/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Model.Score_T model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Score_T set ");
strSql.Append("StudentID=@StudentID,");
strSql.Append("ScoreNum=@ScoreNum");
strSql.Append(" where ScoreID=@ScoreID ");
SqlParameter[] parameters =
{
new SqlParameter("@StudentID", SqlDbType.Int, 4),
new SqlParameter("@ScoreNum", SqlDbType.Decimal, 9),
new SqlParameter("@ScoreID", SqlDbType.Int, 4)
};
parameters[0].Value = model.StudentID;
parameters[1].Value = model.ScoreNum;
parameters[2].Value = model.ScoreID;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public bool Add(Model.Score_T model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Score_T(");
strSql.Append("StudentID,ScoreNum)");
strSql.Append(" values (");
strSql.Append("@StudentID,@ScoreNum)");
SqlParameter[] parameters =
{
// new SqlParameter("@ScoreID", SqlDbType.Int,4),
new SqlParameter("@StudentID", SqlDbType.Int, 4),
new SqlParameter("@ScoreNum", SqlDbType.Decimal, 9)
};
// parameters[0].Value = model.ScoreID;
parameters[0].Value = model.StudentID;
parameters[1].Value = model.ScoreNum;
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 Model.Score_T DataRowToModel(DataRow row)
{
Model.Score_T model = new Model.Score_T();
if (row != null)
{
if (row["ScoreID"] != null && row["ScoreID"].ToString() != "")
{
model.ScoreID = int.Parse(row["ScoreID"].ToString());
}
if (row["StudentID"] != null && row["StudentID"].ToString() != "")
{
model.StudentID = int.Parse(row["StudentID"].ToString());
}
if (row["ScoreNum"] != null && row["ScoreNum"].ToString() != "")
{
model.ScoreNum = decimal.Parse(row["ScoreNum"].ToString());
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Model.Score_T GetModel(int ScoreID)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 ScoreID,StudentID,ScoreNum from Score_T ");
strSql.Append(" where ScoreID=@ScoreID ");
SqlParameter[] parameters =
{
new SqlParameter("@ScoreID", SqlDbType.Int, 4)
};
parameters[0].Value = ScoreID;
Model.Score_T model = new Model.Score_T();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
