// Open Project form.
        // To Create.
        private void Button2_Click(object sender, EventArgs e)
        {
            foreach (Form f in Application.OpenForms)
            {
                if (f is F200_Project)
                {
                    f.Focus();
                    return;
                }
            }
            F200_Project f200 = new F200_Project();

            f200.ProjectRefresh += RefreshRequest;
            f200.Show();
        }
 // To Edit.
 private void UpdateProjectButton_Click(object sender, EventArgs e)
 {
     foreach (Form f in Application.OpenForms)
     {
         if (f is F200_Project)
         {
             f.Focus();
             return;
         }
     }
     if (mainData.CurrentRow != null)
     {
         F200_Project f200 = new F200_Project(this.ProjectID);
         f200.ProjectRefresh += RefreshRequest;
         f200.Show();
     }
     else
     {
         MessageBox.Show(RowSelectMessage);
     }
 }