public static string ReadByKey(string key)
        {
            var reader = new System.Configuration.AppSettingsReader();
            var resultObject = reader.GetValue(key, typeof(string));
            if (resultObject == null)
            {
                throw new System.Exception("Không có key này trong DataConfig");
            }

            return resultObject.ToString();
        }

 public static string Encrypt(string text, bool useHash)
 {
     byte[] keyArray;
     byte[] toEcryptArray = UTF8Encoding.UTF8.GetBytes(text);
     System.Configuration.AppSettingsReader setingReader = new System.Configuration.AppSettingsReader();
     string key = (string)setingReader.GetValue("SecurityKey", typeof(string));
     if (useHash)
     {
         MD5CryptoServiceProvider hashMd5 = new MD5CryptoServiceProvider();
         keyArray = hashMd5.ComputeHash(UTF8Encoding.UTF8.GetBytes(key));
         hashMd5.Clear();
     }
     else
     {
         keyArray = UTF8Encoding.UTF8.GetBytes(key);
     }
     TripleDESCryptoServiceProvider crypto = new TripleDESCryptoServiceProvider();
     crypto.Key = keyArray;
     crypto.Mode = CipherMode.ECB;
     crypto.Padding = PaddingMode.PKCS7;
     ICryptoTransform transforme = crypto.CreateEncryptor();
     byte[] result = transforme.TransformFinalBlock(toEcryptArray, 0, toEcryptArray.Length);
     crypto.Clear();
     return Convert.ToBase64String(result, 0, result.Length);
 }

 /// <summary>
 /// M�todo necesario para admitir el Dise�ador, no se puede modificar
 /// el contenido del m�todo con el editor de c�digo.
 /// </summary>
 private void InitializeComponent()
 {
     System.Configuration.AppSettingsReader configurationAppSettings = new System.Configuration.AppSettingsReader();
     this.oleDbDataAdapter1 = new System.Data.OleDb.OleDbDataAdapter();
     this.oleDbSelectCommand1 = new System.Data.OleDb.OleDbCommand();
     this.oleDbConnection1 = new System.Data.OleDb.OleDbConnection();
     this.datosInforme1 = new informe_1.datosInforme();
     ((System.ComponentModel.ISupportInitialize)(this.datosInforme1)).BeginInit();
     //
     // oleDbDataAdapter1
     //
     this.oleDbDataAdapter1.SelectCommand = this.oleDbSelectCommand1;
     this.oleDbDataAdapter1.TableMappings.AddRange(new System.Data.Common.DataTableMapping[] {
                                                                                                 new System.Data.Common.DataTableMapping("Table", "Table", new System.Data.Common.DataColumnMapping[] {
                                                                                                                                                                                                          new System.Data.Common.DataColumnMapping("NOMBRE", "NOMBRE")})});
     //
     // oleDbSelectCommand1
     //
     this.oleDbSelectCommand1.CommandText = "SELECT \'\' AS NOMBRE FROM DUAL";
     this.oleDbSelectCommand1.Connection = this.oleDbConnection1;
     //
     // oleDbConnection1
     //
     this.oleDbConnection1.ConnectionString = ((string)(configurationAppSettings.GetValue("cadenaConexion", typeof(string))));
     //
     // datosInforme1
     //
     this.datosInforme1.DataSetName = "datosInforme";
     this.datosInforme1.Locale = new System.Globalization.CultureInfo("es-ES");
     this.datosInforme1.Namespace = "http://www.tempuri.org/datosInforme.xsd";
     this.Load += new System.EventHandler(this.Page_Load);
     ((System.ComponentModel.ISupportInitialize)(this.datosInforme1)).EndInit();
 }

        public MaildirMessageRetrievalInterface()
        {
            string maildirPath;

            try
            {
                System.Configuration.AppSettingsReader settings = new System.Configuration.AppSettingsReader();
                maildirPath = (string)settings.GetValue("MaildirPath", typeof(string));
            }
            catch (InvalidOperationException)
            {
                throw new ApplicationException(
                    "Could not read MaildirPath from the configuration."
                    );
            }

            if (!Directory.Exists(maildirPath))
            {
                throw new ApplicationException(
                    "MaildirPath does not exist."
                    );
            }

