/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(StudentMS.Model.S_C model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update S_C set ");
strSql.Append("Score=@Score");
strSql.Append(" where SNO=@SNO and CNO=@CNO ");
SqlParameter[] parameters =
{
new SqlParameter("@SNO", SqlDbType.VarChar, 50),
new SqlParameter("@CNO", SqlDbType.VarChar, 50),
new SqlParameter("@Score", SqlDbType.Float, 8)
};
parameters[0].Value = model.SNO;
parameters[1].Value = model.CNO;
parameters[2].Value = model.Score;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public StudentMS.Model.S_C GetModel(string SNO, string CNO)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 SNO,CNO,Score from S_C ");
strSql.Append(" where SNO=@SNO and CNO=@CNO ");
SqlParameter[] parameters =
{
new SqlParameter("@SNO", SqlDbType.VarChar, 50),
new SqlParameter("@CNO", SqlDbType.VarChar, 50)
};
parameters[0].Value = SNO;
parameters[1].Value = CNO;
StudentMS.Model.S_C model = new StudentMS.Model.S_C();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
model.SNO = ds.Tables[0].Rows[0]["SNO"].ToString();
model.CNO = ds.Tables[0].Rows[0]["CNO"].ToString();
if (ds.Tables[0].Rows[0]["Score"].ToString() != "")
{
model.Score = decimal.Parse(ds.Tables[0].Rows[0]["Score"].ToString());
}
return(model);
}
else
{
return(null);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public void Add(StudentMS.Model.S_C model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into S_C(");
strSql.Append("SNO,CNO,Score)");
strSql.Append(" values (");
strSql.Append("@SNO,@CNO,@Score)");
SqlParameter[] parameters =
{
new SqlParameter("@SNO", SqlDbType.VarChar, 50),
new SqlParameter("@CNO", SqlDbType.VarChar, 50),
new SqlParameter("@Score", SqlDbType.Float, 8)
};
parameters[0].Value = model.SNO;
parameters[1].Value = model.CNO;
parameters[2].Value = model.Score;
DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
}