/// <summary>
/// Updates a users score
/// </summary>
/// <param name="username">the name of the user</param>
/// <param name="currentScore">the current score for the user</param>
/// <param name="pointValue">the value of the question to add to the current score</param>
/// <returns></returns>
public string UpdateScore(string username, string currentScore, int pointValue)
{
int score = Convert.ToInt32(currentScore);
score += pointValue;
return(database.UpdateScore(username, score.ToString()));
}
