public void changeDatabase()
{
CrystalReport1 crReportDocument = new CrystalReport1();
Database crDatabase;
Tables crTables;
Table crTable;
TableLogOnInfo crTableLogOnInfo;
ConnectionInfo crConnectionInfo = new ConnectionInfo();
//System.Data.OleDb.OleDbConnection aaa = new System.Data.OleDb.OleDbConnection();
//Setup the connection information structure
//to log on to the data source for the report.
// If using ODBC, this should be the DSN. If using
// OLEDB, etc, this should be the physical server name
//crConnectionInfo.ServerName = "Microsoft.Jet.OLEDB.4.0";
// If you are connecting to Oracle there is no
// DatabaseName. Use an empty
// string i.e. crConnectionInfo.DatabaseName = "";
//MainForm mainForm = (MainForm)this.parentForm;
Statistics stat = (Statistics)this.parentForm;
MainForm mainForm = (MainForm)stat.parentForm;
string dbName = mainForm.MainDirectory + "\\db2.mdb";
crConnectionInfo.ServerName = dbName;// @"D:\Documents and Settings\amklein\" + @"My Documents\db3.mdb";
// crConnectionInfo.UserID = "";
//crConnectionInfo.Password = "";
// This code works for both user tables and stored
//procedures
//Get the table information from the report
crDatabase = crReportDocument.Database;
crTables = crDatabase.Tables;
//Loop through all tables in the report and apply the
//connection information for each table.
for (int i = 0; i < crTables.Count; i++)
{
crTable = crTables[i];
crTableLogOnInfo = crTable.LogOnInfo;
crTableLogOnInfo.ConnectionInfo =
crConnectionInfo;
crTable.ApplyLogOnInfo(crTableLogOnInfo);
//If your DatabaseName is changing at runtime, specify
//the table location. For example, when you are reporting
//off of a Northwind database on SQL server
//you should have the following line of code:
//crTable.Location = "Northwind.dbo." + crTable.Location.Substring(crTable.Location.LastIndexOf(".") + 1);
}
this.crystalReportViewer1.ReportSource = crReportDocument;
}
private void StatisticsReportChart_Load(object sender, EventArgs e)
{
changeDatabase();
CrystalReport1 cry = (CrystalReport1)this.crystalReportViewer1.ReportSource;
this.crystalReportViewer1.DisplayGroupTree = false;
this.crystalReportViewer1.RefreshReport();
//cry.ReportDefinition.ReportObjects.
//ChartObject chart = cry.Section1.ReportObjects[0];
//chart.
//Object ff=
//MessageBox.Show("f :" + ff.GetType());
}
