Static Class Problem multi project

I have two applications and 1 class for database process.

First Application is a Windows forms application like

public class Form1 :System.Windows.Forms.Form
{
  public Form1()
  {
  }
}

And my second application is a Windows control library application like

public class MyControl :System.Windows.Forms.UserControl
{
  public MyControl()
  {
  //
  //Some Code
  //
  }
}

and my class is static class like

public static class Deneme
{
  public static void Connect()
  {
  //
  //SomeCode
  //
  }

  public static void CreateTable(string SqlCommandP)
  {
  //
  //Some Code
  //
  }
}

I compile the control library application and get a .dll file. After that, I'm adding this file to Windows application project toolbox. I can use this control.

My problem is that:

I am using static class in a Windows application and control library application maybe I will make another control libary applicatio开发者_运维技巧n.

How can I use this static class from one project it have to be one in a project?

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If the static class Deneme is to be shared between the 2 applications, you should place that static object in it's own library which both the WinForm project and the control project will reference.

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Reference one project to the other? It seems like you're forgetting the Project Reference somewhere. Being more specific with the question might be helpful, though.