http://bugzilla.novell.com/show_bug.cgi?id=522659
Summary: DataGridView does not call GetValue
PropertyDescriptor.GetValue/SetValue
Classification: Mono
Product: Mono: Class Libraries
Version: 2.4.x
Platform: All
OS/Version: All
Status: NEW
Severity: Major
Priority: P5 - None
Component: Windows.Forms
AssignedTo: [email protected]
ReportedBy: [email protected]
QAContact: [email protected]
Found By: Development
Description of Problem:
When binding an ITypedList to a DataGridView (either via BindingSource or
directly)the List's properties are aquired from ITypedList.GetProprties()
which returns a collection of PropertyDescriptors. This works as a DataGridView
displays the appropriate columns when binded.
However, the data are aquired/set from the said PropertyDescriptors by calling
PropertyDescriptors.GetValue and PropertyDescriptors.SetValue which are never
called resulting in an empty grid.
Tested on a solution that works fine on .net but displays empty grids on mono
Steps to reproduce the problem:
1. Create a List<T> where T a business object and implement ITypedList.
2. On a form with a BindingSource and a DataGridView, set the BindingSource's
DataSource to the an instance of the list and the DataGridView's DataSource to
the BindingSource instance. Alternatevily try setting the DataGridView's
DataSource to the the List directly
Actual Results:
Rows are displayed but columns have no data (because the columns are created
based on the PropertyDescriptorCollection aquired from
ITypedList.GetProperties() but PropertyDescriptor.GetValue() which should
normally fetch individual column data is never called)
Expected Results:
List item's data should appear in the grid's cells
How often does this happen?
Always
Additional Information:
The depreciated DataGrid control works fine, so this should be a bug with
DataGridView.
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