            if (!Directory.Exists(Path.Combine(maildirPath, "new"))
                || !Directory.Exists(Path.Combine(maildirPath, "cur"))
               )
            {
                throw new ApplicationException(
                    "MaildirPath does not refer to a valid Maildir."
                    );
            }

            newDir = new DirectoryInfo(Path.Combine(maildirPath, "new"));
            curDir = new DirectoryInfo(Path.Combine(maildirPath, "cur"));
        }

        public RentalService()
        {
            System.Configuration.AppSettingsReader r = new System.Configuration.AppSettingsReader();
            string path = (string)r.GetValue("DataFaceSimulationsettings", typeof(String));
            //class name to load
            string line;

            // Read the file and display it line by line.
            using (System.IO.StreamReader file = new System.IO.StreamReader(path))
            {
                line = file.ReadToEnd();
                file.Close();
            }
            SimulationManager.Simulator s = new SimulationManager.Simulator();

            //s.Check("DataFaceSimulationsettings: " + line);
            if (line=="DataFacade1")
            {
                df = new DataFacade1();
                //s.Check("DataFaceSimulationsettings: instantiated " + line);
            }
            else if (line == "DataFacade2")
            {
                df = new DataFacade2();
                //s.Check("DataFaceSimulationsettings: instantiated " + line);
            }
            else
            {
                throw new Exception("DataFacade not loaded, check the following appsetting in web.config -> 'DataFaceSimulationsettings'");
            }
        }

        // ////////////////////////////////////////////////////////////////////////
        // EVENTS
        //
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                // Security check
                if (!Convert.ToBoolean(Session["sgLFS_LABOUR_HOURS_FULL_EDITING"]))
                {
                    if (!Convert.ToBoolean(Session["sgLFS_LABOUR_HOURS_REPORTS"]))
                    {
                        Response.Redirect("./../../error_page.aspx?error=" + "You are not authorized to view this page. Contact your system administrator.");
                    }
                }

                // Initialize viewstate variables
                System.Configuration.AppSettingsReader appSettingReader = new System.Configuration.AppSettingsReader();
                ViewState["LHMode"] = appSettingReader.GetValue("LABOUR_HOURS_OPERATION_MODE", typeof(System.String)).ToString();

                // Prepare initial data for client
                ddlProjectTimeState.SelectedValue = "Approved";
                tkrdpStartDate.SelectedDate = DateTime.Now;
                tkrdpEndDate.SelectedDate = DateTime.Now;

                // Register delegates
                this.RegisterDelegates();
            }
            else
            {
                // Register delegates
                this.RegisterDelegates();
            }
        }

 /// <summary>
 /// Required method for Designer support - do not modify
 /// the contents of this method with the code editor.
 /// </summary>
 private void InitializeComponent()
 {
     System.Configuration.AppSettingsReader configurationAppSettings = new System.Configuration.AppSettingsReader();
     this.cnOrderTrackerDB = new System.Data.SqlClient.SqlConnection();
     this.sqlDataAdapter1 = new System.Data.SqlClient.SqlDataAdapter();
     this.sqlCommand2 = new System.Data.SqlClient.SqlCommand();
     this.custData1 = new OrderTrackerv2.HOOemployees.Secure.CustData();
     ((System.ComponentModel.ISupportInitialize)(this.custData1)).BeginInit();
     //
     // cnOrderTrackerDB
     //
     this.cnOrderTrackerDB.ConnectionString = ((string)(configurationAppSettings.GetValue("cnOrderTrackerDB.ConnectionString", typeof(string))));
     //
     // sqlDataAdapter1
     //
     this.sqlDataAdapter1.SelectCommand = this.sqlCommand2;
     this.sqlDataAdapter1.TableMappings.AddRange(new System.Data.Common.DataTableMapping[] {
                                                                                               new System.Data.Common.DataTableMapping("Table", "Customers", new System.Data.Common.DataColumnMapping[] {
                                                                                                                                                                                                            new System.Data.Common.DataColumnMapping("SID", "SID"),
                                                                                                                                                                                                            new System.Data.Common.DataColumnMapping("name", "name"),
                                                                                                                                                                                                            new System.Data.Common.DataColumnMapping("email", "email"),
                                                                                                                                                                                                            new System.Data.Common.DataColumnMapping("phone", "phone")})});
     //
     // sqlCommand2
     //
     this.sqlCommand2.CommandText = "SELECT SID, name, phone, email FROM dbo.Customers";
     this.sqlCommand2.Connection = this.cnOrderTrackerDB;
     //
     // custData1
     //
     this.custData1.DataSetName = "CustData";
     this.custData1.Locale = new System.Globalization.CultureInfo("en-US");
     this.Load += new System.EventHandler(this.Page_Load);
     ((System.ComponentModel.ISupportInitialize)(this.custData1)).EndInit();
 }

