Zuerst das DataTable einfügen und erst danach die Buttons hinzufügen.
Code:{ DataTable table = new DataTable(); table.Columns.Add("Host"); table.Columns.Add("Username"); table.Columns.Add("Password"); table.Columns.Add("SFTP"); DataGridView grid = new DataGridView(); grid.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill; grid.Dock = DockStyle.Fill; grid.DataSource = table; DataGridViewButtonColumn btn = new DataGridViewButtonColumn(); grid.Columns.Add(btn); btn.HeaderText = "Actions"; btn.Text = "delete"; btn.Name = "btnDelete"; btn.UseColumnTextForButtonValue = true; //(wahlweise) }




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