Retrive data from dynamically created control (radio button list) in asp.net

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C#

ASP.NET

Creating Quiz with 100 Question in single page. Successfully created radio button list DYNAMICALLY. But now problem is how to retrieve the Data stored in radio button list.

For reference code pasted to create radio button list dynamically

protected void Page_Load(object sender, EventArgs e)
   {
       //if (!Page.IsValid) return;

       int n = 100;

       // now, create n TextBoxes, adding them to the PlaceHolder TextBoxesHere
       for (int i = 0; i < n; i++)
       {
           RBLPlaceHolder.Controls.Add(new RadioButtonList());
       }

       // now, set the Text property of each TextBox
       IterateThroughChildren(this);
   }

   void IterateThroughChildren(Control parent)
   {
     foreach (Control c in parent.Controls)
     {
         if (c.GetType().ToString().Equals("System.Web.UI.WebControls.RadioButtonList") &&
             c.ID == null)
       {
         ((RadioButtonList)c).Items.Add("A");
         ((RadioButtonList)c).Items.Add("B");
         ((RadioButtonList)c).Items.Add("C");
         ((RadioButtonList)c).Items.Add("D");
         ((RadioButtonList)c).RepeatDirection = RepeatDirection.Horizontal;
         count++;
       }

       if (c.Controls.Count > 0)
       {
         IterateThroughChildren(c);
       }
     }
   }