call the main fuction

Question

Hi;
I want to call the Main function of class Program, and pass a sql string to the Main fuction,
from the function of btn1Search_Click of the class Form1, when i click a button on the main form.

i am writing a project for database, and all the data put into the dataGridView. and i want the window displays another data when i click a button.

Could anyone tell me how to do that, please.

///////////////////////////////
  static class Program

  {
  public static string sql; 
  /// <summary>
  /// The main entry point for the application.
  /// </summary>
  [STAThread]
  static void Main(string[] args)
  {
  if (args.Length < 1)
  sql = "select buyerName, id, category, productName, price, date, referenceNo from elena ";
  else
  sql = args[0];
 
  Application.EnableVisualStyles();
  Application.SetCompatibleTextRenderingDefault(false);
  Application.Run(new Form1(sql));
 
  }
  }
/////////////////////////////
  public partial class Form1 : Form
  {
  ........
  private void btn1Search_Click(object sender, EventArgs e)
  {

  }
  ...........

  }