/// <summary>
/// 是否连接实时库
/// </summary>
/// <returns></returns>
public Boolean Connection()
{
try {
String serverName = ConfigurationManager.AppSettings["PIServer"];
//格式："UID=kkk;PWD="
String userNameAndpassword = ConfigurationManager.AppSettings["PIConnectionString"];
if (null == dbConnector) {
dbConnector = new DbConnector();
}
dbConnector.ServerName = serverName;
String userName = String.Empty;
String password = String.Empty;
GetUserIDAndPwd(userNameAndpassword, out userName, out password);
dbConnector.UserName = userName;
dbConnector.Password = password;
dbConnector.TimeOut = 10; //超时时间，单位为秒
if (null != dbConnector && dbConnector.IsConnected()) {
tagTree = TagTree.CreateInstance(dbConnector);
tagManager = tagTree.GetMgr();
rootNode = tagTree.GetTreeRoot();
return true;
}
DbError error = dbConnector.Connect();
if (error.HasErrors) {
_ErrorInfo = "pSpaceApi类Connect函数出错:" + error.ErrorMessage + ",错误编码为： " + error.ErrorCode;
return false;
}
tagTree = TagTree.CreateInstance(dbConnector);
tagManager = tagTree.GetMgr();
rootNode = tagTree.GetTreeRoot();
return true;
}
catch (Exception e) {
_ErrorInfo = "pSpaceApi类Connect函数异常:" + e.Message + " $$$ " + e.StackTrace;
return false;
}
}
