в 15:30, 26 мая 2010

2010-05-26T15:30:57Z

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2010-05-26T11:57:11Z

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== Get and set application settings==



<source lang="csharp">
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="Welcome_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>

<asp:Label id="lblSiteName" runat="server" Font-Bold="True" Font-Size="Large"></asp:Label>

<asp:Label id="lblWelcome" runat="server" Font-Names="Tahoma"></asp:Label>
</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 Welcome_aspx : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
Configuration config = WebConfigurationManager.OpenWebConfiguration(Request.ApplicationPath);

lblSiteName.Text = config.AppSettings.Settings["websiteName"].Value;
lblWelcome.Text = config.AppSettings.Settings["welcomeMessage"].Value;
if (config.AppSettings.Settings["welcomeMessage"].Value.Length > 15)
{
config.AppSettings.Settings["welcomeMessage"].Value = "Welcome, again.";
}
else
{
config.AppSettings.Settings["welcomeMessage"].Value = "Welcome, friend.";
}
config.Save();

}
}
File: Web.config
<?xml version="1.0"?>
<configuration xmlns="http://schemas.microsoft.ru/.NetConfiguration/v2.0">
<system.web>
<appSettings>
<add key="websiteName" value="My New Website" />
<add key="welcomeMessage" value="Welcome, again." />
</appSettings>

</configuration></source>

== Opening a Configuration File==



<source lang="csharp">
<%@ Page Language="C#" %>
<%@ Import Namespace="System.Web.Configuration" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
void Page_Load()
{
Configuration config = WebConfigurationManager.OpenMachineConfiguration();
AuthenticationSection section = (AuthenticationSection)config.GetSection ("system.web/authentication");
lblMode.Text = section.Mode.ToString();
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title>Show Config Machine</title>
</head>
<body>
<form id="form1" runat="server">
<div>
Authentication Mode Default Value:
<asp:Label
id="lblMode"
Runat="server" />
</div>
</form>
</body>
</html></source>

== Read configuration==



<source lang="csharp">
<%@ 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.ru/.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></source>

== Retrieving a configuration setting with the GetSection() and GetWebApplicationSection() methods.==



<source lang="csharp">
File: SubFolder\ShowConfigRelative.aspx
<%@ Page Language="C#" %>
<%@ Import Namespace="System.Web.Configuration" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
void Page_Load()
{ CompilationSection section = (CompilationSection)WebConfigurationManager.GetSection("system.web/compilation");
lblDebug1.Text = section.Debug.ToString();
section = (CompilationSection)WebConfigurationManager.GetWebApplicationSection("system.web/compilation");
lblDebug2.Text = section.Debug.ToString();
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title>Show Config Relative</title>
</head>
<body>
<form id="form1" runat="server">
<div>
GetSection Debug:
<asp:Label
id="lblDebug1"
Runat="server" />
<br /><br />
GetWebApplicationSection Debug:
<asp:Label
id="lblDebug2"
Runat="server" />
</div>
</form>
</body>
</html></source>

== Update Configuration==



<source lang="csharp">
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="UpdateConfig" %>
<!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>Update Configuration</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Button ID="Button1" runat="server" Text="Stop access to .XYZ Resources" OnClick="Button1_Click" /> 
<br />
<asp:Button ID="Button2" runat="server" Text="Re-enable access to .XYZ Resources" OnClick="Button2_Click" /> 
<br />
<asp:Button ID="Button3" runat="server" Text="Encrypt connectionStrings" OnClick="Button3_Click" /> 
<br />
<asp:Button ID="Button5" runat="server" Text="Read Connection String" OnClick="Button5_Click" /> 
<br />
<asp:Button ID="Button4" runat="server" Text="Decrypt connectionStrings" OnClick="Button4_Click" /> 
</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.UI;
using System.Web.UI.WebControls;
using System.Web.Configuration;

public partial class UpdateConfig : System.Web.UI.Page
{
protected void Button1_Click(object sender, EventArgs e)
{
string name = @"system.web/httpHandlers";
string path = "/";
Configuration appConfig = WebConfigurationManager.OpenWebConfiguration(path);
HttpHandlersSection section = (HttpHandlersSection)appConfig.GetSection(name);

HttpHandlerAction newHandler = new HttpHandlerAction(
"*.xyz", "System.Web.HttpForbiddenHandler", "*");
section.Handlers.Add(newHandler);
appConfig.Save();
}
protected void Button2_Click(object sender, EventArgs e)
{
string name = @"system.web/httpHandlers";
string path = "/";
Configuration appConfig = WebConfigurationManager.OpenWebConfiguration(path);
HttpHandlersSection section = (HttpHandlersSection)appConfig.GetSection(name);
section.Handlers.Remove("*", "*.xyz");
appConfig.Save();
}
protected void Button3_Click(object sender, EventArgs e)
{
string name = "connectionStrings";
string path = "/";
Configuration cfg = WebConfigurationManager.OpenWebConfiguration(path);
ConnectionStringsSection section;
section = (ConnectionStringsSection) cfg.GetSection(name);
section.SectionInformation.ProtectSection("RsaProtectedConfigurationProvider");
cfg.Save();
}
protected void Button4_Click(object sender, EventArgs e)
{
string name = "connectionStrings";
string path = "/";
Configuration cfg = WebConfigurationManager.OpenWebConfiguration(path);
ConnectionStringsSection section;
section = (ConnectionStringsSection)cfg.GetSection(name);
section.SectionInformation.UnprotectSection();
cfg.Save();
}
protected void Button5_Click(object sender, EventArgs e)
{
Response.Write(WebConfigurationManager.ConnectionStrings["LocalNWind"].ConnectionString);
}
}</source>

== Using the Configuration API==



<source lang="csharp">
<%@ Page Language="C#" %>
<%@ Import Namespace="System.Web.Configuration" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
void Page_Load()
{
CompilationSection section = (CompilationSection)WebConfigurationManager.GetWebApplicationSection("system.web/compilation");
lblDebug.Text = section.Debug.ToString();
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title>Show Config App</title>
</head>
<body>
<form id="form1" runat="server">
<div>
Debug Mode:
<asp:Label
id="lblDebug"
Runat="server" />
</div>
</form>
</body>
</html></source>

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ASP.NET Tutorial/Configuration/WebConfigurationManager - История изменений

в 15:30, 26 мая 2010

Admin: 1 версия