从前页listbox传来信息后水晶报表加载失败
之前实验的水晶报表能能够显示,可是从listbox传来信息后就提示水晶报表加载失败
public partial class MoreParkingmessage_MorePark : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
private void Page_Init(object sender, EventArgs e)
{
ConfigureCrystalReports();
}
private ReportDocument prtp = new ReportDocument();
private void Page_Unload(object sender, EventArgs e)
{
prtp.Dispose();
}
protected void CrystalReportViewer1_Init(object sender, EventArgs e)
{
}
//水晶报表对象
private ReportDocument myReport;
private void ConfigureCrystalReports()
{
// 定义ReportDocument对象,装载Crystalreport1.rpt
myReport = new ReportDocument();
string reportPath = Server.MapPath("~/MoreParkingmessage/MoreNumber.rpt");
myReport.Load(reportPath);
//定义水晶报表的数据库连接信息
ConnectionInfo connectionInfo = new ConnectionInfo();
connectionInfo.DatabaseName = "carmessage";
//connectionInfo.UserID = "ifsapp";
//connectionInfo.Password = "sinsin007";
//connectionInfo.ServerName = "prod";
//将数据库信息传递给报表
SetDBLogonForReport(connectionInfo, myReport);
//把模板对象赋给报表前端呈现控件CrystalReportViewer1
//多值
ParameterDiscreteValue pv;
ParameterValues pvs = new ParameterValues();
if (PreviousPage != null)
{
int b = PreviousPage.Num;
string[] ps = PreviousPage.Srt;
pv = new ParameterDiscreteValue();
{
for (int i = 0; i < b; i++)
{
pv.Value = ps[i];
pvs.Add(pv);
}
}
myReport.SetParameterValue("moreunit", pvs);
//myReport.RecordSelectionFormula = "{nunber.Community} == '+this.unitname1.Text+'";
CrystalReportViewer2.ReportSource = myReport;
}
}
private void SetDBLogonForReport(ConnectionInfo connectionInfo, ReportDocument myReport)
{
}
}