exePath must be specified when not running inside a stand alone exe

 1 /// <summary>

 2         ///         

 3         /// </summary>

 4         /// <param name="key">key </param>

 5         /// <param name="value">value </param>

 6         /// <returns>      true，    false，   </returns>

 7         public static bool Write(string key, string value)

 8         {

 9             try

10             {

11                 Configuration config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);

12                 config.AppSettings.Settings[key].Value = value;

13 

14                 config.AppSettings.SectionInformation.ForceSave = true;

15                 config.Save(ConfigurationSaveMode.Modified);

16 

17 

18                 //debug               ，release   

19                 ConfigurationManager.RefreshSection("appSettings");

20 

21                 return true;

22             }

23             catch (Exception ex)

24             {

25                 return false;

26             }

27         }

/// <summary>

        ///   Web      

        /// </summary>

        /// <param name="key">key </param>

        /// <param name="value">value </param>

        /// <returns>      true，    false，   </returns>

        public static bool WriteWebConfig(string key, string value)

        {

            try

            {

                Configuration config = WebConfigurationManager.OpenWebConfiguration("~");

                config.AppSettings.Settings[key].Value = value;



                config.AppSettings.SectionInformation.ForceSave = true;

                config.Save(ConfigurationSaveMode.Modified);





                //debug               ，release   

                ConfigurationManager.RefreshSection("appSettings");



                return true;

            }

            catch (Exception ex)

            {

                return false;

            }

        }

WebConfigurationManager  System.Web.dll  ，        。