web页面动态加载UserControl，并调用用户控件中的方法来初始化控件

<%@ Register Src="~/WorkLog/WorkLogNewV1/UserControl/CeShiBu.ascx" TagPrefix="UserControl" TagName="CeShiBu"%>
<%@ Register Src="~/WorkLog/WorkLogNewV1/UserControl/KaiFaBu.ascx" TagPrefix="UserControl" TagName="KaiFaBu"%>

 <div id="controlspan" runat=server>
     </div>

 /// <summary>
    /// 根据事项和分类决定显示用户控件中哪些要素
    /// </summary>
    /// <param name="strFL"></param>
    /// <param name="strSX"></param>
    private void setUserControlVisible(string strFL,string strSX)
    {
        if (ViewState["rzDeptName"].ToString() == "开发部")
        {
            //用户控件路径
            UserControl KaiFaBuControl = (UserControl)Page.LoadControl("UserControl/KaiFaBu.ascx");
            Type tc = KaiFaBuControl.GetType();
            //用户控件中要调用的初始化方法
            System.Reflection.MethodInfo m = tc.GetMethod("OnStart");
            //调用初始化方法要传递的参数
            object[] bjParas = new object[1];
            bjParas[0] = strSX;
            m.Invoke(KaiFaBuControl, bjParas);

            controlspan.Controls.Clear();
            controlspan.Controls.Add(KaiFaBuControl);
        }
        if (ViewState["rzDeptName"].ToString() == "测试部")
        {
            UserControl KaiFaBuControl = (UserControl)Page.LoadControl("UserControl/CeShiBu.ascx");
            Type tc = KaiFaBuControl.GetType();
            System.Reflection.MethodInfo m = tc.GetMethod("OnStart");
            object[] bjParas = new object[1];
            bjParas[0] = strSX;
            m.Invoke(KaiFaBuControl, bjParas);

            controlspan.Controls.Clear();
            controlspan.Controls.Add(KaiFaBuControl);
        }
    }