/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(PollingLogEntity model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Polling_Log set ");
strSql.Append("PL_Time=@PL_Time,");
strSql.Append("Msc_ID=@Msc_ID,");
strSql.Append("Value=@Value");
strSql.Append(" where Pl_ID=@Pl_ID");
SqlParameter[] parameters =
{
new SqlParameter("@PL_Time", SqlDbType.DateTime),
new SqlParameter("@Msc_ID", SqlDbType.Int, 4),
new SqlParameter("@Value", SqlDbType.Float, 8),
new SqlParameter("@Pl_ID", SqlDbType.Int, 4)
};
parameters[0].Value = model.PL_Time;
parameters[1].Value = model.Msc_ID;
parameters[2].Value = model.Value;
parameters[3].Value = model.Pl_ID;
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(PollingLogEntity model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Polling_Log(");
strSql.Append("PL_Time,Msc_ID,Value)");
strSql.Append(" values (");
strSql.Append("@PL_Time,@Msc_ID,@Value)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@PL_Time", SqlDbType.DateTime),
new SqlParameter("@Msc_ID", SqlDbType.Int,4),
new SqlParameter("@Value", SqlDbType.Float, 8)
};
parameters[0].Value = model.PL_Time;
parameters[1].Value = model.Msc_ID;
parameters[2].Value = model.Value;
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 PollingLogEntity DataRowToModel(DataRow row)
{
PollingLogEntity model = new PollingLogEntity();
if (row != null)
{
if (row["Pl_ID"] != null && row["Pl_ID"].ToString() != "")
{
model.Pl_ID = int.Parse(row["Pl_ID"].ToString());
}
if (row["PL_Time"] != null && row["PL_Time"].ToString() != "")
{
model.PL_Time = DateTime.Parse(row["PL_Time"].ToString());
}
if (row["Msc_ID"] != null && row["Msc_ID"].ToString() != "")
{
model.Msc_ID = int.Parse(row["Msc_ID"].ToString());
}
if (row["Value"] != null && row["Value"].ToString() != "")
{
model.Value = decimal.Parse(row["Value"].ToString());
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public PollingLogEntity GetModel(int Pl_ID)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 Pl_ID,PL_Time,Msc_ID,Value from Polling_Log ");
strSql.Append(" where Pl_ID=@Pl_ID");
SqlParameter[] parameters =
{
new SqlParameter("@Pl_ID", SqlDbType.Int, 4)
};
parameters[0].Value = Pl_ID;
PollingLogEntity model = new PollingLogEntity();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(PollingLogEntity model)
{
return(dal.Update(model));
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(PollingLogEntity model)
{
return(dal.Add(model));
}
