vs, C # Form Designer: the contents of a cell in datagridview control too much, way line display to wrap:
Click datagridview control, as shown in the Properties box will RowsDefaultCellStyle attribute points to open at WrapMode changed option to true , then AutoSizeRowsMode property to DisplayedCellsExceptHeaders can.
RowsDefaultCellStyle properties: datagridview default style applied to the row of the cell.
AutoSizeRowsMode properties: determining automatically resize mode visible rows.