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Here we talk about the problem of calling layer-3 programming in class:
Start to use VS 2005 and habitually use the configurationsettings class to read applications.ProgramThe compiler prompts the following information:Warning 1 "system. configuration. configurationsettings. receivettings" is out of date: "This method is obsolete,It has been replaced by system. Configuration! System. configuration. configurationmanager. deleetmanager"
So I tried to
Here we talk about the problem of calling layer-3 programming in class:
Start to use VS 2005 and habitually use the configurationsettings class to read applications.ProgramThe compiler prompts the following information:Warning 1 "system. configuration. configurationsettings. receivettings" is out of date: "This method is obsolete,It has been replaced by system. Configuration! System. configuration. configurationmanager. deleetmanager"
So I tried to
When you do the serial communication, you need to use"ConfigurationManager"class, but after adding a "Using system.configuration" namespace, the compiler still complains, always showing that "ConfigurationManager" does not exist, but found"ConfigurationSettings"Can be used, but the notes on MSDN show the ConfigurationManager
Start to use VS 2005 and habitually use the configurationsettings class to read applications.
ProgramThe compiler prompts the following information:
Warning 1 "system. configuration. configurationsettings. receivettings" is out of date: "This method is obsolete, it has been replaced by system. Configuration! System. configuration. configurationmanager. deleetmanager"
So I tried to find the configurationmanage
Method prototype:
public static object GetSection(string sectionName);
Sectionname: Specifies the path and name of the configuration section.
Return result: the specified system. configuration. configurationsection object, or null if this section does not exist.
Note that the getsection method reads the configsections node, which is located on the web. in the config configuration file, it is special and must be placed on the first node. That is to say, there cannot be other types of nodes before
If the configurationmanager class cannot be found in the system. Configuration namespace, an error is returned when you run the program. In this case, you must add a reference to the project. The method is as follows:
Right-click references-> Add references-> assemblies framework-> check system. configuration-> OK
See.
Reprinted, please note: kangrui tribe? The config
. Net uses ConfigurationManager to obtain the connection string and. net to obtain the string length.
Add
You need to add the namespace using System. Configuration on the page;
In Solution Explorer, find the class file and select "Reference", right-click and select "add reference", and find System. Configuration from. net to reference it.
Then add
Conn. ConnectionSring =
When using a. NET profile with ConfigurationManager, you can add a configuration file for unit testing, although it can be tested but not decoupled. Using Iconfigurationmanager and Configurationmanagerwrapper to fit the ConfigurationManager is a better way to Configurationmanagerwrapper provides implementations of the. NET configuration file, and if you need to support additional configurations, create a di
Writing todayProgramSome examples are occasionally discovered.CodeWebconfigurationmanager is used to obtain the configuration information in Web. config. Because the configurationmanager has been used for a long time, so I simply went into detail and made a small summary.
Msdn description:
UseWebconfigurationmanagerYou can access computer and application information.
use webconfigurationmanager is the preferred method for processing config
The first time you write C #, the using System.Configuration is already used in the namespace, but it is not available with the Configuration, and the workaround is: In Solution Explorer, right-click on "References", "Add References" and " System.Configuration "to add in.Question: why the using System.Configuration; and then add system.configuration;Understanding: When you add the reference, the asking the DLL to is copied to the Bin folder on Compile
ASP. NET series: ConfigurationManager for unit testing,
When using the. NET configuration file through ConfigurationManager, you can add a configuration file to perform a unit test. Although you can pass the test, the decoupling is not achieved. It is better to use IConfigurationManager and ConfigurationManagerWrapper to adapt ConfigurationManager. ConfigurationM
C # Use the configurationmanager class to operate the configuration file
If flexible operations and read/write configuration files are required in. net1.1, a configuration file management class is encapsulated in the project for read/write operations. In. net2.0, The configurationmanager and webconfigurationmanager classes can be used to manage configuration files. The
Original linkToday, in writing the program accidentally found that some of the sample code is used WebConfigurationManager to get configuration information in Web. config, because it was always used configurationmanager, so simply dig a bit, and make a small summary.Description of MSDN:Use WebConfigurationManager to access computer and application information.Using WebConfigurationManager is the preferred way to handle configuration files related to W
The VisualStudio configuration file is very good and powerful, it is very convenient to save the database connection string or the key value pair, only need to pass through the ConfigurationManager connectionstrings or the AppSettings property to be able to use at any time. But ConfigurationManager opens the project's default profile, and I sometimes have this requirement: engineering A has some way of refe
Configuration. ConfigurationManager is a new class of. Net2.0. In winform, you must add a reference to System. Configuration. dll to call it.
Configuration data cannot be read in real time during winform configuration files. Because of the habits of web programs, after the configuration file is changed in the web program, the application will automatically restart once, so the configuration will automatically take effect. However, the winform program
To use configurationmanager. connectionstrings in a Class Library:I have never figured out how to find configurationmanager. connectionstrings in the class library.
The system. Configuration reference is not added:
Introduce namespace:CopyCodeThe Code is as follows:Using system. configuration;
You can use:Copy the Code as follows:Public static string connectionstring =
Recently, the WINCE program is about to be tested. many items on the client must be moved to the configuration file, so we thought about inertial thinking.System. Configuration. ConfigurationManager class.As always, we add an XML file and rename itAPP. CONFIG,Modify the content
After saving it, it is easy to call it locally.
var filePath = ConfigurationManager.AppSettings["DeviceSvcAddress"];
After that, I was dumpfounded and found that CompactFram
If flexible operations and read/write operations are required in. net1.1
Configuration File It is not very convenient. Generally,
Configuration File Management class. In. net2.0, The configurationmanager and webconfigurationmanager classes can be well managed.
Configuration File The configurationmanager class is in system. configuration, and webconfigurationmanager is in system. Web. configuration. Accor
The winform program configuration file is read into the cache after the winform program is started. to modify the configuration file through the program, you must restart the winform program to read the updated configuration file.Add reference system. after configuration, you can use configurationmanager. refreshsection ("etettings") method to refresh the appsettings node. After refreshing, you do not need to restart the winform program. You can read
The ConfigurationManager used in the previous. NET Framework is still handy, but the SDK does not already exist in. NET CORE 2.0 by default. ConfigurationManager.So if you want to use ConfigurationManager as beforemethod to install System.Configuration.ConfigurationManager on NugutThen add the app. Config file to your projectBy the way: Why is app. config? instead of Web. config, because. NET core programs
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