/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(ITCastOCSS.Model.Elective model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Elective set ");
strSql.Append("SID=@SID,");
strSql.Append("CID=@CID,");
strSql.Append("Score=@Score");
strSql.Append(" where EID=@EID");
SqlParameter[] parameters =
{
new SqlParameter("@SID", SqlDbType.Int, 4),
new SqlParameter("@CID", SqlDbType.Int, 4),
new SqlParameter("@Score", SqlDbType.Float, 8),
new SqlParameter("@EID", SqlDbType.Int, 4)
};
parameters[0].Value = model.SID;
parameters[1].Value = model.CID;
parameters[2].Value = model.Score;
parameters[3].Value = model.EID;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(ITCastOCSS.Model.Elective model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Elective(");
strSql.Append("SID,CID,Score)");
strSql.Append(" values (");
strSql.Append("@SID,@CID,@Score)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@SID", SqlDbType.Int, 4),
new SqlParameter("@CID", SqlDbType.Int, 4),
new SqlParameter("@Score", SqlDbType.Float, 8)
};
parameters[0].Value = model.SID;
parameters[1].Value = model.CID;
parameters[2].Value = model.Score;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public ITCastOCSS.Model.Elective DataRowToModel(DataRow row)
{
ITCastOCSS.Model.Elective model = new ITCastOCSS.Model.Elective();
if (row != null)
{
if (row["EID"] != null && row["EID"].ToString() != "")
{
model.EID = int.Parse(row["EID"].ToString());
}
if (row["SID"] != null && row["SID"].ToString() != "")
{
model.SID = int.Parse(row["SID"].ToString());
}
if (row["CID"] != null && row["CID"].ToString() != "")
{
model.CID = int.Parse(row["CID"].ToString());
}
if (row["Score"] != null && row["Score"].ToString() != "")
{
model.Score = decimal.Parse(row["Score"].ToString());
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public ITCastOCSS.Model.Elective GetModel(int EID)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 EID,SID,CID,Score from Elective ");
strSql.Append(" where EID=@EID");
SqlParameter[] parameters =
{
new SqlParameter("@EID", SqlDbType.Int, 4)
};
parameters[0].Value = EID;
ITCastOCSS.Model.Elective model = new ITCastOCSS.Model.Elective();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
