/// <summary> /// /// </summary> /// <param name="keyName"></param> /// <returns></returns> public static SQLServer GetInstance(string keyName) { if (null != SQLServer.regDict && SQLServer.regDict.ContainsKey(keyName)) { SQLServer inst = new SQLServer(); inst.keyName = keyName; inst.connectionString = SQLServer.regDict[keyName]; inst.UpdateSysObject(true); return(inst); } return(null); }