ASP.NET Tutorial - For Beginners & Professionals

A brief version history of ASP.NET

ASP.NET Framework is a part of .NET framework used to create dynamic website, web application and web services. It is a server side technology that uses all .NET compatible language such as C#, VB.NET, J# etc. which are compiled to Microsoft Intermediate Language (MSIL). ASP.NET uses server control to develop rapid and interactive application in easy way.

 

Understanding Detailed Architecture of ASP.NET 4.5

ASP.NET has extended into multiple code frameworks, including Web Forms, MVC, Web Page, Web API and SignalR. Initially, all these grew up separately but now they are coming together. Now, you can develop your web site or web application by using Web Forms or MVC or Web Page and services by using Web API or SignalR.

 

Difference Between GridView and DataGrid and ListView

GridView, DataGrid and ListView Data-bound controls are used to display and modify data in your Asp.Net web application. These controls also contains others Asp.Net controls like as Label, TextBox, Dropdown List etc. into a single layout. In this article, I am going to expose the difference among these three.

 

Difference Between Repeater and DataList and GridView

Repeater and DataList and GridView are Data-bound controls that bound to a data source control like SqlDataSource, LinqDataSource to display and modify data in your Asp.Net web application. Data-bound controls are composite controls that contains others Asp.Net controls like as Label, TextBox, Dropdown List etc. into a single layout.

 

Difference between HttpGet and HttpPost Method

The Hypertext Transfer Protocol (HTTP) is a communication protocol that is designed to enable request-response between clients and servers. Here, a web browser is the client and an application on a computer that hosts a web site is the server

 

Turn off Asp.net Custom Errors in Web.config

Some times after hosting web application on the server, we get unexpected error as shown in the below fig. But we did get the detailed message for the unexpected errror. In this article, I would like to share how can we get detailed message for the unexpected error.

 

Disable right click on web page and images

Sometimes it is required to prevent your web page images from being copied by another one. You can secure your images by disabling right click or by disabling image context menu on images only. This is an effective approach to prevent your images from being copied or stolen.

 

Stop auto-fill in browsers for textbox

Today’s browsers like Chrome, Firefox, Internet Explorer and Safari has functionality of auto complete values in TextBoxes. If you have enabled this features in your browser, then each and every time when you start to enter value in TextBox you get a drop down of prefilled values in that TextBox.

 

Difference between disabled and read only attributes

Sometimes, we required to display form fields in non-editable mode. We can achieve this functionality by setting read-only or disabled attribute to form fields (textbox, label, checkbox, text area). Before using both these attributes, we should understand the key differences between read only and disabled attributes.

 

Do proper alignment of validator control's error messages using Display property

In Asp.net, sometimes we need to validate a TextBox and its input by more than one validator controls. Suppose you Want to validate a TextBox that must contain a valid Email address then we required two validator controls - Required Field and Regular Expression as shown below:

 

Validate ListBox and DropDown List using Required Field Validator

In Asp.net, sometimes we need to validate ListBox and DropDown List using Required field validator. It is tricky and avoids the use of JavaScript function to validate ListBox and DropDown List. Here I am sharing the code.

 

Difference between document.ready and window.onload or pageLoad

We think pageLoad() and jQuery’s $(document).ready() events do the same. Both methods seem too similar in simple demo example. But $(document).ready() and pageLoad() methods are very much differ in functioning.In this article, I will explain the major differences between $(document).ready() and pageLoad() methods.

 

Asp.net Enter Key to submit form

Suppose, you want to press/click submit button on Enter key press or you are trying to post the form on Enter key press. In asp.net, to achieve this functionality we need to set "Defaultbutton" property either in Form or in panel.

 

ASP.NET Asynchronous file upload using jquery

In Asp.net ajax, we have AsyncFileUpload control for uploading files asynchronounsly. If you are using JQuery with in your Asp.net application, then using microsoft ajax AsyncFileUpload control is not a good practice to upload files asynchronounsly. Form Last couples of days I was trying to upload and delete files asynchronounsly using JQuery in Asp.Net and finally I was able to do.

 

Introduction to Asp.net

According to Microsoft, "ASP.NET is a technology for building powerful, dynamic Web applications and is part of the .NET Framework". Infact Asp.Net is a programming framework used to develop web applications and web services. Basically it is next version of asp. It provides the easy way to build, deploy & run web application on any browser.