Keep all report in one file

Comments

• AlexTZ

  June 2010 edited 3:02PM

  Hello,
  
  Please look at the Demos\C#\CustomOpenSaveDialogs. This demo uses DataSet that stores report files.
• kutbinahar

  June 2010 edited 3:02PM

  amazing alex ur support #1 [img]style_emoticons/<#EMO_DIR#>/wink.gif" style="vertical-align:middle" emoid=";)" border="0" alt="wink.gif" /> just whtever u imaging Fr will Complete that huh i have one question now i understood from this how to save in a XML file just i need a simple code that i have a Report conrol on my form through code how can i load specific reports from the Database.xml ??? without opening custom open Dialog?? and i dont want it to load in designer i need that in preview with regards k[/img]
• AlexTZ

  June 2010 edited 3:02PM

  Here is the code, I hope you will figure it out.
  

      private DataSet FReportsDs;
  
      private DataTable ReportsTable
      {
        get { return FReportsDs.Tables[0]; }
      }
      
      private void InitializeDatabase()
      {
        FReportsDs = new DataSet();
        FReportsDs.ReadXml(Config.ApplicationFolder + @"..\..\database.xml");
      }
  
      private void FinalizeDatabase()
      {
        FReportsDs.WriteXml(Config.ApplicationFolder + @"..\..\database.xml", XmlWriteMode.WriteSchema);
      }
  
      private void OpenReport(Report report, string reportName)
      {
        // find the datarow with specified ReportName
        foreach (DataRow row in ReportsTable.Rows)
        {
          if ((string)row["ReportName"] == reportName)
          {
            // load the report from a stream contained in the "ReportStream" datacolumn
            byte[] reportBytes = (byte[])row["ReportStream"];
            using (MemoryStream stream = new MemoryStream(reportBytes))
            {
              report.Load(stream);
            }
            return;
          }
        }
      }
  
      private void SaveReport(Report report, string reportName)
      {
        // find the datarow with specified ReportName
        DataRow reportRow = null;
  
        foreach (DataRow row in ReportsTable.Rows)
        {
          if ((string)row["ReportName"] == reportName)
          {
            reportRow = row;
            break;
          }
        }
  
        // no existing row found, append new one
        if (reportRow == null)
        {
          reportRow = ReportsTable.NewRow();
          ReportsTable.Rows.Add(reportRow);
        }
  
        // save the report to a stream, then put byte[] array to the datarow
        using (MemoryStream stream = new MemoryStream())
        {
          report.Save(stream);
  
          reportRow["ReportName"] = reportName;
          reportRow["ReportStream"] = stream.ToArray();
        }
      }