SqlCommand sqlCommand = new SqlCommand("Select  * from
        POSbyahmar.dbo.Accounts where Name = '" + UserName.Text + "' ",
       sqlConnection);
        SqlDataReader dataReader;
        dataReader = sqlCommand.ExecuteReader();
        while(dataReader.Read())
        {
            string usernamefrmdatabase =
             dataReader["Name"].ToString();
            string passwordfromdatabase =
            dataReader["Password"].ToString();
            string uusernamefromuser = UserName.Text;
            string passwordfromuser = PasswordTextBox.Text;


            if (String.Equals(usernamefrmdatabase,
              uusernamefromuser))
            {

                    MessageBox.Show("reader  working");
                    MessageBox.Show(usernamefrmdatabase);
                    MessageBox.Show(passwordfromdatabase);



            }

            //MessageBox.Show(usernamefrmdatabase);
            // MessageBox.Show(passwordfromdatabase);



        }