area-controls-DataGridViewhelp wantedtenet-performance
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Beschreibung
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.NET Core Version: all up to 7.0 p2
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Have you experienced this same bug with .NET Framework?: Yes
Problem description:
As I mentioned in https://github.com/dotnet/winforms/issues/6858 DataGridView not dispose old data on DataSource change. This is lead to 2 problems:
- All this stuff are going to finalization query because we have unnecessary finalizer here #6858.
- If we have a
ContextMenuStripbound to Cell/Column/Row we will have a memory leak.DataGridViewwith 3 columns andContextMenuStripbound to 1000 rows, result of DS refresh:
Expected behavior:
Old data must be property disposed. Probably in DataGridView.RefreshColumnsAndRows() (in DataGridView.Methods.cs)
Minimal repro: DataGridViewLeak.zip