/*根据scoreId获取某条成绩信息记录*/
public static ENTITY.ScoreInfo getSomeScoreInfo(int scoreId)
{
/*构建查询sql*/
string sql = "select * from ScoreInfo where scoreId=" + scoreId;
SqlDataReader DataRead = DBHelp.ExecuteReader(sql, null);
ENTITY.ScoreInfo scoreInfo = new ENTITY.ScoreInfo();
/*如果查询存在记录，就包装到对象中返回*/
if (DataRead.Read())
{
scoreInfo.scoreId = Convert.ToInt32(DataRead["scoreId"]);
scoreInfo.studentNumber = DataRead["studentNumber"].ToString();
scoreInfo.courseNumber = DataRead["courseNumber"].ToString();
scoreInfo.scoreValue = float.Parse(DataRead["scoreValue"].ToString());
scoreInfo.studentEvaluate = DataRead["studentEvaluate"].ToString();
}
return(scoreInfo);
}
/*添加成绩信息实现*/
public static bool AddScoreInfo(ENTITY.ScoreInfo scoreInfo)
{
string sql = "insert into ScoreInfo(studentNumber,courseNumber,scoreValue,studentEvaluate) values(@studentNumber,@courseNumber,@scoreValue,@studentEvaluate)";
/*构建sql参数*/
SqlParameter[] parm = new SqlParameter[] {
new SqlParameter("@studentNumber", SqlDbType.VarChar),
new SqlParameter("@courseNumber", SqlDbType.VarChar),
new SqlParameter("@scoreValue", SqlDbType.Float),
new SqlParameter("@studentEvaluate", SqlDbType.VarChar)
};
/*给参数赋值*/
parm[0].Value = scoreInfo.studentNumber; //学生对象
parm[1].Value = scoreInfo.courseNumber; //课程对象
parm[2].Value = scoreInfo.scoreValue; //成绩得分
parm[3].Value = scoreInfo.studentEvaluate; //学生评价
/*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 EditScoreInfo(ENTITY.ScoreInfo scoreInfo)
{
string sql = "update ScoreInfo set studentNumber=@studentNumber,courseNumber=@courseNumber,scoreValue=@scoreValue,studentEvaluate=@studentEvaluate where scoreId=@scoreId";
/*构建sql参数信息*/
SqlParameter[] parm = new SqlParameter[] {
new SqlParameter("@studentNumber", SqlDbType.VarChar),
new SqlParameter("@courseNumber", SqlDbType.VarChar),
new SqlParameter("@scoreValue", SqlDbType.Float),
new SqlParameter("@studentEvaluate", SqlDbType.VarChar),
new SqlParameter("@scoreId", SqlDbType.Int)
};
/*为参数赋值*/
parm[0].Value = scoreInfo.studentNumber;
parm[1].Value = scoreInfo.courseNumber;
parm[2].Value = scoreInfo.scoreValue;
parm[3].Value = scoreInfo.studentEvaluate;
parm[4].Value = scoreInfo.scoreId;
/*执行更新*/
return((DBHelp.ExecuteNonQuery(sql, parm) > 0) ? true : false);
}
