How to create ASPX Page Dynamically - A Step Ahead Series?
In these days dynamic content creation and rendering pages dynamically is on demand. I will explain in this whole article how we can create dynamically pages in asp.net. Dynamically means fully handled with events and code-behind. So, lets try it
Introduction
In a simple creating an aspx page dynamically is a very tedious job. Whenever we think for dynamically creation scenarios stuck in mind about the overload to server etc. But with the help of this article one can attain the same as easily as creating another simple aspx page.Need and Requirement
Now next words came to mind that what is the need to create an aspx page dynamically? Let me explain it:Article Scenario
As stated above, I choose a scenario where you are running a technical community and need to the template where member of your site will able to write some static html contents.Explanation
For the same we need following pages:
1.PageHeader.ascx
This contains the header information of your page like LOGO etc.
<%@ Control Language="C#" AutoEventWireup="true" CodeFile="PageHeader.ascx.cs" Inherits="myTemplates_PageHeader" %>
<link href="../style.css" rel="stylesheet" type="text/css" />
<div>
<asp:PlaceHolder ID ="plhImage" runat="server" />
<ul class="menu">
<li><a href="./default.aspx">HOME</a></li>
<li><a href="./default.aspx">About US</a></li>
<li><a href="./default.aspx">Recent Posts</a></li>
<li><a href="./default.aspx">Site Map</a></li>
<li><a href="./default.aspx">Contact US</a></li>
<li><a href="./default.aspx">Tags</a></li>
<li><a href="./default.aspx">Meta</a></li>
<li><a href="./default.aspx">Most Emailed</a></li>
</ul>
</div>
2.PageFooter.ascx
Obvious it contains the Footer information.
<%@ Control Language="C#" AutoEventWireup="true" CodeFile="PageFooter.ascx.cs" Inherits="myTemplates_PageFooter" %>
<link href="../style.css" rel="stylesheet" type="text/css" />
<div id="footer">
<div>
<a href="http://www.webdesign.org">Web Design</a> by <a href="http://www.freetemplatesonline.com">Free Templates</a> Online<br />
<a href="#">Terms of Use</a> / <a href="#">Privacy Policy</a>
</div>
<div class="centeral-block">
<strong>New-York, USA</strong>
11 Some Street Second Floor<br /> New York WA 02020
</div>
<div>
Tel/Fax : 1(800)123-4567<br />
1(800)123-1234<br />
E-mail : <a href="#" id="mail">info@yourcompany.com</a>
</div>
</div>
3.createPage.ascx
Definitely this is the main page, it just create a skeleton as per the above requirement and then segregate the contents and make the title.
<%@ Control Language="C#" AutoEventWireup="true" CodeFile="createPage.ascx.cs" Inherits="myTemplates_createPage" %>
<div>
<table>
<tr>
<td style="width: 100px">
Page Title
</td>
<td style="width: 100px">
<asp:TextBox ID="txtTitle" runat="server"></asp:TextBox>
</td>
</tr>
<tr>
<td style="width: 100px">
Tags
</td>
<td style="width: 100px">
<asp:TextBox ID="txtTags" runat="server"></asp:TextBox>
</td>
</tr>
<tr>
<td style="width: 100px">
Description
</td>
<td style="width: 100px">
<asp:TextBox ID="txtContent" runat="server" Height="292px" TextMode="MultiLine" Width="510px"></asp:TextBox>
</td>
</tr>
<tr>
<td style="width: 100px">
</td>
<td style="width: 100%">
<ul>
<li><font color="red">You may use basic html tags like <H1> <H2> <B>
<I> <FONT> etc. </font></li>
<li><font color="red">Tags like <BODY> <HEAD> <TABLE> are NOT allowed.</font></li>
<li><font color="red">Please check spelling before posting articles.</font></li>
</ul>
</td>
</tr>
<tr>
<td style="width: 100px">
</td>
<td style="width: 100px">
<asp:Label ID="lblMessage" runat="server"></asp:Label>
</td>
</tr>
<tr>
<td style="width: 100px">
</td>
<td style="width: 100%">
<asp:LinkButton ID="lnkNewPage" OnClick="lnkNewPage_Click" runat="server"></asp:LinkButton>
</td>
</tr>
<tr>
<td style="width: 100px">
</td>
<td style="width: 100px">
<asp:Button ID="btnGenerate" runat="server" OnClick="btnGenerate_Click" Text="Generate" />
</td>
</tr>
</table>
</div>
4.Default.aspx
This is the page or container which contains above all 3-controls.