        public static string Encrypt(string toEncrypt, bool useHashing)
        {
            byte[] keyArray;
            byte[] toEncryptArray = UTF8Encoding.UTF8.GetBytes(toEncrypt);

            System.Configuration.AppSettingsReader settingsReader = new System.Configuration.AppSettingsReader();
            // Get the key from config file
            string key = "9078a2e6-ed71-4607-b4d1-b68993880501";
            //System.Windows.Forms.MessageBox.Show(key);
            if (useHashing)
            {
                MD5CryptoServiceProvider hashmd5 = new MD5CryptoServiceProvider();
                keyArray = hashmd5.ComputeHash(UTF8Encoding.UTF8.GetBytes(key));
                hashmd5.Clear();
            }
            else
                keyArray = UTF8Encoding.UTF8.GetBytes(key);

            TripleDESCryptoServiceProvider tdes = new TripleDESCryptoServiceProvider();
            tdes.Key = keyArray;
            tdes.Mode = CipherMode.ECB;
            tdes.Padding = PaddingMode.PKCS7;

            ICryptoTransform cTransform = tdes.CreateEncryptor();
            byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
            tdes.Clear();
            return Convert.ToBase64String(resultArray, 0, resultArray.Length);
        }

 /// <summary>
 /// Gets the application security context.
 /// </summary>
 /// <returns></returns>
 public ApplicationSecurityContext GetApplicationSecurityContext()
 {
     System.Configuration.AppSettingsReader appSettingsReader = new System.Configuration.AppSettingsReader();
     var appGuidstr = appSettingsReader.GetValue("gatekeeper-app-guid", typeof(string)) as string;
     var appGuid = new Guid(appGuidstr);
     return new ApplicationSecurityContext(appGuid);
 }

 public static void GenerateMethodMap()
 {
     Mil = new MethodInclusion();
     string line;
     System.Configuration.AppSettingsReader r = new System.Configuration.AppSettingsReader();
     string path = (string)r.GetValue("MethodInclusionList", typeof(String));
     // Read the file and display it line by line.
     System.IO.StreamReader file = new System.IO.StreamReader(path);
     while ((line = file.ReadLine()) != null)
     {
         Mil.list.Add(line, line);
     }
     file.Close();
     //read a file which contains information on what to apply
     //the file will be a key and values list, method name, followed by sleep time,
     //a boolean to throw method exceptions or not and a bool to hold onto a unmanaged reference
     Type myType = (typeof(RentalServiceClient));
     // Get the public methods.
     sim = new Sim();
     MethodInfo[] myArrayMethodInfo = myType.GetMethods(BindingFlags.Public | BindingFlags.Instance | BindingFlags.DeclaredOnly);
     // initialise methods
     foreach (MethodInfo methodInfo in myArrayMethodInfo)
     {
         SimulationAction sa = new SimulationAction();
         sa.methodname = methodInfo.Name;
         sa.consumeheap = false;
         sa.sleep = 1;
         sa.throwException = false;
         sa.consumecpu = false;
         if (Mil.list.ContainsKey(methodInfo.Name))
         {
             sim.methodSimulationMap.Add(sa);
         }
     }
 }

 public Conexion()
 {
     System.Configuration.AppSettingsReader config = new System.Configuration.AppSettingsReader();
     con = new SqlConnection();
     //Data Source=ANDROMEDA\SQL2008R2;Initial Catalog=BDSGCRM;User ID=sa;Password=sqlserver
     this.con.ConnectionString = (@"Data Source=ORION\SQL2008R2;Initial Catalog=TAXY_EMP;User ID=sa;Password=sqlserver");
     strCadena = this.con.ConnectionString;
 }

