All About Microsoft.Net Technologies!

Long-Running Operations support in Web Applications

2009-01-19T21:10:00.001-08:00

Long running operations are most of the time a heck in web applications i.e. completing an online checkout process or sending a newsletter to hundreds of your users from your website. Here is how you can do that. An article from MSDN Magazine will help you understand the detailed process of managing long running operations.Web Apps That Support Long-Running Operations

Changing the trust level of a web application

2009-01-18T19:42:00.000-08:00

Asp.net (1.1 & 2.0) web applications run under full trust, by default. It means they can access any resources; however, to limit this resource access you need set the trust level. < level="Full|High|Medium|Low|Minimal"/> And this is set in system.web section of the web.config file in asp.net web application. Here is a detailed article from MSDN to elaborate the process of setting

Using partial classes in C# and .Net 2.0

2009-01-08T10:51:00.000-08:00

Partial classes can be used to split the class definition in multiple files and then use the methods from all of those files as single class. For example you have a class Module that contains all the properties and methods regarding the Module functionality of your project. You can split the functionality into two different classes i.e. ModuleMain.cs, ModuleExtended.csHere is the sample code:file

Adding intellisense comments in C# using XML

2009-01-07T03:51:00.000-08:00

We usually create classes and methods in Visual Studio 2005 using C# or VB.Net. Once we have created a class and all of it's methods and properties, we can access the list of all of them in the intellisense when we use the class in our code. The intellisense feature automatically shows us the list of public methods and properties.However, if we also want to add some comments to explain what each

User not associated with trusted SQL Server connection

2009-01-06T10:12:00.000-08:00

Sometimes if you try to login to the sql server using sql server authentication you receive an error message saying "Not associated with trusted sql server connection". It means that the sql server authentication mode is not activated for this insatance of the sql server. To enable both windows authentication and sql server authentication modes for a particular instance of the sql server do the

Add memory stream data as attachment in the email using C#

2008-12-26T08:31:00.000-08:00

Sometimes we have data in a stream object and we want to send that data as an attachment with an email. We can have data either in basic stream object, file stream object, or memory stream object. Let say, for this example we use memory stream object and below lines are used to add this memory stream data as attachment with an email and send it using SMTP Client.objMemoryStream.Position = 0;

Free ASP.NET 3.5 Training Video Downloads

2008-11-05T23:00:00.000-08:00

Here is a list of asp.net 3.5 videos available freely from asp.net website. For your comfort I have listed the download links in a single post.You can download and learn a lot from all of these video tutorials:ASP.NET AJAX Support in Visual Studio 2008The ListView ControlThe DataPager ControlVisual Studio 2008 and Nested MasterpagesNew Designer Support in Visual Studio 2008JavaScript Intellisense

Find if network is available and connected using C#

2008-02-15T01:42:00.000-08:00

There are different ways to find out manually that whether we're connecte to some network or not. But how we do this via programming - especially in .Net? In this post I'll give you the idea to find out that if we're connected to the network or not. This code snippet can also give us the number of the networks available to our machine.In order to find out connected networks in Microsoft.Net using

How to ping a server programatically in .net using C#

2008-02-13T00:32:00.001-08:00

Normally, in Windows operating system we can ping a machine using Ping command in the command window. What we need to do is just provide the IP of the target machine we want to ping. Ping command returns the response which tells us that the other machine is active on the network and available. This same kind of functionality need to be achieved via programming. In this article I'll show you the

Register a COM DLL from .Net application using C#

2008-02-12T01:24:00.000-08:00

The problem with the COM components i.e. DLL is that they need to be registered in the windows to put them to work. Registry Server can be used to register those DLLs. While doing this task manually one need to use command window to register the DLL file using Registry Server executable. Whoever, sometimes we also need to register some DLL from our application code using either C# or Visual

Open a webpage on button click in asp.net using C#

2008-02-11T02:20:00.000-08:00

Sometimes we need to open a web page using a button click event. This post contains a sample code that can be used in a button click event to show a page using Javascript Window.open method. This code snippet is just a small piece just to give you an idea for the startup stuff. I hope you can improve, and modify it according to your need to achieve your required goal.Here is the sample code. You

Get date and time parts in SQL Server 2005 using Transact SQL

2008-02-08T01:12:00.000-08:00

Datetime data type in SQL Server 2000 or SQL Server 2005 provides a way to store data in date and time format. This type of variable or field contains both date and time togather, but sometimes we need either date or time portion only separately. For that purpose we can use Transact SQL. In this article I'll explain the way we can process datetime type data and get date and time parts as