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" ValidateRequest="false" %>
<%@ Register TagPrefix="myPage" TagName="aspxPage" Src="~/myTemplates/createPage.ascx" %>
<%@ Register TagPrefix="myPageHeader" TagName="PgHeader" Src="~/myTemplates/PageHeader.ascx" %>
<%@ Register TagPrefix="myPageFooter" TagName="PgFooter" Src="~/myTemplates/PageFooter.ascx" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<link href="style.css" rel="stylesheet" type="text/css" />
</head>
<body>
<form id="form1" runat="server">
<div>
<table width="100%">
<tr>
<td colspan="2">
<myPageHeader:PgHeader ID="PgHeader1" runat="server" />
</td>
</tr>
<tr>
<td>
<h2>
Create Dynamic Page(S)</h2>
</td>
</tr>
<tr>
<td colspan="2">
<myPage:aspxPage ID="asxPage1" runat="server" />
</td>
</tr>
<tr>
<td colspan="2">
<myPageFooter:PgFooter ID="PgFooter1" runat="server" />
</td>
</tr>
</table>
</div>
</form>
</body>
</html>
5.myPageTemplate.tmp
This is the template page for all pages
<%@ Page Language="C#" CodeFileBaseClass="PageBase" AutoEventWireup="true" CodeFile ="myPageCode.cs"
Inherits= "myPageCode" PageID="[ID]" MetaTitle="[MetaTitle]" MetaKeywords="[MetaKeywords]" %>
<%@ Register TagPrefix="myPageHeader" TagName="PgHeader" Src="~/myTemplates/PageHeader.ascx" %>
<%@ Register TagPrefix="myPageFooter" TagName="PgFooter" Src="~/myTemplates/PageFooter.ascx" %>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<link href="style.css" rel="stylesheet" type="text/css" />
</head>
<body>
<form id="form1" runat="server">
<div>
<table width="100%">
<tr>
<td colspan="2">
<myPageHeader:PgHeader ID="PgHeader1" runat="server" />
</td>
</tr>
<tr>
<td>
<h2>
<%=MetaTitle%></h2>
</td>
</tr>
<tr class=content>
<td colspan="2">
[PageContent]
</td>
</tr>
<tr>
<td colspan="2">
<myPageFooter:PgFooter ID="PgFooter1" runat="server" />
</td>
</tr>
</table>
</div>
</form>
</body>
</html>
6.myPageCode.cs
A common code-behind page for all dynamic pages
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class myPageCode : PageBase
{
public String newPageID
{
get
{
if (ViewState["newPageID"] != null)
return Convert.ToString(ViewState["newPageID"]);
else
return "0";
}
set
{
ViewState["newPageID"] = value;
}
}
protected void Page_Load(object sender, EventArgs e)
{
base.PageID = this.newPageID;
}
}
7.PageBase.cs
A pagebase which inherits System.Web.UI.Page.
using System;
using System.Collections.Generic;
using System.Web;
using System.Data;
using System.Configuration;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
///
/// Summary description for PageBase
///
public class PageBase : System.Web.UI.Page
{
public PageBase()
{
//
// TODO: Add constructor logic here
//
}
#region Properties
public String PageID
{
get
{
if (ViewState["PageID"] != null)
return Convert.ToString(ViewState["PageID"]);
else
return "0";
}
set
{
ViewState["PageID"] = value;
}
}
public String MetaTitle
{
get
{
if (ViewState["MetaTitle"] != null)
return Convert.ToString(ViewState["MetaTitle"]);
else
return "No Title";
}
set
{
ViewState["MetaTitle"] = value;
}
}
public String MetaKeywords
{
get
{
if (ViewState["MetaKeywords"] != null)
return Convert.ToString(ViewState["MetaKeywords"]);
else
return "No Keywords";
}
set
{
ViewState["MetaKeywords"] = value;
}
}
#endregion
protected override void OnLoad(EventArgs e)
{
if (!String.IsNullOrEmpty(MetaTitle))
{
HtmlMeta Title = new HtmlMeta();
Title.Name = "Title";
Title.Content = this.MetaTitle;
this.Header.Controls.Add(Title);
}
if (!String.IsNullOrEmpty(MetaKeywords))
{
HtmlMeta Keyword = new HtmlMeta();
Keyword.Name = "Keywords";
Keyword.Content = this.MetaKeywords;
this.Header.Controls.Add(Keyword);
}
//overide base
base.OnLoad(e);
}
void Page_Error(object sender, EventArgs e)
{
//Write Some logic here
}
}Important
How to run attached code:
1.Download the zip file
2.Open your Visual Studio2008
3.Open WebProject select the specific folder
4.Press F5 and enjoy
Your suggestions are invited to improve this.
Attachments
Follow
HI,
I download the Zip file,and I Executed,but i got error
The virtual path '/myPages/myDefaultPage.ascx' maps to another application, which is not allowed.
what i need to do for successfylly run
i hope u will back with solution