How does one traverse the control on a specified page under ASP. NET ?)

 

How to traverse all controls on a specified page under ASP. NET

　　

Preface: the purpose of writing it is to feel that this code will be helpful to some friends!

　　

# Region clears all controls on the specified page, public static void ClearAllContent ()

　　

/// <Summary>

　　

/// Clear all the controls on the specified page, including TextBox, CheckBox, CheckBoxList, RadioButton, and RadioButtonList. But not clear

　　

/// In addition to ListBox and DropDownList, such control values can be used for the current page. Generally, these controls contain stored Dictionary data.

　　

/// Author: Kevin

　　

/// Date: 2004-12-02

　　

/// </Summary>

　　

/// <Param name = "page"> specified page </param>

　　

Public static void ClearAllContent (System. Web. UI. Control page)

　　

{

　　

Int nPageControls = page. Controls. Count;

　　

For (int I = 0; I <nPageControls; I ++)

　　

{

　　

Foreach (System. Web. UI. Control control in page. Controls [I]. Controls)

　　

{

　　

If (control. HasControls ())

　　

{

　　

ClearAllText (control );

　　

}

　　

Else

　　

{

　　

If (control is TextBox)

　　

(Control as TextBox). Text = "";

　　

If (control is CheckBox)

　　

(Control as CheckBox). Checked = false;

　　

If (control is RadioButtonList)

　　

(Control as RadioButtonList). SelectedIndex =-1;

　　

If (control is RadioButton)

　　

(Control as RadioButton). Checked = false;

　　

If (control is CheckBoxList)

　　

{

　　

Foreach (ListItem item in (control as CheckBoxList). Items)

　　

{

　　

Item. Selected = false;

　　

}

　　

}

　　

} // If... else

　　

} // Foreach

　　

} //

　　

}

　　

# Endregion