Today I will show you, four different ways to get the values from configuration section. Using the code Today I will show you, four different ways to get the values from configuration section.
But applications built with the. NET framework using Visual Studio can take advantage of built-in tools to simplify or speed up access and saving of runtime values.
Once common example is saving database connection string information in a configuration file so that it may be changed without need to recompile the application. Here are some simple examples in VB. C code uses a slightly different syntax the concepts are similar.
The following examples are using Visual Studio and VB. You also define a data type such as string, integer, date, even special types such as connection string. Only two possible scopes are available: Application — is read-only at runtime; you can edit a value and have the app use without recompiling.
If you need the application so save the value at runtime such as a user preference, then choose User as your scope, otherwise you would choose Application as the scope. Define Your Values in Visual Studio Go to your project properties, then click the settings tab on the left.
There you can define one or more values to be used by your application. For each value you will choose the data type, scope and a default value. These values will be saved in a file named app. NET code, you can access values defined above using syntax like this. FromName If the value is defined with a scope of User, then you can save the value back to an XML file for later retrieval.
Below, the code checks for a value in a textbox an then assigns the value to the Settings object which will be later saved.
The project level attribute mentioned above is typically already set in a new project. In VSgo back to your project properties and click the tab la bled Application. There you will see the checkbox that controls this setting see image. When this value is checked, any User scoped values you have set back to the Settings object will be automatically saved.
You might think these value are saved back to the app. For example, my file was created at the following location: If different users login and use your application, each user can maintain their own separate and unique values making them perfect for user specific preferences.
Another example of the path is this… C: Note that the Assembly Version is the last folder in the path. This means that when you change the assembly version of your application, your User scoped values will be saved in a completely new user.
This is actually clever and ensures that each version of your application does not clash or overwrite values from a previous version. So what happens to the values in the previous app. They are really just default values that your application can access at runtime if needed.
Any User scoped values will be read from the user.When we develop a console application or windows application, we may require putting the configuration settings in an schwenkreis.com file similar to schwenkreis.com in schwenkreis.com application. You can do this by following the below steps in Visual Studio.
Settings that are application-scoped are read-only, and can only be changed at design time or by altering schwenkreis.com file in between application sessions. Settings that are user-scoped, however, can be written at run time just as you would change any property value.
Oct 22, · Thanks! I ended up using DynamicObject to do this because I can’t figure out where to instantiate the PropertiesFile object. I wanted it to be a member of my Config class and have the class read/write the properties and manage them for the rest of the application.
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Aug 31, · Swipe in from the right edge of the screen, and then tap Settings.
(If you're using a mouse, point to the lower-right corner of the screen, move the mouse pointer up, and then click Settings.) Tap or click Change PC settings. In above example when you click the button, if this application do not has schwenkreis.com_SETTINGS permission, it will then popup the Can modify system settings panel to let user to change the permission to yes.
If the application has write settings permission, it will popup an alert dialog and show a message.