1protected void setTextBoxValueNUll()
2 {
3 HtmlForm from = (HtmlForm)this.FindControl("form1");
4 for (int i = 0; i < from.Controls.Count; i++)
5 {
6 if (from.Controls[i] is TextBox)
7 {
8 TextBox tb = from.Controls[i] as TextBox;
9 tb.Text = "";
10 }
11 }
12 }
2 {
3 HtmlForm from = (HtmlForm)this.FindControl("form1");
4 for (int i = 0; i < from.Controls.Count; i++)
5 {
6 if (from.Controls[i] is TextBox)
7 {
8 TextBox tb = from.Controls[i] as TextBox;
9 tb.Text = "";
10 }
11 }
12 }