private void BindStudent()
{
Repository.ClassAssignment repoClassAssignment = new Repository.ClassAssignment();
List <Repository.Entity.Student> students = repoClassAssignment.GetClassStudents(this.NewClassID);
this.dgStudent.DataSource = students;
}
private void BindClassStudent(int cid)
{
this.dgClassStudent.AutoGenerateColumns = false;
Repository.ClassAssignment repoClassAssignment = new Repository.ClassAssignment();
List <Repository.Entity.Student> cs = repoClassAssignment.GetClassStudents(cid);
this.dgClassStudent.DataSource = cs;
this.lblTotal.Text = cs.Count.ToString();
this.lblBoys.Text = cs.Where(x => x.xb == "男").ToList <Repository.Entity.Student>().Count.ToString();
this.lblGirls.Text = cs.Where(x => x.xb == "女").ToList <Repository.Entity.Student>().Count.ToString();
this.lblAverage.Text = cs.Count > 0?cs.Average(x => x.zf).ToString():"0";
}
private void BindRecommendedStudent()
{
Repository.ClassAssignment repoClassAssignment = new Repository.ClassAssignment();
List <Repository.Entity.Student> students = repoClassAssignment.GetClassStudents(this.NewClassID);
// 推荐规则
// 1. 性别相同
// 2. 总分与对调学生最接近的1个人
List <Repository.Entity.Student> candidates = students.Where(x => x.xb == this.OldStudent.xb).ToList(); // 取性别相同学生
float minDiff = Math.Abs(candidates[0].zf - this.OldStudent.zf);
this.recomendedStudents.Insert(0, candidates[0]);
for (int i = 1; i < candidates.Count; i++)
{
if (Math.Abs(candidates[i].zf - this.OldStudent.zf) < minDiff)
{
minDiff = Math.Abs(candidates[i].zf - this.OldStudent.zf);
this.recomendedStudents[0] = candidates[i];
}
}
this.dgRecommendedStudent.DataSource = this.recomendedStudents;
}