/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(DBAccess.Model.PLDeviceModel model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update PLDevice set ");
strSql.Append("devName=@devName,");
strSql.Append("nodeID=@nodeID,");
strSql.Append("tag1=@tag1,");
strSql.Append("tag2=@tag2,");
strSql.Append("tag3=@tag3,");
strSql.Append("tag4=@tag4,");
strSql.Append("tag5=@tag5");
strSql.Append(" where devID=@devID ");
SqlParameter[] parameters =
{
new SqlParameter("@devName", SqlDbType.NVarChar, 50),
new SqlParameter("@nodeID", SqlDbType.NVarChar, 50),
new SqlParameter("@tag1", SqlDbType.NVarChar, 50),
new SqlParameter("@tag2", SqlDbType.NVarChar, 50),
new SqlParameter("@tag3", SqlDbType.NVarChar, 50),
new SqlParameter("@tag4", SqlDbType.NVarChar, 50),
new SqlParameter("@tag5", SqlDbType.NVarChar, 50),
new SqlParameter("@devID", SqlDbType.NVarChar, 50)
};
parameters[0].Value = model.devName;
parameters[1].Value = model.nodeID;
parameters[2].Value = model.tag1;
parameters[3].Value = model.tag2;
parameters[4].Value = model.tag3;
parameters[5].Value = model.tag4;
parameters[6].Value = model.tag5;
parameters[7].Value = model.devID;
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 DBAccess.Model.PLDeviceModel DataRowToModel(DataRow row)
{
DBAccess.Model.PLDeviceModel model = new DBAccess.Model.PLDeviceModel();
if (row != null)
{
if (row["devID"] != null)
{
model.devID = row["devID"].ToString();
}
if (row["devName"] != null)
{
model.devName = row["devName"].ToString();
}
if (row["nodeID"] != null)
{
model.nodeID = row["nodeID"].ToString();
}
if (row["tag1"] != null)
{
model.tag1 = row["tag1"].ToString();
}
if (row["tag2"] != null)
{
model.tag2 = row["tag2"].ToString();
}
if (row["tag3"] != null)
{
model.tag3 = row["tag3"].ToString();
}
if (row["tag4"] != null)
{
model.tag4 = row["tag4"].ToString();
}
if (row["tag5"] != null)
{
model.tag5 = row["tag5"].ToString();
}
}
return(model);
}
/// <summary>
/// 增加一条数据
/// </summary>
public bool Add(DBAccess.Model.PLDeviceModel model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into PLDevice(");
strSql.Append("devID,devName,nodeID,tag1,tag2,tag3,tag4,tag5)");
strSql.Append(" values (");
strSql.Append("@devID,@devName,@nodeID,@tag1,@tag2,@tag3,@tag4,@tag5)");
SqlParameter[] parameters =
{
new SqlParameter("@devID", SqlDbType.NVarChar, 50),
new SqlParameter("@devName", SqlDbType.NVarChar, 50),
new SqlParameter("@nodeID", SqlDbType.NVarChar, 50),
new SqlParameter("@tag1", SqlDbType.NVarChar, 50),
new SqlParameter("@tag2", SqlDbType.NVarChar, 50),
new SqlParameter("@tag3", SqlDbType.NVarChar, 50),
new SqlParameter("@tag4", SqlDbType.NVarChar, 50),
new SqlParameter("@tag5", SqlDbType.NVarChar, 50)
};
parameters[0].Value = model.devID;
parameters[1].Value = model.devName;
parameters[2].Value = model.nodeID;
parameters[3].Value = model.tag1;
parameters[4].Value = model.tag2;
parameters[5].Value = model.tag3;
parameters[6].Value = model.tag4;
parameters[7].Value = model.tag5;
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 DBAccess.Model.PLDeviceModel GetModel(string devID)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 devID,devName,nodeID,tag1,tag2,tag3,tag4,tag5 from PLDevice ");
strSql.Append(" where devID=@devID ");
SqlParameter[] parameters =
{
new SqlParameter("@devID", SqlDbType.NVarChar, 50)
};
parameters[0].Value = devID;
DBAccess.Model.PLDeviceModel model = new DBAccess.Model.PLDeviceModel();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
