学步园

C#遍历所有的Textbox控件并赋值为String.Empty

foreach (Control ctl in this.form1.Controls))-----B/S时候

//foreach (Control ctl in this.Controls)//-----C/S时候
{
    if (ctl is TextBox)
    {
        TextBox t = (TextBox)ctl;
        t.Text = string.Empty;
    }
}