The public API is still not stable and it is a very good idea to read release notes and migration guide before each update. Performance matters mostly for large files. For small files, few ms here or ...
In UI Form1.cs, open the Toolbox, drag a LayoutControl onto the form, and set Dock to Fill. In the Toolbox, drag a GridControl inside the LayoutControl. Set up the DataSource (Choose Data Source).
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