title: How to set the default file(starting point) in dot net core
body: <p>I am trying to explore the dot net core functionality to get better understanding on it, for the same i executed</p>
  
  <pre><code>dotnet new
  dotnet build
  dotnet run
  </code></pre>
  
  <p>command in command prompt window, it created a project for me and file with name <code>Project.cs</code> has been created and at last it showed <code>Hello World!</code> in the window.</p>
  
  <p>Now i added one more file in the same folder structure with different name <code>SampleDotNetCoreApp.cs</code>, i want to know how i can set <code>SampleDotNetCoreApp.cs</code> as the default starting point of the program execution when i will execute <code>dotnet run</code> command.</p>
  
  <p>In other words i want to know how i can change the starting execution point in dot net core when i have multiple cs file in the same folder.</p>