 /// <summary>
 /// Encrypts plaintext using AES 128bit key and a Chain Block Cipher and returns a base64 encoded string
 /// </summary>
 /// <param name="plainText">Plain text to encrypt</param>
 /// <param name="key">Secret key</param>
 /// <returns>Base64 encoded string</returns>
 public static String Encrypt(String plainText, string securityKey = "")
 {
     System.Configuration.AppSettingsReader settingsReader = new System.Configuration.AppSettingsReader();
     // Key web.config'den alınıyor
     string key = securityKey == "" ? (string)settingsReader.GetValue("SecurityKey", typeof(String)) : HttpUtility.UrlDecode(securityKey);
     var plainBytes = Encoding.UTF8.GetBytes(plainText);
     return Convert.ToBase64String(Encrypt(plainBytes, GetRijndaelManaged(key)));
 }

        // ////////////////////////////////////////////////////////////////////////
        // EVENTS
        //
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                // Security check
                if (!Convert.ToBoolean(Session["sgLFS_LABOUR_HOURS_FULL_EDITING"]))
                {
                    if (!Convert.ToBoolean(Session["sgLFS_LABOUR_HOURS_REPORTS"]))
                    {
                        Response.Redirect("./../../error_page.aspx?error=" + "You are not authorized to view this page. Contact your system administrator.");
                    }
                }

                // Initialize viewstate variables
                System.Configuration.AppSettingsReader appSettingReader = new System.Configuration.AppSettingsReader();
                ViewState["LHMode"] = appSettingReader.GetValue("LABOUR_HOURS_OPERATION_MODE", typeof(System.String)).ToString();

                // Tag page
                hdfCompanyId.Value = Convert.ToInt32(Session["companyID"]).ToString();

                // Databind
                ddlClient.DataBind();
                ddlProject.DataBind();

                // Prepare initial data
                ddlProjectTimeState.SelectedValue = "(All)";
                ddlClient.SelectedIndex = 0;
                ddlProject.SelectedIndex = 0;
                tkrdpStartDate.SelectedDate = DateTime.Now;
                tkrdpEndDate.SelectedDate = DateTime.Now;

                ProjectTimeWorkList projectTimeWorkList = new ProjectTimeWorkList(new DataSet());
                projectTimeWorkList.LoadAndAddItem("(All)");
                ddlTypeOfWork.DataSource = projectTimeWorkList.Table;
                ddlTypeOfWork.DataValueField = "Work_";
                ddlTypeOfWork.DataTextField = "Work_";
                ddlTypeOfWork.DataBind();
                ddlTypeOfWork.SelectedIndex = 0;

                ProjectTimeWorkFunctionList projectTimeWorkFunctionList = new ProjectTimeWorkFunctionList(new DataSet());
                projectTimeWorkFunctionList.LoadAndAddItem("(All)", "-1");
                ddlFunction.DataSource = projectTimeWorkFunctionList.Table;
                ddlFunction.DataValueField = "Function_";
                ddlFunction.DataTextField = "Function_";
                ddlFunction.DataBind();
                ddlFunction.SelectedIndex = 0;

                // Register delegates
                this.RegisterDelegates();
            }
            else
            {
                // Register delegates
                this.RegisterDelegates();
            }
        }

