How to clear control that has children?

hi there!

I want to clear control in child control. I use twice foreach loop, but the scond loop doesn't support with error like.

Error 1 foreach statement cannot operate on variables of type 'System.Windows.Forms.Control' because 'System.Windows.Forms.Control' does not contain a public definition for 'GetEnumerator'

F:\Programs\C#\AUTOSERVICE\AUTOSERVICE\Home.cs 141 25 AUTOSERVICE

I tried the code:

foreach (Control control in pnHome.Controls)

{

if (control is UserControl) // This control shown into a panel I give you code bellow. (This control is pnHome bellow)

{

if (control.HasChildren)

{

foreach (Control c in control) // this statement error as above

{

//I want to clear all control under myControl (See code bellow). (TextBox, CheckBox, Label, .. .etc )

}

Code to show UserControl to a Panel

myControl u = new myControl();

u.Dock = DockStyle.Fill;

pnHome.Controls.Clear();

pnHome.Controls.Add(u);

I don't know why?

Please, share help me to clear the control.

Thank you very much.

1 Reply

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Rajanikant Hawaldar6y ago
Accepted answer
A recursive function may be required such as: public void ClearControl(Control control) { TextBox tb = control as TextBox; if (tb != null) { tb.Text = String.Empty; } // repeat for combobox, listbox, checkbox and any other controls you want to clear if (control.HasChildren) { foreach(Control child in control.Controls) { ClearControl(child) } } }
+1