how loop through multiple checkbox in C#

Question

I have 100 checkbox in a winfrom. Their name is sequential like checkbox1,checkbox2 etc. I have a submit button in my winform. After clicking the submitting button, it check

Answer 1

    foreach (Control childc in Page.Controls)
    {

            if (childc is CheckBox)
            {
                CheckBox chk = (CheckBox)childc;
                //do your operation

            }

    }