publiclass="tags" href="/tags/C.html" title=c>c staticlass="tags" href="/tags/C.html" title=c>c class="tags" href="/tags/C.html" title=c>class ControlHelper
    {
        #region 同时禁用或者启用页面的某些控件
        /// <summary>
        /// 设置是否启用控件
        /// </summary>
        /// <param name="class="tags" href="/tags/C.html" title=c>control"></param>
        /// <param name="class="tags" href="/tags/C.html" title=c>controlName"></param>
        /// <param name="isEnable"></param>
        publiclass="tags" href="/tags/C.html" title=c>c staticlass="tags" href="/tags/C.html" title=c>c void SetControlsEnabled(Control class="tags" href="/tags/C.html" title=c>control, ControlNameEnum class="tags" href="/tags/C.html" title=c>controlName, bool isEnabled)
        {
            foreaclass="tags" href="/tags/C.html" title=c>ch (Control item in class="tags" href="/tags/C.html" title=c>control.Controls)
            {
                /* 我们仅仅考虑几种常用的class="tags" href="/tags/C.html" title=c>class="tags" href="/tags/ASP.NET.html" title=asp.net>asp.netclass="tags" href="/tags/FuWuQi.html" title=服务器>服务器控件和html控件 */
                //Panel
                if (item is Panel && (class="tags" href="/tags/C.html" title=c>controlName == ControlNameEnum.Panel || class="tags" href="/tags/C.html" title=c>controlName == ControlNameEnum.All))
                {
                    ((Panel)item).Enabled = isEnabled;
                }
                //TextBox,HtmlTextBox
                if (class="tags" href="/tags/C.html" title=c>controlName == ControlNameEnum.TextBox || class="tags" href="/tags/C.html" title=c>controlName == ControlNameEnum.All)
                {
                    if (item is TextBox)
                    {
                        ((TextBox)(item)).Enabled = isEnabled;
                    }
                    else if (item is HtmlInputText)
                    {
                        ((HtmlInputText)item).Disabled = isEnabled;
                    }
                    else if (item is HtmlTextArea)
                    {
                        ((HtmlTextArea)(item)).Disabled = isEnabled;
                    }
                }
                //Buttons
                if (item is Button && (class="tags" href="/tags/C.html" title=c>controlName == ControlNameEnum.Button || class="tags" href="/tags/C.html" title=c>controlName == ControlNameEnum.All))
                {
                    if (item is Button)
                    {
                        ((Button)(item)).Enabled = isEnabled;
                    }
                    else if (item is HtmlInputButton)
                    {
                        ((HtmlInputButton)(item)).Disabled = !isEnabled;
                    }
                    else if (item is ImageButton)
                    {
                        ((ImageButton)(item)).Enabled = isEnabled;
                    }
                    else if (item is LinkButton)
                    {
                        ((LinkButton)(item)).Enabled = isEnabled;
                    }
                }
                //Checlass="tags" href="/tags/C.html" title=c>ckBox
                if (class="tags" href="/tags/C.html" title=c>controlName == ControlNameEnum.Checlass="tags" href="/tags/C.html" title=c>ckBox || class="tags" href="/tags/C.html" title=c>controlName == ControlNameEnum.All)
                {
                    if (item is Checlass="tags" href="/tags/C.html" title=c>ckBox)
                    {
                        ((Checlass="tags" href="/tags/C.html" title=c>ckBox)(item)).Enabled = isEnabled;
                    }
                    else if (item is HtmlInputCheclass="tags" href="/tags/C.html" title=c>ckBox)
                    {
                        ((HtmlInputCheclass="tags" href="/tags/C.html" title=c>ckBox)(item)).Disabled = !isEnabled;
                    }
                }
                //List Controls
                if (class="tags" href="/tags/C.html" title=c>controlName == ControlNameEnum.ListControl || class="tags" href="/tags/C.html" title=c>controlName == ControlNameEnum.All)
                {
                    if (item is DropDownList)
                    {
                        ((DropDownList)(item)).Enabled = isEnabled;
                    }
                    else if (item is RadioButtonList)
                    {
                        ((RadioButtonList)(item)).Enabled = isEnabled;
                    }
                    else if (item is Checlass="tags" href="/tags/C.html" title=c>ckBoxList)
                    {
                        ((Checlass="tags" href="/tags/C.html" title=c>ckBoxList)(item)).Enabled = isEnabled;
                    }
                    else if (item is ListBox)
                    {
                        ((ListBox)(item)).Enabled = isEnabled;
                    }
                    else if (item is HtmlSeleclass="tags" href="/tags/C.html" title=c>ct)
                    {
                        ((HtmlSeleclass="tags" href="/tags/C.html" title=c>ct)(item)).Disabled = !isEnabled;
                    }
                }
                //如果项目还有子控件࿰class="tags" href="/tags/C.html" title=c>c;递归调用该函数
                if (item.Controls.Count > 0)
                {
                    SetControlsEnabled(item, class="tags" href="/tags/C.html" title=c>controlName, isEnabled);
                }
            }
        }
    }
    #endregion

ControlHelper.SetControlsEnabled(this.Page, ControlNameEnum.Panel, false); //Panel禁用
                    ControlHelper.SetControlsEnabled(this.Page, ControlNameEnum.TextBox, false); //TextBox禁用
                    ControlHelper.SetControlsEnabled(this.Page, ControlNameEnum.ListControl, false); //TextBox禁用
                    ControlHelper.SetControlsEnabled(this.Page, ControlNameEnum.All, false); //TextBox禁用

另一种
private void FindControls(ControlColleclass="tags" href="/tags/C.html" title=c>ction class="tags" href="/tags/C.html" title=c>cclass="tags" href="/tags/C.html" title=c>c)
    {
        foreaclass="tags" href="/tags/C.html" title=c>ch (Control class="tags" href="/tags/C.html" title=c>c in class="tags" href="/tags/C.html" title=c>cclass="tags" href="/tags/C.html" title=c>c)
        {
            if (class="tags" href="/tags/C.html" title=c>c.HasControls())
                FindControls(class="tags" href="/tags/C.html" title=c>c.Controls);
            else
            {
                if (class="tags" href="/tags/C.html" title=c>c is System.Web.UI.WebControls.TextBox)
                    (class="tags" href="/tags/C.html" title=c>c as System.Web.UI.WebControls.TextBox).Enabled = false;
                if (class="tags" href="/tags/C.html" title=c>c is DropDownList)
                    (class="tags" href="/tags/C.html" title=c>c as System.Web.UI.WebControls.DropDownList).Enabled = false;
                if (class="tags" href="/tags/C.html" title=c>c is System.Web.UI.WebControls.Label)
                    (class="tags" href="/tags/C.html" title=c>c as System.Web.UI.WebControls.Label).Enabled = false;
                if (class="tags" href="/tags/C.html" title=c>c is System.Web.UI.HtmlControls.HtmlForm)
                    (class="tags" href="/tags/C.html" title=c>c as System.Web.UI.HtmlControls.HtmlForm).Disabled = true;
                if (class="tags" href="/tags/C.html" title=c>c is System.Web.UI.HtmlControls.HtmlInputText)
                    (class="tags" href="/tags/C.html" title=c>c as System.Web.UI.HtmlControls.HtmlInputText).Disabled = true;
            }
        }
    }

FindControls(this.form1.Controls);