执行Crystal Report时出错

Question

I have created a crystal report to display my monthly sales details, so i created my report and data set SQL connection and all my code is working but when i give my 2 dates it is giving me a error that is:

"file notfound exception was unhandled " , "Could not load file or assembly 'file:///C:\\Program Files (x86)\\SAP BusinessObjects\\Crystal Reports for .NET Framework 4.0\\Common\\SAP BusinessObjects Enterprise XI 4.0\\win32_x86\\dotnet1\\crdb_adoplus.dll' or one of its dependencies. The system cannot find the file specified."

is this about referencing?

try
{
   CRPinvDate rpt = new CRPinvDate();
   //my report.
   SqlConnection myConnection = default(SqlConnection);
   SqlCommand MyCommand = new SqlCommand();
   SqlDataAdapter myDA = new SqlDataAdapter();
   sDate_DS myDS = new sDate_DS();
   //my dataset

   myConnection = new SqlConnection(cs);
   MyCommand.Connection = myConnection;
   MyCommand.CommandText = "select *  from Invoice_Info where Invoice_Date between @Invoice_Date1 and @Invoice_Date2";
   MyCommand.Parameters.Add("@Invoice_Date1", SqlDbType.DateTime, 30, "Invoice_Date").Value = DateFrom.Value.Date;
   MyCommand.Parameters.Add("@Invoice_Date2", SqlDbType.DateTime, 30, "Invoice_Date").Value = DateTo.Value.Date;

   MyCommand.CommandType = CommandType.Text;
   myDA.SelectCommand = MyCommand;
   myDA.Fill(myDS, "Invoice_Info");
   rpt.SetDataSource(myDS);

   crystalReportViewer1.ReportSource = rpt;
}
catch (Exception ex)
{
   MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}

Answer 1

uninstall Crystal Report Download Service pack 7 from http://scn.sap.com/docs/DOC-7824

this file http://downloads.businessobjects.com/akdlm/cr4vs2010/CRforVS_13_0_7.exe

before installing crystal report install .net framework 3.5 & 4.0 install downloaded crystal report this will solve your problem