/// <summary>
/// 增加一条数据
/// </summary>
public bool Add(ECAMSDataAccess.PlcDBSimModel model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into PlcDBSim(");
strSql.Append("PlcAddr,Val)");
strSql.Append(" values (");
strSql.Append("@PlcAddr,@Val)");
SqlParameter[] parameters =
{
new SqlParameter("@PlcAddr", SqlDbType.NChar, 10),
new SqlParameter("@Val", SqlDbType.Int, 4)
};
parameters[0].Value = model.PlcAddr;
parameters[1].Value = model.Val;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(ECAMSDataAccess.PlcDBSimModel model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update PlcDBSim set ");
strSql.Append("Val=@Val");
strSql.Append(" where PlcAddr=@PlcAddr ");
SqlParameter[] parameters =
{
new SqlParameter("@Val", SqlDbType.Int, 4),
new SqlParameter("@PlcAddr", SqlDbType.NChar, 10)
};
parameters[0].Value = model.Val;
parameters[1].Value = model.PlcAddr;
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 ECAMSDataAccess.PlcDBSimModel GetModel(string PlcAddr)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 PlcAddr,Val from PlcDBSim ");
strSql.Append(" where PlcAddr=@PlcAddr ");
SqlParameter[] parameters =
{
new SqlParameter("@PlcAddr", SqlDbType.NChar, 10)
};
parameters[0].Value = PlcAddr;
ECAMSDataAccess.PlcDBSimModel model = new ECAMSDataAccess.PlcDBSimModel();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["PlcAddr"] != null && ds.Tables[0].Rows[0]["PlcAddr"].ToString() != "")
{
model.PlcAddr = ds.Tables[0].Rows[0]["PlcAddr"].ToString();
}
if (ds.Tables[0].Rows[0]["Val"] != null && ds.Tables[0].Rows[0]["Val"].ToString() != "")
{
model.Val = int.Parse(ds.Tables[0].Rows[0]["Val"].ToString());
}
return(model);
}
else
{
return(null);
}
}
