private void dgvChildpugh_CellContentClick(object sender, DataGridViewCellEventArgs e) { if (e.RowIndex < 0) { return; } else { ChildpughDataTable = DataOperator.GetChildPugh(_patientID, _visitID, _deptID, (DateTime)dgvChildpugh.Rows[e.RowIndex].Cells[0].Value); pushValue(ChildpughDataTable); } }