private void Btn_AddAccount_Click(object sender, EventArgs e)
        {
            SignUp_form signUpForm = new SignUp_form();

            signUpForm.SignUpOK     += SignUpForm_SignUpOK;
            signUpForm.StartPosition = FormStartPosition.CenterScreen;
            signUpForm.ShowDialog();
            signUpForm.Dispose();
        }
 private void DataGridView1_DoubleClick(object sender, EventArgs e)
 {
     if (dataGridView1.CurrentRow.Index != -1)
     {
         SignUp_form form = new SignUp_form();
         form.StartPosition = FormStartPosition.CenterScreen;
         using (DatabaseController databaseController = new DatabaseController())
         {
             form.ShowUserInfo(databaseController.GetUser((dataGridView1.CurrentRow.Tag as UserInfo).UserName));
         }
         form.ShowDialog();
     }
 }