Tutorials & Tips

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  • Learn how to : •Access web.config •Displaying appSetting element in a web page •Creating multiple values and keys in appSetting

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  • Learn how to : •Manipulate web.config •Manipulate appSetting element •Refreshing web.config element

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  • ASP.NET Session State is improved in many ways when compared to sessions in classic ASP. ASP.NET Sessions supports web farms, survive web application's restart and can be stored out of working process. This tutorial explains advantages and

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  • ASP.NET doesn't know if visitor is closed web browser or just working on something else while page is still opened. To keep session live we can use meta refresh or JavaScript on client side. That is not always acceptable solution, especially in cases

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  • ASP.NET Session State supports five different modes: Off, InProc, StateServer, SQLServer and Custom. This tutorial explains differences between these modes and recommends which one to use in specific ASP.NET applications.

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  • If default InProc mode is used, ASP.NET session state is not reliable, scalable and doesn't support websites hosted on web farms. State Server solves all these problems and is good compromise between InProc and SQL Server modes. This tutorial explains

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  • ASP.NET Session State offers four modes to specify where you can store session data. InProc is default mode. It is fastest and easiest to use, but it has its own drawbacks. This tutorial explains advantages and possible problems when using InProc

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  • ASP.NET Session State enables you to choose between four modes (InProc, StateServer, SQLServer and Custom) where you want to store website session data. SQL Server is most reliable and scalable of given options. This tutorial explains how to use SQL

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  • Session state can be used to identify same visitor between requests. Session variables act as global variables, visible from all .aspx pages on website. This tutorial explains how to write, read and delete ASP.NET session state variables and avoid

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  • Session variables are easy to use, but they could cause problems with scalability, reliability and security. Although Session State in ASP.NET is improved a lot, especially when compared to classic ASP sessions, it is not appropriate solution in every

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  • Very often, there is a need to execute some code on certain date and time, or to repeat execution in regular time intervals. In case of ASP.NET web application, that could be sending of reminder e-mails, analyze traffic data, creating reports,

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  • If visitor doesn't make any web request in time interval longer than specified as session timeout (20 minutes by default), session will expire. That means all session variables will be deleted. Sometimes, we want to keep session alive and wait while user

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  • ASP.NET web application could restart or stop for numerous reasons. Most of the time, we would like that ASP.NET website is alive. To save resources, web server could restart or completely stop web application many times per day. Every time when this

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  • To preserve web server's resources, session expires after certain time of inactivity (20 minutes by default). If there are no new requests from same visitor, all session data related to that visitor are deleted from server's memory. This could be a

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  • If you build any kind of report, very often requirement is to display result of some aggregate function bellow of numeric column. For example, that could be an average sales per customer, summary of time spent on project or similar that acts as some kind

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  • Regular expressions are powerful way to validate data, especially useful for complex data patterns where other methods like classic string manipulation can't help. Programmers often avoid learning of regular expressions because they look difficult on the

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  • Regex class represents regular expression in .Net RegEx engine, located in System.Text.RegularExpressions namespace. This tutorial explains how to use Regex class in four common regular expressions scenarios: extract data, search-and-replace, split

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  • Software Development with C# needs to work with dates and times. To work efficiently with Date and Time .NET has the System.DateTime (DateTime) namespace to help us. You can use DateTime to get DateTime values, generate new DateTime values and format

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  • Raw data from database sometimes are not suitable for showing on web form directly. For example, you could need additional formatting for date values, show some message instead of NULLs, change 0 and 1 to data more intuitive to your visitors, show

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  • GridView, DetailsView or FormView controls are complex controls that have many pre-built features, including data paging or sorting. On opposite, Repeater or DataList offer more control over HTML output and they usually work faster than GridView, but

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Results 41 - 60 of 671

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