/*更新学生信息实现*/
public static bool EditStudent_(ENTITY.Student_ student_)
{
string sql = "update Student_ set studentName=@studentName,sex=@sex,classInfo=@classInfo,birthday=@birthday,zhengzhimianmao=@zhengzhimianmao,telephone=@telephone,address=@address where studentNumber=@studentNumber";
/*构建sql参数信息*/
SqlParameter[] parm = new SqlParameter[] {
new SqlParameter("@studentName", SqlDbType.VarChar),
new SqlParameter("@sex", SqlDbType.VarChar),
new SqlParameter("@classInfo", SqlDbType.VarChar),
new SqlParameter("@birthday", SqlDbType.DateTime),
new SqlParameter("@zhengzhimianmao", SqlDbType.VarChar),
new SqlParameter("@telephone", SqlDbType.VarChar),
new SqlParameter("@address", SqlDbType.VarChar),
new SqlParameter("@studentNumber", SqlDbType.VarChar)
};
/*为参数赋值*/
parm[0].Value = student_.studentName;
parm[1].Value = student_.sex;
parm[2].Value = student_.classInfo;
parm[3].Value = student_.birthday;
parm[4].Value = student_.zhengzhimianmao;
parm[5].Value = student_.telephone;
parm[6].Value = student_.address;
parm[7].Value = student_.studentNumber;
/*执行更新*/
return((DBHelp.ExecuteNonQuery(sql, parm) > 0) ? true : false);
}
/*添加学生信息实现*/
public static bool AddStudent_(ENTITY.Student_ student_)
{
string sql = "insert into Student_(studentNumber,studentName,sex,classInfo,birthday,zhengzhimianmao,telephone,address) values(@studentNumber,@studentName,@sex,@classInfo,@birthday,@zhengzhimianmao,@telephone,@address)";
/*构建sql参数*/
SqlParameter[] parm = new SqlParameter[] {
new SqlParameter("@studentNumber", SqlDbType.VarChar),
new SqlParameter("@studentName", SqlDbType.VarChar),
new SqlParameter("@sex", SqlDbType.VarChar),
new SqlParameter("@classInfo", SqlDbType.VarChar),
new SqlParameter("@birthday", SqlDbType.DateTime),
new SqlParameter("@zhengzhimianmao", SqlDbType.VarChar),
new SqlParameter("@telephone", SqlDbType.VarChar),
new SqlParameter("@address", SqlDbType.VarChar)
};
/*给参数赋值*/
parm[0].Value = student_.studentNumber; //学号
parm[1].Value = student_.studentName; //学生姓名
parm[2].Value = student_.sex; //性别
parm[3].Value = student_.classInfo; //所在班级
parm[4].Value = student_.birthday; //出生日期
parm[5].Value = student_.zhengzhimianmao; //政治面貌
parm[6].Value = student_.telephone; //联系电话
parm[7].Value = student_.address; //家庭地址
/*执行sql进行添加*/
return((DBHelp.ExecuteNonQuery(sql, parm) > 0) ? true : false);
}
/*根据studentNumber获取某条学生信息记录*/
public static ENTITY.Student_ getSomeStudent_(string studentNumber)
{
/*构建查询sql*/
string sql = "select * from Student_ where studentNumber='" + studentNumber + "'";
SqlDataReader DataRead = DBHelp.ExecuteReader(sql, null);
ENTITY.Student_ student_ = new ENTITY.Student_();
/*如果查询存在记录，就包装到对象中返回*/
if (DataRead.Read())
{
student_.studentNumber = DataRead["studentNumber"].ToString();
student_.studentName = DataRead["studentName"].ToString();
student_.sex = DataRead["sex"].ToString();
student_.classInfo = DataRead["classInfo"].ToString();
student_.birthday = Convert.ToDateTime(DataRead["birthday"].ToString());
student_.zhengzhimianmao = DataRead["zhengzhimianmao"].ToString();
student_.telephone = DataRead["telephone"].ToString();
student_.address = DataRead["address"].ToString();
}
return(student_);
}
