Read configuration : WebConfigurationManager « Configuration « ASP.NET Tutorial






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  3. WebConfigurationManager
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="ReadWriteConfiguration_aspx" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    
    </div>
    </form>
</body>
</html>

File: Default.aspx.cs

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;
using System.Web.Configuration;

public partial class ReadWriteConfiguration_aspx : System.Web.UI.Page
{   
    protected void Page_Load(object sender, EventArgs e)
    {
    foreach (ConnectionStringSettings connection in
      WebConfigurationManager.ConnectionStrings)
    {
      Response.Write("Name: " + connection.Name + "<br />");
      Response.Write("Connection String: " +
        connection.ConnectionString + "<br /><br />");
    }

    Configuration config = WebConfigurationManager.OpenWebConfiguration(Request.ApplicationPath);

    CompilationSection compSection = (CompilationSection)config.GetSection(@"system.web/compilation");
    foreach (AssemblyInfo assm in compSection.Assemblies)
    {
      Response.Write(assm.Assembly + "<br /");
    }    
    }
}


File: Web.config

<?xml version="1.0"?>
<configuration xmlns="http://schemas.microsoft.com/.NetConfiguration/v2.0">
  <system.web>



    <compilation debug="true">
      <assemblies>
        <add assembly="System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
      </assemblies>
    </compilation>
    <authentication mode="Windows"/>
  </system.web>



</configuration>








16.32.WebConfigurationManager
16.32.1.Using the Configuration API
16.32.2.Get and set application settings
16.32.3.Read configuration
16.32.4.Retrieving a configuration setting with the GetSection() and GetWebApplicationSection() methods.
16.32.5.Opening a Configuration File
16.32.6.Update Configuration