public string Tijd(TimeSpan timeSpan)
{
StringBuilder sb = new StringBuilder();
//hours
int totalHours = 0;
if (timeSpan.Days != 0)
{
totalHours += timeSpan.Days * 24;
}
totalHours += timeSpan.Hours;
sb.Append(totalHours);
//:
sb.Append(":");
//minutes
if (timeSpan.Minutes < 10 && timeSpan.Minutes > -10)
sb.Append("0");
if (timeSpan.Minutes < 0)
{
sb.Append(timeSpan.Minutes * -1);
}else
{
sb.Append(timeSpan.Minutes);
}
return sb.ToString();
}