日期:2014-05-17 浏览次数:21297 次
            foreach (Control c in Controls)
            {
                if (c is TextBox)
                {
                    c.Text =string.Empty;
                }
            }
------解决方案--------------------
 foreach (Control cl in this.Controls)
            {
                if (cl is ComboBox)
                {
                    ComboBox cb = cl as ComboBox;
                    cb.Items.Clear();//清除绑定项
                }
                else if (cl is TextBox)
                {
                    TextBox tb = cl as TextBox;
                    tb.Text = string.Empty;//清除所有TextBox
                }
                else
                {
                }
                    
            }
------解决方案--------------------
foreach (Control cl in this.Controls)
            {
                if (cl is ComboBox)
                {
                    ComboBox cb = cl as ComboBox;
                    cb.DataSource = null;
                    cb.Items.Clear();//清除绑定项
                }
                else if (cl is TextBox)
                {
                    TextBox tb = cl as TextBox;
                    tb.Text = string.Empty;//清除所有TextBox
                }
                else
                {
                }
            }
------解决方案--------------------