Codejock Developer Community : AccessViolationException http://forum.codejock.com/ Copyright (c) 2006-2013 Web Wiz Forums - All Rights Reserved. Fri, 15 May 2026 05:44:48 +0000 Wed, 06 Jan 2010 11:14:20 +0000 http://blogs.law.harvard.edu/tech/rss Web Wiz Forums 12.04 360 forum.codejock.com/RSS_post_feed.asp?TID=15955 <![CDATA[Codejock Developer Community]]> http://forum.codejock.com/forum_images/codejock-logo.gif http://forum.codejock.com/ <![CDATA[AccessViolationException : Thanks... I&#039;ll give that...]]> http://forum.codejock.com/forum_posts.asp?TID=15955&PID=56013&title=accessviolationexception#56013 Author: SteveStraley
Subject: 15955
Posted: 06 January 2010 at 11:14am

Thanks... I'll give that a whirl...]]> Wed, 06 Jan 2010 11:14:20 +0000 http://forum.codejock.com/forum_posts.asp?TID=15955&PID=56013&title=accessviolationexception#56013 <![CDATA[AccessViolationException : You don&#039;t need to call oControl:Records.DeleteAll();...]]> http://forum.codejock.com/forum_posts.asp?TID=15955&PID=55995&title=accessviolationexception#55995 Author: mdoubson
Subject: 15955
Posted: 05 January 2010 at 11:20am

You don't need to call oControl:Records.DeleteAll();]]> Tue, 05 Jan 2010 11:20:14 +0000 http://forum.codejock.com/forum_posts.asp?TID=15955&PID=55995&title=accessviolationexception#55995 <![CDATA[AccessViolationException : Hi, I have an issue and just...]]> http://forum.codejock.com/forum_posts.asp?TID=15955&PID=55993&title=accessviolationexception#55993 Author: SteveStraley
Subject: 15955
Posted: 05 January 2010 at 10:18am

Hi,

I have an issue and just need ideas on where to look.   I have a report control that off of it the user adds information.   When completed, I have the control "refresh" itself with the following basic lines:

oControl:Records.DeleteAll();

while (oControl.Rows.Count > 0)

{

  oControl.RemoveRowEx(oControl.Rows[0]);

}

// Re-use original data loading into control

oControl.Populate();

This is the same routine used throughout; however, in this one location there is a persistent error:

 

System.AccessViolationException: Attempted to read or write protected memory. This is often an indication that other memory is corrupt.

   at System.RuntimeType.ForwardCallToInvokeMember(String memberName, BindingFlags flags, Object target, Int32[] aWrapperTypes, MessageData& msgData)

   at XtremeReportControl._DReportControl.RemoveRowEx(ReportRow Row)

   at AxXtremeReportControl.AxReportControl.RemoveRowEx(ReportRow row)

   at TrakkerLIB.reportItems.RemoveAllRows() in C:\Development\TrakkerSoftware\TrakkerLIB\Controls\reportItems.cs:line 91

   at TrakkerLIB.reportItems.RemoveAllItems() in C:\Development\TrakkerSoftware\TrakkerLIB\Controls\reportItems.cs:line 102

   at TrakkerControls.reportGridItems.RefreshAdminItemStages() in C:\Development\TrakkerSoftware\TrakkerControls\TrakkerControls\Grid Report Items\reportGridItems_ItemStages.cs:line 87

   at TrakkerLIB.reportItems.RefreshGrid() in C:\Development\TrakkerSoftware\TrakkerLIB\Controls\reportItems.cs:line 84

   at TrakkerControls.reportGridItems.addNewItemStage(Object sender, EventArgs e) in C:\Development\TrakkerSoftware\TrakkerControls\TrakkerControls\Grid Report Items\reportGridItems_ItemStages.cs:line 118

   at System.Windows.Forms.ToolStripItem.RaiseEvent(Object key, EventArgs e)

   at System.Windows.Forms.ToolStripMenuItem.OnClick(EventArgs e)

   at System.Windows.Forms.ToolStripItem.HandleClick(EventArgs e)

   at System.Windows.Forms.ToolStripItem.HandleMouseUp(MouseEventArgs e)

   at System.Windows.Forms.ToolStripItem.FireEventInteractive(EventArgs e, ToolStripItemEventType met)

   at System.Windows.Forms.ToolStripItem.FireEvent(EventArgs e, ToolStripItemEventType met)

   at System.Windows.Forms.ToolStrip.OnMouseUp(MouseEventArgs mea)

   at System.Windows.Forms.ToolStripDropDown.OnMouseUp(MouseEventArgs mea)

   at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)

   at System.Windows.Forms.Control.WndProc(Message& m)

   at System.Windows.Forms.ScrollableControl.WndProc(Message& m)

   at System.Windows.Forms.ToolStrip.WndProc(Message& m)

   at System.Windows.Forms.ToolStripDropDown.WndProc(Message& m)

   at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)

   at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)

   at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

 
So the question is, what should I be looking for as the potential cause?
 
Thanks,
 
Steve
]]> Tue, 05 Jan 2010 10:18:11 +0000 http://forum.codejock.com/forum_posts.asp?TID=15955&PID=55993&title=accessviolationexception#55993