Find String Length Without Using Lenth Function in C#

 protected void Page_Load(object sender, EventArgs e)
    {
        lbllngth.Text = myOwnGetStringLength("prasad").ToString();
    }

    public int myOwnGetStringLength(String str)
    {
        int count = 0;
        foreach (Char c in str)
            count++;
        return count;
    }

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Out put is :-----   6