Tuesday, January 25, 2011

Installing Nuget package with package manager console step by step overview.

I have already blogged about NuGet in earlier post about how to install NuGet packages to your project with wizard. NuGet Extension also provides an package manager console to add library to your projects. Let’s install a blogml package via package manager console. So if you still not installed NuGet exntension then please read my earlier post here that explains how to install the NuGet Extension.

Once you are done with installing NuGet Extension to go to package manager console. You have to click Tools->Library package manager –>Package Manager console like following.

PcakgeManagerConsole

Once you click that menu you will get package manager console like following. PackageManagerConsolewindow

One you load an command line is available to you just need to write command to find packages and then you need to write command to install packages. let’s first see how many packages are available with the NuGet Extension. So first you have to write ‘get-package –remote’ command in command line to see what packages are available as following.

PackageCommand

So It will load all the packages available in NuGet Now let’s filter some package via command. Suppose I want to install BlogML library to my project then I have to type ‘get-package –remote filter blogml’ and it will load all the packages that will contain BlogML like following.

FilterBlogML

Now let’s install BlogML library to my project for that I have to type ‘install-package blogml’ and it will install the package like following.

InstallingPackage

That’s it you can see Now your package is installed on your project and you find it in reference of your project like following.

BlogMLReference

It will also create packages.config and you can see installed packages there like following.

<?xml version="1.0" encoding="utf-8"?>
<packages>
<package id="blogml" version="2.1.0" />
</packages>

So that’s it as you can see its very easy to install NuGet package and its very convenient to install packages with this. Hope this help you. Stay tuned for more… Happy Programming..


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Monday, January 24, 2011

Getting Started with NuGet Packages step by step overview.

We can all see lots of buzz about NuGet in asp.net world. So I decided to explore it. let’s explore it in some details. Following is a explanation of NuGet Extension on the code plex here.



"NuGet is a Visual Studio extension that makes it easy to add, remove, and update libraries and tools in Visual Studio projects that use the .NET Framework. When you add a library or tool, NuGet copies files to your solution and automatically makes whatever changes are needed in your project, such as adding references and changing your app.config or web.config file. When you remove a library, NuGet removes files and reverses whatever changes it made in your project so that no clutter is left."

So in simple words is a Visual Studio Extension which will help you the add,remove and update libraries in your visual studio project.

Installing NuGet

Let’s see how we can install it. For that first you have to go thorough the Tools->Extension Manager and then search for nuget and it will appear in the list like below.

NugetInstallation

After that click on download and it will download and install it from the web. Make sure your computer has access to internet. Once you download your nugest extension it will ask you to restart visual studio. So once your are restarted you are ready with nuget packages.

How to install packages with NuGet

Here, I am going to install Entity Framework code first CTP 5 package with NuGet. To install that package first you have to go right click your project and then click add Library Reference Package like following.

AddLibraryPackage

After that a reference dialog will appear their you have click online and search entity as we need to install entity framework ctp. After searching the right package click on install it will start installing your package. Following is screen host of add library package reference dialog.

EntityFramework

After clicking install EFlicence dialog will appear like this.

EFCodeFirst

Click on I Accept and install will install package.After installing package a green icon will appear on top as indication of your successful installation like following.

AfterInstallation

Now after clicking on close if you see on your project reference An Entity framework is added to your project reference like following.

EntityFrameworkReference

Also you can see a package.config will be added to your project. like following.

<?xml version="1.0" encoding="utf-8"?>
<packages>
<package id="EFCodeFirst" version="0.8" />
</packages>
That's it your package is installed and ready to use in your application. There is another way of adding packages with package console is also there. I will explain this on future blog posts. Hope you liked this. Stay tuned for more..
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Programmatically creating asp.net request and handling response

Recently one of the my friends asked about how to create a web request in asp.net to a url outside of project. So I decided to write a small blog post regarding this. This web request can be easily created with httpwebrequest class and you can easily consume the response we are getting from this. This kind of request can be very useful when you are implementing payment gateways or other third party components. Following is a code for it. It is very easy.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Net;
using System.IO;

namespace Experiment
{
public partial class WebForm1 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
string url = "http://localhost:1798/WebForm2.aspx";
HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create(url);
httpWebRequest.Method = "POST";
httpWebRequest.ContentType = "application/x-www-form-urlencoded";

HttpWebResponse httpWebResponse = (HttpWebResponse)httpWebRequest.GetResponse();
Stream responseStream = httpWebResponse.GetResponseStream();
StreamReader streamReader = new StreamReader(responseStream);
string response = streamReader.ReadToEnd();

Response.Write(Response);
}
}
}
Here in the above code you can see I have created a webrequest with system.net name space and then I have typecast that request in HttpWebRequest Class. There are several parameters are available with request like method which HTML submit method you want to use like “Get” or “Post”. After that I have created a object of HTTPResponse and then with the help of stream reader I have print a response we are getting from the URL.

That’s it. It’s very easy. Hope you will find it useful. Stay tuned for more. Happy Programming..

