Nikolaos Kantzelis ASP.Net Blog

How to move the ViewState from a hidden field on the client to a session on the server

nikolaosk — Fri, 30 Dec 2011 20:12:00 GMT

This is a post relevant to all the developers out there that use Web Forms as their main ASP.Net platform. In this post I would like to talk about ViewState and how we can move it and store it in a session on the server's memory. We know that the default...(read more)

Adding search functionality in a GridView in an ASP.Net application

nikolaosk — Wed, 28 Dec 2011 20:06:00 GMT

In my seminars I always show how to fetch data from an SQL Server database to some UI controls (usually a GridView control). I use the connected data access model,I use the disconnected data access model (datasets) and obviously I provide samples that...(read more)

Create an Ajax enabled WCF service and invoking it using client-side code

nikolaosk — Wed, 28 Dec 2011 15:45:00 GMT

In this post I would like to show you again with a hands-on example how to create an Ajax enabled WCF Service and invoke it using the Ajax Script Manager web server control. This is going to be a very simple example and it is for people who are not familiar...(read more)

Using JQuery to call a WCF Service in an ASP.Net application

nikolaosk — Mon, 26 Dec 2011 22:22:00 GMT

In this post I would like to show you with a hands-on example how to invoke a WCF service from JQuery . I have already posted a few posts regarding JQuery and server communication.Have a look in this post and in this post . This is a similar post . In...(read more)

Using Audio and Video in HTML 5

nikolaosk — Mon, 26 Dec 2011 00:03:00 GMT

This is the second post in the new HTML 5 post series. You can find the first post about HTML 5 input form elements and validation here . In this post I would like to show you how to use audio and video.We all know that audio and video are everywhere...(read more)

Using HTML 5 form input elements in ASP.Net applications

nikolaosk — Sat, 24 Dec 2011 13:26:00 GMT

I am going to start a new series of posts that focus on HTML 5. HTML 5 is something I wanted to learn and finally I have covered enough ground to feel confident. HTML 5 gives us things like Semantic tags, the possibility to add video and audio in our...(read more)

Looking into Web performance in ASP.Net applications

nikolaosk — Thu, 08 Dec 2011 17:29:00 GMT

In these series of posts I am going to have a look into the various factors that make our web applications slower and how we can rectify that. Ι have already blogged about caching in this blog and you can find these blog posts below Caching an ASP.Net...(read more)

Performing Validation using the JQuery Validation library/plugin

nikolaosk — Mon, 28 Nov 2011 15:16:00 GMT

This another post that is focusing on how to use JQuery in ASP.Net applications. If you want to have a look at the other posts related to JQuery in my blog click here In this post I would like to show you how to perform client-side validations using the...(read more)

Creating a simple watermark effect using JQuery

nikolaosk — Thu, 24 Nov 2011 18:37:00 GMT

This another post that is focusing on how to use JQuery in ASP.Net applications. If you want to have a look at the other posts related to JQuery in my blog click here In this post I would like to show you how to create a simple watermark effect using...(read more)

Creating a simple accordion with JQuery

nikolaosk — Thu, 24 Nov 2011 16:16:00 GMT

This another post that is focusing on how to use JQuery in ASP.Net applications. If you want to have a look at the other posts related to JQuery in my blog click here We all know that there is always a limited space in our web page to show content.In...(read more)

Creating a simple slider panel with JQuery

nikolaosk — Wed, 23 Nov 2011 21:48:00 GMT

Creating custom error pages in ASP.Net applications

nikolaosk — Sat, 24 Sep 2011 19:05:00 GMT

This is going to be another short post regarding ASP.Net and custom error pages. Our goal is to specify a particular page to be displayed on the user's screen when error occurs within our application.In order to that we basically have to make some changes...(read more)

Take an ASP.Net application offline

nikolaosk — Sat, 24 Sep 2011 15:30:00 GMT

In this post (it is going to be very short for a change) I would like to show you how to take your ASP.Net application offline. We have to place a file named app_offline.htm into your root directory.By doing that we stop any ASP.Net processing. If you...(read more)

An introduction to ASP.Net health monitoring and web events

nikolaosk — Tue, 20 Sep 2011 21:26:00 GMT

In this post I would to focus on ASP.Net Health monitoring and Web events.Health monitoring is another mechanism to capture/abstract logging. In most cases with our ASP.Net applications we need to trace what happens when they are up and running. Have...(read more)

Using JQuery Ajax functions to retrieve data from the server

nikolaosk — Wed, 14 Sep 2011 11:15:00 GMT

In this post I would like to talk about the great support that JQuery has for Ajax.I have already written another post on my blog regarding the Jquery Ajax functions and how we can get data form the server.In that post we looked into how we can use the...(read more)