/*根据scoreId获取某条成绩信息记录*/
public static ENTITY.Score_ getSomeScore_(int scoreId)
{
/*构建查询sql*/
string sql = "select * from Score_ where scoreId=" + scoreId;
SqlDataReader DataRead = DBHelp.ExecuteReader(sql, null);
ENTITY.Score_ score_ = new ENTITY.Score_();
/*如果查询存在记录，就包装到对象中返回*/
if (DataRead.Read())
{
score_.scoreId = Convert.ToInt32(DataRead["scoreId"]);
score_.studentNo = DataRead["studentNo"].ToString();
score_.courseNo = DataRead["courseNo"].ToString();
score_.termId = Convert.ToInt32(DataRead["termId"]);
score_.score = float.Parse(DataRead["score"].ToString());
}
return(score_);
}
/*添加成绩信息实现*/
public static bool AddScore_(ENTITY.Score_ score_)
{
string sql = "insert into Score_(studentNo,courseNo,termId,score) values(@studentNo,@courseNo,@termId,@score)";
/*构建sql参数*/
SqlParameter[] parm = new SqlParameter[] {
new SqlParameter("@studentNo", SqlDbType.VarChar),
new SqlParameter("@courseNo", SqlDbType.VarChar),
new SqlParameter("@termId", SqlDbType.Int),
new SqlParameter("@score", SqlDbType.Float)
};
/*给参数赋值*/
parm[0].Value = score_.studentNo; //所属学生
parm[1].Value = score_.courseNo; //所属课程
parm[2].Value = score_.termId; //所在学期
parm[3].Value = score_.score; //成绩得分
/*执行sql进行添加*/
return((DBHelp.ExecuteNonQuery(sql, parm) > 0) ? true : false);
}
/*更新成绩信息实现*/
public static bool EditScore_(ENTITY.Score_ score_)
{
string sql = "update Score_ set studentNo=@studentNo,courseNo=@courseNo,termId=@termId,score=@score where scoreId=@scoreId";
/*构建sql参数信息*/
SqlParameter[] parm = new SqlParameter[] {
new SqlParameter("@studentNo", SqlDbType.VarChar),
new SqlParameter("@courseNo", SqlDbType.VarChar),
new SqlParameter("@termId", SqlDbType.Int),
new SqlParameter("@score", SqlDbType.Float),
new SqlParameter("@scoreId", SqlDbType.Int)
};
/*为参数赋值*/
parm[0].Value = score_.studentNo;
parm[1].Value = score_.courseNo;
parm[2].Value = score_.termId;
parm[3].Value = score_.score;
parm[4].Value = score_.scoreId;
/*执行更新*/
return((DBHelp.ExecuteNonQuery(sql, parm) > 0) ? true : false);
}
