private void btnConfirm_Click(object sender, EventArgs e)
 {
     try
     {
         sqlCreate.Update_Pwd(1, tbxAdminPwd.Text, StaticClass.DataBaseName);
         sqlCreate.Update_Pwd(2, tbxUserPwd.Text, StaticClass.DataBaseName);
         MessageBox.Show("修改成功!");
         GetPwd();
     }
     catch (Exception ex)
     {
         MessageBox.Show(ex.Message);
     }
 }