/// <summary>
/// method to update an existing ski run
/// </summary>
/// <param name="skiRun">ski run object</param>
public async void UpdateSkiRun(SkiRun skiRun)
{
DeleteSkiRun(skiRun.ID);
InsertSkiRun(skiRun);
await SkiRunsDataServiceXml.SaveObjectToXml(_skiRuns, "SkiRuns.xml");
}
/// <summary>
/// method to return a ski run object given the ID
/// </summary>
/// <param name="ID">int ID</param>
/// <returns>ski run object</returns>
public SkiRun GetSkiRunByID(int ID)
{
SkiRun skiRun = null;
skiRun = _skiRuns[GetSkiRunByIndex(ID)];
return(skiRun);
}
/// <summary>
/// method to add a new ski run
/// </summary>
/// <param name="_skiRun"></param>
public async void InsertSkiRun(SkiRun skiRun)
{
_skiRuns.Add(skiRun);
await SkiRunsDataServiceXml.SaveObjectToXml(_skiRuns, "SkiRuns.xml");
}