//method too compare band names in list and sort them accordingly
public int CompareTo(object obj)
{
Band that = (Band)obj;
return(this.BandName.CompareTo(that.BandName));
}
public int CompareTo(object obj)
{
Band otherBand = obj as Band;
return(this.BandName.CompareTo(otherBand.BandName));
}