonInfos(connInfos);
tc1.setEnableLogonPrompt(false);
tc1.processHttpRequest(request, response, getServletConfig().getServletContext(), out);
tc1.dispose();
cd2.close();
}
catch( Exception e)
{
e.printStackTrace();
}
%>
