ASP.Net

Gridview paginated data with search and sort functionality in asp.net

Most of the times we need to use GridView control to show tabular data in our asp.net application. We simply write procedure to search the records and bind them with GridView and show 10 to 20 records per page. Have you ever thought that why you are fetching all the records and show only 10 to 20 records, why cannot fetch only those records which we have to show on the page, means 20 records if... By Ali Adravi   On 16 Feb 2013  Viewed: 6,220
  • asp.net
  • gridview

ASP.Net 4.5 new feature Model Binding

A nice feature with ASP.Net is the model binding, it reduced our code and effort to bind our well know controls like GridView, DataList, Repeater etc. So let’s see how we can bind our old controls in new and easy way. Let’s see how we bind the our grid before 4.5 1. We write the code to get data from database 2. Set the data source of control say GridView 3. Finally call the DataBind()... By Mike .Net   On 17 Jan 2013  Viewed: 2,653
  • asp.net

MVC model validation for email from database in asp.net

There are many cases where we need to validate the value in controls before submitting to the database, so let's discuss email validation like format, length and existence into database. We will walk through in this article, how to validate entered user email from database, whether email is already exists in database if yes then show error to user that email already taken by some one, if no email... By Ali Adravi   On 05 Jan 2013  Viewed: 5,804
  • mvc
  • asp.net

Routing with asp.net web forms application

Microsoft .NET Framework 3.5 SP1 introduced a routing engine to the ASP.NET runtime. The routing engine can decouple the URL in an incoming HTTP request from the physical Web Form that responds to the request, allowing you to build friendly URLs for your Web applications. Let's start make our web application work with routing, first of all you need to do some changes in your global.asax file,... By Ali Adravi   On 05 Jan 2013  Viewed: 2,107
  • asp.net
  • routing

Log error in a text file in ASP.Net

It’s good practice to log all the error into a file or database so in future you can check, how your application is working, and is there any issue which is not caught by Q.A. team. Really it's helpful to understand and caught the issues after deploying the application on production server. Create a method to log the error into a file: public void LogError(Exception ex, String... By Myghty   On 30 Dec 2012  Viewed: 1,089
  • asp.net
  • c#

Range Validator in ASP.Net

How and when to use RangeValidator is a tricky question, can we use RangeValidator to validate a string or date, most of us say we can not use RangeValidator for string but we can, we will see How to use RangeValidator for string?, How to use MinimumValue and MaximumValue for type String? ASP.net provides easy to use control to validate a control value between the range. It can be used to... By Tigers   On 29 Dec 2012  Viewed: 1,730
  • asp.net
  • rangevalidator

Web security and helpful resources

- **Complacency** 1. Educate yourself. 2. Assume your applications will be hacked. 3. Remember that it’s important to protect user data. - **Cross-Site Scripting (XSS)** 1. HTML-encode all content. 2. Encode attributes. 3. Remember JavaScript encoding. 4. Use AntiXSS if possible. - **Cross-Site Request Forgery (CSRF)** 1. Token Verification. ... By Ali Adravi   On 27 Dec 2012  Viewed: 280
  • asp.net

Upload multiple image in multiple size with progress bar in asp.net

In asp.net there is not control to select multiple files and upload them once with progress bar, so we will use a small third party DLL to achieve this functionality. We will use Flajaxian FileUploader, you can download it from [http://www.flajaxian.com][1] We will create three different images of size 100X100, 400X400 and original file, you can say thumbnail, medium size image and original... By Hamden   On 12 Jul 2012  Viewed: 5,690
  • asp.net
  • flajaxian
  • image

Check/Uncheck all checkboxes in asp.net by javascript

I was searching for select/deselect all checkboxes code into a gridview. I found most of them only provide to select and deselet all the checkboxes if any of the checkbox is unselected into grid the main checkbox is not affecting. I further try to search some useful code but could not found any useful solution, some of them are selecting all the checkboxes on the page or some provides only to... By Ali Adravi   On 10 Jul 2012  Viewed: 4,301
  • asp.net
  • javascript

How to retrieve data from database using JavaScript in asp.net

I was checking how to validate a user email from database without post back, using JavaScript. After some search and RND found the way to call the web service method with the help of Ajax and JavaScript. Let’s say we have a registration page on which we accept email from the user and we expect it should be unique in entire database. So we need a method to immediately validate the email from... By Ali Adravi   On 24 Jun 2012  Viewed: 11,751
  • javascript
  • sql server
  • asp.net

Disable dates in Ajax CalendarExtender

Ajax CalendarExtendar: I found many questions on different sites regarding date range selection in Ajax CalendarExtender, while it is quite simple to bound the range to select from, you can allow all the dates, disable past dates, disable date greater than current date, date should be greater than current date + 1 month, current date to 1 month etc. So let me explain one by one: **For all... By Jonathan King   On 23 Jun 2012  Viewed: 25,577
  • ajax
  • asp.net
  • datepicker
  • jquery

Linq to SQL connection String to read from web.config file automatically

When we use Linq to SQL it creates a connection string in Settings files. When we need to create the DLL of the DataAccessLayer (DAL) for production server or any server which is not our current development server then we need to change connection string manually in Settings file, is not it would be good to set something in application so it can always read the connection string form web.config... By Montana Neyra   On 17 Jun 2012  Viewed: 3,637
  • linq to sql
  • web.config
  • asp.net
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