private void dgvLutz_CellContentClick(object sender, DataGridViewCellEventArgs e) { if (e.RowIndex < 0) { return; } else { lutzDataTable = DataOperator.GetLutz(_patientID, _visitID, _deptID, (DateTime)dgvLutz.Rows[e.RowIndex].Cells[0].Value); pushValue(lutzDataTable); } }