 /// <summary>
 /// Required method for Designer support - do not modify
 /// the contents of this method with the code editor.
 /// </summary>
 private void InitializeComponent()
 {
     this.components = new System.ComponentModel.Container();
     System.Configuration.AppSettingsReader configurationAppSettings = new System.Configuration.AppSettingsReader();
     this.spellButton = new System.Windows.Forms.Button();
     this.demoRichText = new System.Windows.Forms.RichTextBox();
     this.spelling = new NetSpell.SpellChecker.Spelling(this.components);
     this.wordDictionary = new NetSpell.SpellChecker.Dictionary.WordDictionary(this.components);
     this.SuspendLayout();
     //
     // spellButton
     //
     this.spellButton.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
     this.spellButton.Location = new System.Drawing.Point(344, 368);
     this.spellButton.Name = "spellButton";
     this.spellButton.Size = new System.Drawing.Size(80, 23);
     this.spellButton.TabIndex = 3;
     this.spellButton.Text = "Spell Check";
     this.spellButton.Click += new System.EventHandler(this.spellButton_Click);
     //
     // demoRichText
     //
     this.demoRichText.AcceptsTab = true;
     this.demoRichText.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
         | System.Windows.Forms.AnchorStyles.Left)
         | System.Windows.Forms.AnchorStyles.Right)));
     this.demoRichText.AutoWordSelection = true;
     this.demoRichText.Location = new System.Drawing.Point(16, 16);
     this.demoRichText.Name = "demoRichText";
     this.demoRichText.ShowSelectionMargin = true;
     this.demoRichText.Size = new System.Drawing.Size(408, 344);
     this.demoRichText.TabIndex = 2;
     this.demoRichText.Text = "Becuase people are realy bad spelers, ths produc was desinged to prevent speling " +
         "erors in a text area like ths.";
     //
     // spelling
     //
     this.spelling.Dictionary = this.wordDictionary;
     this.spelling.ReplacedWord += new NetSpell.SpellChecker.Spelling.ReplacedWordEventHandler(this.spelling_ReplacedWord);
     this.spelling.EndOfText += new NetSpell.SpellChecker.Spelling.EndOfTextEventHandler(this.spelling_EndOfText);
     this.spelling.DeletedWord += new NetSpell.SpellChecker.Spelling.DeletedWordEventHandler(this.spelling_DeletedWord);
     //
     // wordDictionary
     //
     this.wordDictionary.DictionaryFolder = ((string)(configurationAppSettings.GetValue("wordDictionary.DictionaryFolder", typeof(string))));
     //
     // DemoForm
     //
     this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
     this.ClientSize = new System.Drawing.Size(440, 406);
     this.Controls.Add(this.spellButton);
     this.Controls.Add(this.demoRichText);
     this.Name = "DemoForm";
     this.Text = "NetSpell Demo";
     this.ResumeLayout(false);
 }

        public CCTerminal()
        {
            cc = new CardConsumer();

            System.Configuration.AppSettingsReader r = new System.Configuration.AppSettingsReader();
            string ip = (string)r.GetValue("CreditCardServiceIP", typeof(String));
            string port = (string)r.GetValue("CreditCardServicePort", typeof(String));

            cc.Bind(ip, port);
        }

        public ClientTests()
        {
#if PORTABLE
            var appSettings = new System.Configuration.AppSettingsReader();
            _storeLocation = appSettings.GetValue("BrightstarDB.StoreLocation", typeof (string)) as string;
#else
            var appSettings = System.Configuration.ConfigurationManager.AppSettings;
            _storeLocation = appSettings.Get("BrightstarDB.StoreLocation");
#endif
        }

 public static void Readfromfile()
 {
     System.Configuration.AppSettingsReader r = new System.Configuration.AppSettingsReader();
     string path = (string)r.GetValue("simulationsettings", typeof(String));
     var ser = new XmlSerializer(typeof(Sim));
     using (var ms = new StreamReader(path))
     {
         sim = (Sim)ser.Deserialize(ms);
         ms.Close();
     }
 }

        protected void Application_Start()
        {
            // Run();
            // OnStart();
            System.Configuration.AppSettingsReader appReader = new System.Configuration.AppSettingsReader();//配置文件中取
            var isji = appReader.GetValue("IsJi", typeof(bool));
            Config.IsJi = Convert.ToBoolean(isji);
            AreaRegistration.RegisterAllAreas();

            RegisterRoutes(RouteTable.Routes);
        }

        FMSAxml SetupFMSAxml()
        {
            var asr = new System.Configuration.AppSettingsReader();

            var fms = new FMSAxml(
                theServer: (string)asr.GetValue("TestServerName", typeof(string)),
                theAccount: (string)asr.GetValue("TestServerUser", typeof(string)),
                thePort: (int)asr.GetValue("TestServerPort", typeof(int)),
                thePW: (string)asr.GetValue("TestServerPass", typeof(string))
                );
            return fms;
        }

 public static string ReadString(string key)
 {
     try
     {
         System.Configuration.AppSettingsReader rd = new System.Configuration.AppSettingsReader();
         return rd.GetValue(key, typeof(String)).ToString();
     }
     catch
     {
         return string.Empty;
     }
 }