조선일보 사절 It's better to burn out than to fade away

<script runat="server">
  protected void btnPopUp_Click(object sender, EventArgs e)
  {
    //Build a Pop Up JavaScript
    //please note the peculiar '/script' in the last line of the script string
    //This is to work around the problem that compiler would mistake the 
    //closing script tag as the outer script closing tag.
    //For details, please see
    //http://support.microsoft.com/default.aspx?scid=kb;EN-US;827420

    System.Text.StringBuilder sb = new System.Text.StringBuilder();
    sb.Append("<script language='javascript'>");
    sb.Append("window.open('javascript.htm', 'CustomPopUp',");
    sb.Append("'width=200, height=200, menubar=yes, resizable=no');<");
    sb.Append("/script>");

    //register with ClientScript
    //The RegisterStartupScript method is also slightly different
    //from ASP.NET 1.x
    Type t = this.GetType();
    if (!ClientScript.IsClientScriptBlockRegistered(t, "PopupScript"))
      ClientScript.RegisterClientScriptBlock(t,"PopupScript", sb.ToString());
  }
</script>

<form id="form2" runat="server">
  <asp:Button ID="btnPopUp" runat="server" 
    Text="PopUp" OnClick="btnPopUp_Click" />
</form>