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

Source: Internet
Author: User
Asp.net| Traversal | controls | How the page traverses all controls on the specified page under ASP.net

Preface: The purpose of writing it down is to feel that this code will help some friends!

#region empty all control contents on the specified page, public static void Clearallcontent ()
<summary>
Clears all control contents on the specified page, including textbox,checkbox,checkboxlist,radiobutton,radiobuttonlist. But not clear.
In addition to listbox,dropdownlist, because such a control value is still available for the current page, these controls are typically saved in 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
}//for
}
#endregion


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