Clear all textboxes in form with one Function

public void EmptyFormControls(Control control)
{
    if (control is TextBox)
    {
        ((TextBox)control).Text = string.Empty;
    }

    for (int i = 0; i < control.Controls.Count; i++)
    {
       EmptyFormControls(control.Controls[i]);
    }
}

Form1 obj = new Form1();
EmptyFormControls(obj);

Ghalib Mirza wrote:

Yes now its works fine for both textboxes and Comboboxes Thanx Sir @Dinesh and Sir @Sergey Alexandrovich thnx for making me correct…

using System;
using System.Windows.Forms;

//...

static void ClearControls<CTRL>(Control parent, Action<CTRL> clearMethod) where CTRL: Control {
    foreach (Control child in parent.Controls) {
        CTRL targetChild = child as CTRL;
        if (targetChild != null)
            clearMethod(targetChild);
        ClearControls(child, clearMethod);
    } //loop
} //ClearControls

static void Test(Control parent) {
    ClearControls<TextBox>(parent, new Action<TextBox>((child) => {
        child.Text = string.Empty;
    }));
    ClearControls<ComboBox>(parent, new Action<ComboBox>((child) => {
        if (child.Items.Count > 0)
            child.SelectedIndex = 0;
    }));
} //test

//...

private Dictionary<Type, Action<object>> actions = new Dictionary<Type, Action<object>>
        {
            { typeof(TextBox), ctrl => ((TextBox)ctrl).Text = string.Empty },
            { typeof(ComboBox), ctrl => ((ComboBox)ctrl).SelectedIndex = -1 },
        };

//...

private void ClearChildControls(Control parent)
{
    foreach (Control child in parent.Controls)
    {
        var controlType = child.GetType();

        if (actions.ContainsKey(controlType))
        {
            actions[controlType](child);
        }

        ClearChildControls(child);
    }
}

//...