/// <summary> /// 按班级单科排名 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void btnClassOne_Click(object sender, EventArgs e) { if (this.cmbSubjects.SelectedValue == null || this.cmbClass.SelectedValue == null) { MessageBox.Show("你还没选中班级或学科"); return; } else { bool bo = false; if (this.checkBox1.Checked) { bo = true; } else { bo = false; } classmodel.Classes_ID = this.cmbClass.SelectedValue.ToString(); submodel.Subjects_ID = Convert.ToInt32(this.cmbSubjects.SelectedValue); this.dataGridView1.DataSource = examin.OrderBySingleClass(bo, classmodel, submodel); } }