DataGridView control
The class of the current row
DataGridViewRow
Get the current row
DataGridView对象.CurrentRow
Get the currently selected row collection
DataGridView.SelectedRows
Get all cells in the current row
DataGridView对象.CurrentRow.Cells
Get the cell with subscript n among all cells in the current row
DataGridView对象.CurrentRow.Cells[n]
Get the value of a cell object
单元格对象.Value
Get the cell of the specified row and column
DateGridView对象[列索引，行索引]
Get the currently selected cell
DataGridView对象.CurrentCell
Get the row index of the row of the cell
单元格.RowIndex
Get the selected cell collection
DateGridView对象.SelectedCells
Get the cell with the nth index in the selected cell set
DateGridView对象.SelectedCells[n]