void ChangePassword_ButtonChange()
        {
            changepassword.labelMessege.Text = "";
            String error = "", curp = "", newp = "";
            bool   er = false;

            curp = changepassword.textBoxPass.Text;
            if (!user_password.Equals(curp))
            {
                error = "Incorrect Current Password\n";
                er    = true;
            }
            if (changepassword.textBoxNewPass.Text != changepassword.textBoxRePass.Text)
            {
                error = "New and Re-Entr New Passord Not Match\n";
                er    = true;
            }
            else
            {
                newp = changepassword.textBoxNewPass.Text;
            }
            if (er)
            {
                changepassword.labelMessege.Text = error;
            }
            else
            {
                try
                {
                    if (remoteObject.ChanegeUserPasswod(user_name, user_password, newp))
                    {
                        user_password = newp;
                        changepassword.labelMessege.Text   = "Password Changed Successfully";
                        changepassword.textBoxPass.Text    = "";
                        changepassword.textBoxNewPass.Text = "";
                        changepassword.textBoxRePass.Text  = "";
                    }
                    else
                    {
                        changepassword.labelMessege.Text = "Password Cannot Changed";
                    }
                }
                catch (Exception ex)
                {
                    MessageBox.Show("Form1.ChangePassword_ButtonChange()" + ex.Message);
                }
            }
        } // eof ChangePassword_ButtonChange()