Count the elements between 2 elements in an Array

public void DoCount()
{
    string k = ",";
    // Read the file lines into a string array.
    string[] readlines = File.ReadAllLines(fname);
    // Move into List for handling easier
    List<string> read = new List<string>();
    read.AddRange(readlines);
    // Insert one semicolon into the first index
    read.Insert(0, k);
    // For counting
    int count = 0;
    // An other List to add the number of count
    List<int> result = new List<int>();
    // Loop and count
    for (int i = 0; i < read.Count; i++)
    {
        // If the element is not a semicolon, count it
        if (read[i].ToString() != k)
        {
            count++;
        }
        // If it is, get the number of count
        else
        {
            result.Add(count);
            // Reset count
            count = 0;
        }
    }
}

int[] items = new int[] { 1, 2, 3, 2, 7, 4, 2, 8, 9, 1, 2, 10, 11, 3, 4, 10 };
int k = 10, l = 2;
int first =k, second = l;
List<int> between = new List<int>();
for (int i = 0; i < items.Length; i++)
{
    if(items[i] == k)
    {
        first = k;
        second = l;
    }
    if (items[i] == l)
    {
        first = l;
        second = k;
    }
    if (items[i] == first)
        if (i - 1 < items.Length)
            for (int j = i + 1; j < items.Length; j++)
            {
                if (items[j] == second)
                {
                    between.Add(j - i -1);
                }
            }
}

int[] number = new int[]{1,2,3,4,5};
int searchPoint1=1;
int searchPoint2=5;
Console.WriteLine(FindCount(number,searchPoint1,swarchPoint2);

int FoundCount(number,searchPoint1,searchPoint2)
{
bool point1Found=false;
bool point2Found=false;
int count=0;
for(i=0;i<number.length;i++)>
{
if(number[i]==searchPoint1 && point2Found)
{
return count
}
else if(number[i]==searchPoint2 && point1Found)
{
return count;
}
if(point1Count||point2Count)
{
count++;
}
if(number[i]==searchPoint1)
{
point1Found=true;
}
if(number[i]==searchPoint2)
{
point2Found=true;
}
}