Error moving through large report

Question

Post Author: dbronstein
CA Forum: General
We have an ASP.NET 2.0 app with Crystal XI R2.  When we try to move to the end of a large report, we get this message:
Failed to retrieve data from the database. Details: [Database Vendor Code: 17 ] Error in File C:\WINDOWS\TEMP\annproc {72FCA892-D200-4116-9D3E-BA22AEE7DD45}.rpt: Failed to retrieve data from the database. Details: [Database Vendor Code: 17 ]
Small reports work fine.  We get the same error when we try to export the report to excel. Does anyone have any ideas for a workaround?

Answer 1

I believe KBase [1200141 - How to set the focus of the .NET Windows CrystalReportViewer so the report preview scrolls without clicking|http://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/com.sap.km.cm.docs/oss_notes_boj/sdn_oss_boj_erq/sap(bD1lbiZjPTAwMQ==)/bc/bsp/spn/scn_bosap/notes.do]. Unfortunately as I type this, there is something wrong with the search and I keep getting 403 errors. Below is the contents of the kbase:
*Symptom *
In Crystal Reports XI and XI R2 the report page view for a .NET Windows application will not scroll up/down with the mouse wheel.
*Cause *
This is the default behavior of the CrystalReportViewer control for .NET Windows applications but can be changed with some custom code.
*Resolution *
In order to fix this problem you must set the focus of the Windows application to the main report tab in the CrystalReportViewer control.
This action must be done in the parent form's Activated event. Below is some sample code that demonstrates how this can be accomplished.
// This is a member variable which allows us to set the focus on the first time the parent form is activated.
// The form is activated quite often and we only want to focus change to happen once.
bool m_bFirstTimeActivated = true;
private void Form1_Activated(object sender, System.EventArgs e)
   if (m_bFirstTimeActivated)
   // The CrystalReportViewer control is made up of 5 controls. The control in the first position is the PageView
   // control and is the one that needs to be modified. The PageView contains a TabControl that allows us to
   // have the main report and all subreports displayed as other tabs.
   // We set the focus to the first tab in the collection so scrolling works automatically.
   System.Windows.Forms.TabControl oTabControl = (System.Windows.Forms.TabControl) crystalReportViewer1.Controls[0].Controls[0];
   oTabControl.TabPages[0].Focus(); 
   m_bFirstTimeActivated = false;
Ludek
Edited by: Ludek Uher on Jul 5, 2010 11:26 AM