Reverse Bubble Sort [Function Only w/out debug statements]

static void DoBubbleSort(int[]arraytosort) {
    int endingpoint = 1,
        temp;
    bool issorted;

    do {
        issorted = true;

        for(int i = arraytosort.Length - 1; i >= endingpoint; i--)
        {

            if (arraytosort[i - 1] > arraytosort[i])
            {
                //swap the numbers around
                temp = arraytosort[i - 1];
                arraytosort[i - 1] = arraytosort[i];
                arraytosort[i] = temp;

                issorted = false;
            }
        }

        endingpoint++;
    } while (!issorted);

}