Visual Studio warning configuration element is not declared
Visual Studio warning configuration element is not declared Visual Studio warning Error When you open your Visual Basic Project, and navigate to App.config file for editing, you notice that <configuration> is underlined with blue line. When the cursor hovers, you see this message ( The 'configuration' element is not declared ). configuration element is not declared Solution Open your VB.Net Project. From XML menu, choose Schemas.. App.Config - configuration element solution From XML Schemas, look for DotNetConfig.xsd From Dropdown Use, choose Use this schema Click OK. vb.net - app.Config - configuration solution Create your own App.config file, Set Value, Get Value You need to add reference to Configuration.dll in your project. Create Class MyConfigs.vb