循環頁面上所有控件

聲明一個Form即表單　

protected HtmlControls.HtmlForm myForm;

上面有這麼控件

protected TextBox tb;

protected Button bt;

循環獲取

foreach(Control c in myForm.Controls)

{

if(c.GetType() == typeof(TextBox))

TextBox t = c as TextBox;

接着就可以進行操作

c.Text = "．．．．．．．．";

}