Release memory in Windows Form application using C#

2008-02-07T04:18:00.000-08:00

Windows Form applications (Microsoft.Net Desktop applications) sometimes start consuming a lot of memory, which has different drawbacks, but I'll not get into the details of them here. What we'll look into is how to avoid the excess use of the memory resource in a windows application in C#.In fact, you need to flush memory to release all the unused memory to make more space available for your

Read data from XML File using DataTable in C#

2008-02-06T05:02:00.000-08:00

Reading data from an xml file with the help of DataTable in C# is very easy. You just need to use one method of DataTable called ReadXML. Here is this article I'll show you how to complete this task of reading xml data into a DataTable.Before reading xml data into a DataTable you need to make sure that the table structure is consistent with the structure of the xml. The good idea would be to

Write XML file using DataTable in C#

2008-01-31T01:35:00.000-08:00

We can read data from and write data to an xml file using a DataTable object in C# or Visual Basic. What we need to do is to define a DataTable structure and then use that structure to read and write xml file. In this article I'll show you how to write data to an xml file, but the read process will be shown in the next post. So, let's get the ball rolling!Okay, the only namespace we need to

soap formatter to serialize objects in C#

2008-01-30T02:02:00.000-08:00

Guys, we have already seen that how can we serialize an object using C# in visual studio 2005. Now, we'll look into the process of serializing an object using soap formatter. It is also known as xml serialization. In this article we'll get into the details of serializing an object using soap formatter.First of all, import following two namespaces in your project.using System.Runtime.Serialization

Build transparent windows form using C#

2008-01-28T22:45:00.000-08:00

Developing a transparent windows form in Visual Studio 2005 using C# is not that big deal! By just setting a few properties, you can design a windows form you can look through. This article elaborates the process of converting a windows form into a transparent form using C#.Create Visual Studio 2005 project using C# as a language of choice. In the picture of the transparent form I'm about to show

Add windows form application in registry to run at startup

2008-01-28T00:06:00.000-08:00

If you want to install a windows application on the client machine, specially if you have to deploy a smart client application and you also want to run that application on startup, then you can add the path of the executable of the application in the registry. In this article, I'll show how you can do this.First of all, import following namespace in your C# Windows Form application project.using

Object serialization using binary formatters in C#

2008-01-26T09:41:00.000-08:00

In this article I'll show you the method of serializing a class object on a disk drive in a data file using binary formatters in C#. When we serialize an object, we actually preserve the state of the object on the disk so we can pick its state right from there where we left.A classic example can be of a video game. For example you're developing a video game and you want to stop and exit the game

Serialization of data using binary formatters in C#

2008-01-25T03:06:00.000-08:00

Sometimes our program needs to save objects and data on hard drive. It is actually a process to preserve state of an object on the hard drive. Microsoft.Net provides a mechanism called serialization and the reverse process by which we load the state of object again is called the deserialization.There are two methods to perform serialization knows as binary and soap. In this article I’ll use

Send email in asp.net web application using C#

2008-01-24T01:17:00.000-08:00

Sending email in a web application is a common requirement. You might need this feature to send comments, feedback, newsletter, or tell a friend email etc. I’ll show the easiest way to send an email in Microsoft.net 2.0 and asp.net using C#.First of all include following namespace in your asp.net web form.using System.Net.Mail;This namespace provide you different classes to specify various

Custom paging in SQL Server stored procedure

2008-01-23T03:50:00.000-08:00

Microsoft.net provides controls which have paging capability by default – that is they have built in feature that can let you apply data paging by just setting a few properties or with just a few lines of code. The problem with this approach is that all the data is cashed in the memory i.e. using dataset etc, which effects application performance. Custom data paging in SQL Server stored procedure

Programmatically input data on a form and click submit button using C#

2008-01-22T07:57:00.000-08:00

Usually form data is input manually by the user and then a button is clicked to send this form to the server for processing. Sometimes this process needs to be automated. You need to input form data with the help of the code and then click on the submit button programmatically. I’ll show you the code sample to perform this task in visual studio 2005 using C#.In this article I’ll explain how to

Fetch contents of a web page using C#

2008-01-21T02:09:00.000-08:00

If you are looking for some code help which can help you fetch contents of a web page using C# in asp.net then you’re at the right place. Sometimes you do need to read a web page programmatically so you could process the contents of the page.In order to perform this task you need to import three Microsoft.net namespaces:using System.IO;using System.Net;using System.Text;First of all lets review

Accessing aspx page in javascript code using src attribute

2008-01-20T05:07:00.000-08:00

Sometimes .net web developers need to access an asp.net web page in the javascript. A scenario where this kind of feature can be very helpful is one when you want to make some kind of processing using aspx page at your website or web server and then you want to show the output of this processing on some other website which can be static HTML site or using some other server side processing