C#DGV选择shift多选

private Void Startow=-1;

MouseClick事件

if(e.Butto==MouseButtons.Left && !(Control.ModifierKeys==Kesy.Shift)) 
{
	Startow=this.dgv.CurrentRow.Index;
}



KeyUp

if(this.dgv.SelectedCells.Count>0 && e.KeyData==Kesy.Shift)
{
	int endrow=tjis.dgv.CurrentRow.Index;
	if(Startow<=endrow)
	{
		for(int i=Startow;i<=endrow)
		{
			this.dgv.Rows[i].Cells[0].Value=1;
		}
	}
}