End Google Ads 201810 - BS.net 01 --> hey guys...i have a textbox which is in panel..i want to clean all textboxes' text property with a button click in my Form..to do that i created a method but it doesnt clean the text of the textbox which is in panel..the method is below

foreach (Control item in this.Controls)
{
if (item.GetType() == typeof(TextBox))
((TextBox)item).Text = null;
}
how i can reach the textbox inside the panel ?