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Saturday, January 22, 2011

JQuery UI 1.8.9 new version launch today

JQuery UI contains great controls and it’s very useful when developing sites. Today a new version of Jquery UI is launched.

You can find more details about that from following link.

http://blog.jqueryui.com/2011/01/jquery-ui-1-8-9/

It’s contains Bug fixes for Datepicker, Tabs and other things and also contains some localization improvements on the date picker.

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Multi Monitor Support in Visual Studio 2010

In this blog post we are going to see an new feature for multi monitor support in Visual Studio 2010. In Visual Studio 2010 you can drag windows outside IDE and thus you can use in different monitor. That’s feature is very useful if developer is having multiple monitor and he can work different windows at same time.

You just need to drag window outside the IDE and new windows will open just like following.

Multi monitor support in Visual Studio 2010

That’s it you can drag this windows any where. Visual studio 2010 also provide facility to open different IDE in different windows and developer work on multiple solutions at time.

Hope you liked it. Stay tuned for more!!. Happy Programming..

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Friday, January 21, 2011

HTML and Java Script code snippets in Visual Studio 2010

We all love Visual Studio as great IDE and Microsoft is providing more and more features for that IDE. Let’s investigate one of great features that Microsoft has given with Visual Studio 2010.

What is code snippets?

Code snippets is a one of the cool feature that given in Visual Studio IDE. If you know the chunks of the code that you need to type over and over again throughout the code then this code snippets feature will help you on this. For example your exception handling code. Your redirection code everything you need more can be putted in the code snippets.

You can insert code snippets via right click –> Insert code snippets and there is also a short code is also available to bring up directly code snippets via pressing ctrl-K+ ctrl-X. Following is look of basic code snippets window.

CodeSnippets with visual studio 2010

You can put your code snippets. Below is link for creating code snippets in Visual Studio 2010.

http://msdn.microsoft.com/en-us/library/ms165394.aspx

HTML and Java Script Code snippets in Visual Studio 2010

Till visual studio 2008 the code snippets are provide only on the code behind file. But with Visual Studio 2010 now you can have that in HTML and as well Java Script code snippets also and even If you have asp.net MVC installed with Visual Studio 2010. You can have code snippets for that also.

Here you can see HTML code snippets in asp.net web form file below.

HTMLCodeSnippet in visual Studio 2010

Same way you can have it Javascript code snippets also like following.

JavascriptSnippets

Isn’t that cool? Stay tuned for more!! Happy programming.

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Thursday, January 13, 2011

HTTP Module in details

I know this post may sound like very beginner level. But I have already posted two topics regarding HTTP Handler and HTTP module and this will explain how http module works in the system. I have already posted What is the difference between HttpModule and HTTPHandler here. Same way I have posted about an HTTP Handler example here as people are still confused with it. In this post I am going to explain about HTTP Module in detail.

What is HTTP Module?

As we all know that when ASP.NET Runtimes receives any request it will execute a series of HTTP Pipeline extensible objects. HTTP Module and HTTP handler play important role in extending this HTTP Pipelines. HTTP Module are classes that will pre and post process request as they pass into HTTP Pipelines. So It’s one kind of filter we can say which will do some procession on begin request and end request.

If we have to create HTTP Module we have to implement System.Web.IHttpModule interface in our custom class. An IHTTP Module contains two method dispose where you can write your clean up code and another is Init where your can write your custom code to handle request. Here you can your event handler that will execute at the time of begin request and end request.

Let’s create an HTTP Module which will just print text in browser with every request. Here is the code for that.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace Experiment
{
public class MyHttpModule:IHttpModule
{
public void Dispose()
{
//add clean up code here if required
}

public void Init(HttpApplication context)
{
context.BeginRequest+=new EventHandler(context_BeginRequest);
context.EndRequest+=new EventHandler(context_EndRequest);

}
public void context_BeginRequest(object o, EventArgs args)
{
HttpApplication app = (HttpApplication)o;
if (app != null)
{
app.Response.Write("<h1>Begin Request Executed</h1>");
}
}
public void context_EndRequest(object o, EventArgs args)
{
HttpApplication app = (HttpApplication)o;
if (app != null)
{
app.Response.Write("<h1>End Request Executed</h1>");
}
}
}
}
Here in above code you can see that I have created two event handler context_Beginrequest and context_EndRequest which will execute at begin request and end request when request are processed. In this event handler I have just written a code to print text on browser.

Now In order enable this HTTP Module in HTTP pipeline we have to put a settings in web.config HTTPModules section to tell which HTTPModule is enabled. Below is code for HTTPModule.

<configuration>
<system.web>
<compilation debug="true" targetFramework="4.0" />
<httpModules>
<add name="MyHttpModule" type="Experiment.MyHttpModule,Experiment"/>
</httpModules>
</system.web>

</configuration>

Now I just have created a sample webform with following code in HTML like following.
<form id="form1" runat="server">
<B>test of HTTP Module</B>
</form>
Now let’s run this web form in browser and you can see here it the output as expected.

HTTPModule

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