Use the configuration file in winforms

During developmentProgramSuch as the file path and database link.

Use the following method in winform:

1. Create a configuration file:

In Solution Explorer, right-click the project name and choose add> new item> application configuration file;

The default name is app. config.

2. Modify the app. Con File

  1:   
      XML   version  =" 1.0"   encoding   =" UTF-8 "? > 

  2:     Configuration  > 

  3:     appsettings  > 

  4:     Add   key   =" username "  value   =" sa " />  

  5:     Add   key   =" PWD "  value   =" Sasa " />  

  6:     Add   key   =" servername "  value   =" Kay-PC " />  

  7:     Add   key   =" dbname "  value   =" pubs " />  

  8:     appsettings  > 

9: </Configuration>
 

 

The key is the name and the value is the key value.

3. Use the configuration file

For testing, put a button on the form to bring up the value of the key corresponding to the value.

1: // Add a namespace
 

 
2: UsingSystem. configuration;
 

  3:  ...... 

  4:   private   void  button2_click ( Object  sender, eventargs e) 

5:{
 

 
6:// Input the key name in the receivettings.
 

7:MessageBox. Show (configurationsettings. receivettings ["Username"]. Tostring ());
 

 
8:}