getting sum of text from all the dynamically generated control

Question

i have a windows form in which there are controls listed below panel1 button1 = add new mobiles button2 = ok When clicking on button1 an usercontrol is added. Y

Answer 1

double totalSumValue = 0;
foreach (Control ctrl in Controls)
{
    if (ctrl is UserControl)
    {
        var myCrl = ctrl as UserControl;
        totalSumValue  += Convert.ToInt32(myCrl.textbox3.Text);
    }
}
lblSumValue.text=totalSumValue.toString();