The Web page dynamically loads the UserControl and invokes a method in the user control to initialize the control

1,html page

Head registration:

<%@ Register SRC="~/worklog/worklognewv1/usercontrol/ceshibu.ascx"TagPrefix="UserControl"TagName="Ceshibu"%><%@ Register SRC="~/worklog/worklognewv1/usercontrol/kaifabu.ascx"TagPrefix="UserControl"TagName="Kaifabu"%>

Control Placement:

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

2,c# Backstage

 /// <summary>    ///determine which features in a user control are displayed based on items and classifications/// </summary>    /// <param name= "STRFL" ></param>    /// <param name= "STRSX" ></param>    Private voidSetusercontrolvisible (stringSTRFL,stringSTRSX) {        if(viewstate["Rzdeptname"]. ToString () = ="Development Department")        {
User Control path UserControl kaifabucontrol= (UserControl) Page.LoadControl ("Usercontrol/kaifabu.ascx"); Type TC=Kaifabucontrol.gettype ();
The initialization method to invoke in the user control System.Reflection.MethodInfo m= TC. GetMethod ("OnStart");
Calling the parameters to be passed by the initialization methodObject[] Bjparas =New Object[1]; bjparas[0] =STRSX;            M.invoke (Kaifabucontrol, Bjparas); Controlspan.            Controls.clear (); Controlspan.        Controls.Add (Kaifabucontrol); }        if(viewstate["Rzdeptname"]. ToString () = ="Testing Department") {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); }    }

Dynamically changing STRFL,STRSX on a page can dynamically load different user controls or load different elements in a user control.