[Mono-bugs] [Bug 80107][Nor] New - CurrencyManager throws NullReferenceException

bugzilla-daemon at bugzilla.ximian.com bugzilla-daemon at bugzilla.ximian.com
Thu Nov 30 18:13:35 EST 2006

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Changed by mika.aalto at tut.fi.


--- shadow/80107	2006-11-30 18:13:35.000000000 -0500
+++ shadow/80107.tmp.7739	2006-11-30 18:13:35.000000000 -0500
@@ -0,0 +1,74 @@
+Bug#: 80107
+Product: Mono: Class Libraries
+Version: 1.2
+OS: All
+OS Details: 
+Status: NEW   
+Priority: Normal
+Component: Windows.Forms
+AssignedTo: toshok at ximian.com                            
+ReportedBy: mika.aalto at tut.fi               
+QAContact: mono-bugs at ximian.com
+TargetMilestone: ---
+Summary: CurrencyManager throws NullReferenceException
+Description of Problem:
+CurrencyManager throws NullReferenceException in SetDataSource method when
+datasource type is DataView.
+Steps to reproduce the problem:
+1. Set dataview as a datasource for datagrid.
+2. Set datatable with some test data to dataview Table-property.
+3. Run form.
+Actual Results:
+Unhandled Exception: System.NullReferenceException: Object reference not
+set to an instance of an object
+  at System.Windows.Forms.CurrencyManager.SetDataSource (System.Object
+data_source) [0x00000] 
+  at System.Windows.Forms.CurrencyManager..ctor (System.Object data_source)
+  at System.Windows.Forms.BindingContext.CreateBindingManager
+(System.Object data_source, System.String data_member) [0x00000] 
+  at System.Windows.Forms.BindingContext.get_Item (System.Object
+data_source, System.String data_member) [0x00000] 
+  at System.Windows.Forms.DataGrid.SetDataSource (System.Object source,
+System.String member, Boolean recreate_rows) [0x00000] 
+  at System.Windows.Forms.DataGrid.SetDataSource (System.Object source,
+System.String member) [0x00000] 
+  at System.Windows.Forms.DataGrid.get_ListManager () [0x00000] 
+  at System.Windows.Forms.DataGrid.get_RowsCount () [0x00000] 
+  at System.Windows.Forms.DataGrid.CalcGridAreas () [0x00000] 
+  at System.Windows.Forms.DataGrid.OnHandleCreated (System.EventArgs e)
+  at System.Windows.Forms.Control.CreateHandle () [0x00000] 
+  at System.Windows.Forms.Control.CreateControl () [0x00000] 
+  at (wrapper remoting-invoke-with-check)
+System.Windows.Forms.Control:CreateControl ()
+  at System.Windows.Forms.Control.CreateControl () [0x00000] 
+  at System.Windows.Forms.Control.SetVisibleCore (Boolean value) [0x00000] 
+  at System.Windows.Forms.Form.SetVisibleCore (Boolean value) [0x00000] 
+  at System.Windows.Forms.Control.set_Visible (Boolean value) [0x00000] 
+  at (wrapper remoting-invoke-with-check)
+System.Windows.Forms.Control:set_Visible (bool)
+  at System.Windows.Forms.Application.RunLoop (Boolean Modal,
+System.Windows.Forms.ApplicationContext context) [0x00000] 
+  at System.Windows.Forms.Application.Run (System.Windows.Forms.Form
+mainForm) [0x00000] 
+  at DatagridTest.DatagridTest.Main () [0x00000]
+Expected Results:
+Datagrid is displayed with data in datatable.
+How often does this happen?
+Additional Information:
+Tested with subversion revision 68776.

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