Source Code

for file /controls/popup.ascx

<%@ Control Language="C#" %>
<%
  // controls/popup.ascx
  // Implementation of the PopUp (Pseudo-)Control.
  // Copyright (c) by Matthias Hertel, http://www.mathertel.de
  // This work is licensed under a BSD style license. See http://www.mathertel.de/License.aspx
  // -----
  // This control renders nothing inside the page but registers the common include file
  // controls/jcl.js and controls/popup.js.
  // -----
  // 03.06.2006 created by Matthias Hertel
%>
<script runat="server">
  protected override void OnPreRender(EventArgs e) {
    base.OnPreRender(e);

    if (Page.Header == null)
      throw new Exception("The <head> element of this page is not marked with runat='server'.");

    // register the JavaScripts includes without need for a Form.
    if (!Page.ClientScript.IsClientScriptBlockRegistered(Page.GetType(), "CommonBehaviour")) {
      Page.ClientScript.RegisterClientScriptBlock(Page.GetType(), "CommonBehaviour", String.Empty);
      ((HtmlHead)Page.Header).Controls.Add(new LiteralControl("<script type='text/javascript' src='"
        + Page.ResolveUrl("~/controls/jcl.js")
        + "'><" + "/script>\n"));
    } // if

    if (!Page.ClientScript.IsClientScriptBlockRegistered(this.GetType(), "MyBehaviour")) {
      Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "MyBehaviour", String.Empty);
      ((HtmlHead)Page.Header).Controls.Add(new LiteralControl("<script type='text/javascript' src='"
        + Page.ResolveUrl("~/controls/popup.js")
        + "'><" + "/script>\n"));
    } // if

  } // OnPreRender
</script>
<%--no html code --%>
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