Download Image in Asp.Net

Download Image in Asp.Net

Download Image in Asp.Net
=======================

string ImageFile = Server.MapPath("Hello.jpg");
System.Drawing.Image objImage = System.Drawing.Bitmap.FromFile(ImageFile);
Response.Clear();
Response.ClearContent();
Response.ContentType = "images/jpeg";
Response.AddHeader("Content-Disposition", "attachment; filename=Image.jpg;");

MemoryStream objMem = new MemoryStream();
objImage.Save(objMem, ImageFormat.Jpeg);
objMem.WriteTo(Response.OutputStream);
//objImage.Save(Response.OutputStream, ImageFormat.Jpeg);
Response.End();

That's It !!
Hope you will like it.

User Handler for Page Extension in Asp.Net

User Handler for Page Extension in Asp.Net

User Handler for Page Extension in Asp.Net
====================================

In some cases you need to display you website pages (.aspx) to another extension like (.cgi)

In that case, you need to use inbuilt handler of Asp.net

You can do it by this way :

Setup your web.config file
----------------------------------

Don't forget to add section those are marked in "bold" in below code.

<?xml version="1.0"?>
<!--
Note: As an alternative to hand editing this file you can use the
web admin tool to configure settings for your application. Use
the Website->Asp.Net Configuration option in Visual Studio.
A full list of settings and comments can be found in
machine.config.comments usually located in
\Windows\Microsoft.Net\Framework\v2.x\Config
-->
<configuration>
<configSections>
<section name="dataConfiguration" type="Microsoft.Practices.EnterpriseLibrary.Data.Configuration.DatabaseSettings, Microsoft.Practices.EnterpriseLibrary.Data"/>
</configSections>
<appSettings>
<add key="PageSize" value="5" />
<add key="PageSize2" value="25"/>
<add key="MailFrom" value="admin@site.com"/>
<add key="SmtpServer" value="mail.netaxle.com"/>
<add key="SmtpServerUserName" value="smtp@servercom" />
<add key="SmtpServerPassword" value="buster43" />
<add key="FCKeditor:BasePath" value="~/FCKeditor/" />
<add key="DictionaryFolder" value="/SpellCheck/dic" />
</appSettings>
<connectionStrings>
<add name="ProjectNameDB" providerName="System.Data.SqlClient" connectionString="server=(local);database=DBName;UID=sa;PWD=pwd;"/>
</connectionStrings>
<dataConfiguration defaultDatabase="ProjectNameDB"/>
<system.web>
<sessionState timeout="30"></sessionState>

<!--
Set compilation debug="true" to insert debugging
symbols into the compiled page. Because this
affects performance, set this value to true only
during development.
-->
<compilation debug="true" strict="false" explicit="true">
<assemblies>
<add assembly="System.Management, Version=2.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A" />
<add assembly="System.Configuration.Install, Version=2.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A" />
<add assembly="System.Data.OracleClient, Version=2.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" />
<add assembly="System.Transactions, Version=2.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" />
<add assembly="System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
</assemblies>
<buildProviders>
<add extension=".cgi" type="System.Web.Compilation.PageBuildProvider" />
</buildProviders>
</compilation>
<!--
The <authentication> section enables configuration
of the security authentication mode used by
ASP.NET to identify an incoming user.
-->
<pages enableEventValidation="false" validateRequest="false"></pages>
<authentication mode="Forms">
<forms loginUrl="admin/Login.cgi" timeout="240" name="ProjectName" defaultUrl="add/UserList.cgi"></forms>
</authentication>
<!--
The <customErrors> section enables configuration
of what to do if/when an unhandled error occurs
during the execution of a request. Specifically,
it enables developers to configure html error pages
to be displayed in place of a error stack trace.
-->
<!-- <customErrors defaultRedirect="errorpage.cgi" mode="On" >

</customErrors> -->
<customErrors mode="Off"/>


<httpHandlers>
<add path="*.cgi" verb="*" type="System.Web.UI.PageHandlerFactory" validate="true" />
</httpHandlers>
</system.web>
<system.net>
<mailSettings>
<smtp>
<network host="mail.domain.com" userName="site@domain.com" password="buster43"/>
</smtp>
</mailSettings>
</system.net>
<location path="admin">
<system.web>
<authorization>
<deny users="?"/>
</authorization>
</system.web>
</location>
</configuration>

Setup in IIS for your Server
----------------------------------

1. Open you website properties from IIS

2. Goto Home Directory Tab and se the all criteria as per below image





3. Now click on 'Configuratino' from 'Home Directory' tab.

4. Then, Add new Extension of '.cgi' as per below image.




5. Select 'A redirection to url' radion button in 'Home Directory' tab.

6. Write this text into textbox, next to 'Redirect to' label , just like below image.




Redirection Text : *; /*.aspx; /$0.cgi$Q; /*.aspx; /$0.cgi;

Now, You can play with your website.
Feeling magic with .cgi extension instead of .aspx pages.

That's it !
Hope you will like it.

Fade Effects With Javascript

Fade Effects With Javascript

Fade Effects With Javascript
========================

Script
-------

<script language="javascript" type="text/javascript">

var TimeToFade = 1000.0;

function fade(eid)
{
var element = document.getElementById(eid);
if(element == null)
return;

if(element.FadeState == null)
{
if(element.style.opacity == null
|| element.style.opacity == ''
|| element.style.opacity == '1')
{
element.FadeState = 2;
}
else
{
element.FadeState = -2;
}
}

if(element.FadeState == 1 || element.FadeState == -1)
{
element.FadeState = element.FadeState == 1 ? -1 : 1;
element.FadeTimeLeft = TimeToFade - element.FadeTimeLeft;
}
else
{
element.FadeState = element.FadeState == 2 ? -1 : 1;
element.FadeTimeLeft = TimeToFade;
setTimeout("animateFade(" + new Date().getTime()
+ ",'" + eid + "')", 33);
}
}

function animateFade(lastTick, eid)
{
var curTick = new Date().getTime();
var elapsedTicks = curTick - lastTick;

var element = document.getElementById(eid);

if(element.FadeTimeLeft <= elapsedTicks)
{
element.style.opacity = element.FadeState == 1 ? '1' : '0';
element.style.filter = 'alpha(opacity = '
+ (element.FadeState == 1 ? '100' : '0') + ')';
element.FadeState = element.FadeState == 1 ? 2 : -2;
return;
}

element.FadeTimeLeft -= elapsedTicks;
var newOpVal = element.FadeTimeLeft/TimeToFade;
if(element.FadeState == 1)
newOpVal = 1 - newOpVal;

element.style.opacity = newOpVal;
element.style.filter =
'alpha(opacity = ' + (newOpVal*100) + ')';

setTimeout("animateFade(" + curTick
+ ",'" + eid + "')", 33);
}

</script>

</HEAD>

How to Use
---------------
You can use this JavsScript this way.
Suppose, Your HTML layout is like this :

<BODY>
<div id="fadeBlock" style="background-color:Lime;width:250px;
height:65px;text-align:center;">
<br />
I'm Some Text
</div>
<br />
<br />
<input type="button" onclick="fade('fadeBlock');" value="Go" />

</BODY>
</HTML>