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There are a lot of reasons to have nice URLs for your website:
Ugly URLs don't only make it difficult for users to browse your site, they can also impact Google rankings.
It is difficult for users to find their required records in a huge amount of data, so adding the filter data functionalities is very useful.
To please customers every business knows they need to keep their services and offerings fresh and up-to-date. The same is true for websites. In order to attract new traffic, we should make the website vivid.
It is common when we browse a list page, we have to click the "More..." or "Details" button to view the item detail. This process takes more time because we need to wait for the loading of the detail page.
To improve the performance, we can use jQuery plus CSS to show tooltips in the list page that can let users determine which item detail they want to see.
In old versions of ASP.NET AJAX the UI control couldn't get notification if the source had been changed. Developers had to write the extra code to refresh the value.
In ASP.NET AJAX version 4.0, there is a new feature called "Live Data Binding", which means when there's any change in the data source, the changes are reflected to the data bound interface instantly and vice versa.
NULLs create difficulty in the middle-tier because you need to add further handling. So avoid them where you can, eg. For a Discount field, make the default 0 and don't allow NULLs.
ASP.NET injects many lines during page rendering, so if you are using inline JavaScript, the line numbers will change during client side JavaScript debugging in VS.NET, FireBug or IE8 developer Tools.
When you are deploying an ASP.NET project (no matter it's a website or a Web application), do not copy all files of this project to the production server because source code will be deployed during this simple copy and it makes easier for others to access or tamper the source code of your site.
Instead, please use 'Publish' utility to deploy your website or Web application. This utility can remove the source code from the site.
ASP and ASP.NET tags have no place in plain HTML pages. They simply increase the size of the file and are ignored by browsers, because the need to be processed on the server. When converting ASP.NET pages to plain HTML you must be careful to remove all of these tags.
$(#id) is a selector of jQuery. It gets the single element with the given id.
jQuery is a fast and concise JavaScript Library that simplifies how you traverse HTML documents, handle events, perform animations, and add Ajax interactions to your web pages. jQuery is designed to change the way that you write JavaScript.
Don't ever display valid individual email addresses or mailto: on a website. Nasty people on the web have created "Email Harvesting" tools. These programs search public areas on the Internet to compile, capture, or otherwise "harvest" lists of email addresses from web pages, newsgroups, and chat rooms. Any email address that is spelled out can be captured and therefore gets attacked with spam.
The best way to avoid it is not to display valid individual email addresses in text format (especially in the form of "mailto:") on your website.
ReportViewer control is a powerful control designed for Windows application and Web application to process and display reports. This control can be configured to run in local processing mode and remote processing mode.
If you're creating new web apps in ASP.NET 2.0, do you still use Website projects ? We strongly recommend using the new Web Application projects .
What's the difference between the two? There is a detailed comparison here, but to summarize:
It is very common to come up with ways to filter data.
As an example, you could do it like this:
ClientSearch.aspx?Client.ClientID='ssw'&Client.CoName='S'
Figure: Filtering Data
This allows you to easily extract fields and values, but it only works for the fields you hard code. You could get around it by writing complex code to build a SQL query or ignore the ones that don't match.
How can you know that all components are working correctly on your site? It is vitally important to have a 'Health Check' page to validate everything is working correctly. This page will check the server and make sure:
Add your code to handle generic exception of your ASP.NET application in Application_Error.
Remember ASP code, you had lots of inline processing. Using DataBinder.Eval encourages the same tendencies. DataBinder.Eval is OK, so is formatting a number to a currency. But not formatting based on business rules. The general rule is, any code between <%# and DataBinder.Eval is bad and should be moved into protected method on the form.
Here is a good and a bad way to binding fields in ASP.NET in a datagrid.
Putting all the field binding code AND the business rule in the control:
❌ Bad: Business logic is in the presentation layer (.aspx file) ❌ Bad: No intellisense ❌ Bad: Compile errors are not picked up
In every application you focus on is the important business problems e.g. Invoices with multiple deliveries. Plus you have lots of lookup tables e.g. CustomerCategory. It is smart to work on the important business problems and have the lookup tables done automatically using a code generator.
The code generators to generate maintenance pages automatically, come from MS and from 3rd parties. The current choices are:
If we want to refresh and data bind the same page from client side, we can use the javascript function calls "__doPostBack". We shouldn't fire this post back in LinkButton. Otherwise, there will be an error.