//在getAllStudent()里把datatable遍历，增加新的一列
public DataTable getAllStudent()
{
StudentService stuService = new StudentService();
DataTable dt = stuService.getAllStudent();
//添加性别列
dt.Columns.Add("trans_gender",typeof(string));
foreach (DataRow dr in dt.Rows)
{
if (dr["gender"].ToString() == "0")
{
dr["trans_gender"] = "女";
}
else
{
dr["trans_gender"] = "男";
}
}
//添加学院列
dt.Columns.Add("trans_college", typeof(string));
CollegeService collegeService = new CollegeService();
foreach (DataRow dr in dt.Rows)
{
dr["trans_college"] = collegeService.getCollegeNameByCid(int.Parse(dr["collegeid"].ToString())).Cname;
}
return dt;
}
