Tutorials & Tips

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  • Microsoft's .NET Framework 1.1 does not provide proper utilities to communicate with the serial ports on a Windows machine. The RS232 library and this quick tutorial will have you talking to a COM port on your machine in no time.

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  • The tutorial covers what is .NET, what is ASP.NET and why use ASP.NET

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  • ASP.NET Forum Share the knowledge and get all the help you need to start developing secure ASP.NET Web applications and share your development issues.

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  • Recently, I had a requirement to put together a website that deals with taking somewhat elaborate financial surveys. While the questions and answers themselves are good candidates for being database driven, there were a large number of nuiances ranging

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  • I've been working on a financial reporting project lately and came upon the idea of bringing our charts from ChartFX.NET to life. The idea being that we could dynamically review each pixel's color in the chart in order to generate an HTML image map on

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  • Learn how to serialize .NET classes to Xml at runtime using System.Xml.Serialization.XmlSerializer. Then, use SQL Server's OPENXML functionality to bulk load hundreds of records across multiple tables in a single stored procedure call.

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  • At my place of employment, I work a great deal with somewhat complex hierarchical data as part of our measurement and analysis software. Thus, recursion and I have become rather close friends over the last few years. While rewriting an old website, I

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  • Learn how to extend an ASP.NET control to hold an unlimited number of additional values in ViewState to avoid expensive re-querying of the database.

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  • The control offers a very user friendly mobile device experience in that it allows the user to use their stylus / mouse to adjust the weight for a given decision criteria instead of typing the numbers.

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  • In this tutorial you'll find out how to validate a TextBox and RadioButtonList control on a webform using RequiredFieldValidator, which will show a warning and stop the submission of the form if a required field has no value.

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  • Working on a multi-developer ASP.NET project while sharing one web.config can be time consuming and troublesome. Usually, each developer may have path and other settings specific to their development machine, such as Database connection strings, paths,

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  • Ideally, every application built would be designed with correct date handling techniques. In practice, applications are often built using ad hoc date formatting to match a corporate culture, the default format on a companys server, or the favorite

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  • This is part I of the tutorial that teaches you how to connect to a SQL database from ASP .NET using SQL Authentication. This part shows you how to set up MSDE for Mixed Mode and how to use Web Data Administrator to create databases and users.

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  • It simply shows how to bind a DataGrid to an array using C# code.

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  • How to create a cookie, how to get the value stored in a cookie, set the lifetime, path and domain for a cookie, edit a cookie, delete a cookie, remove subkeys from a cookie...

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  • This tutorial covers the creation of a DataList control to retrieve records from a database. Also shows you how to make the DataList esthetic by changing its attributes.

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  • This is part II of the tutorial that teaches you how to connect to a SQL database from ASP .NET using SQL Authentication. This part shows you how to connect to the database using ASP .NET code and Visual Studio .NET's features.

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  • Demonstrates how to use custom validation on a form by checking to see if a string in a TextBox is not the same with a string from an array (or database), case in which it displays 'This name is already taken'.

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  • The tutorial shows you how to create stored procedures, after which you'll see how to use stored procedures in an ASP .NET web application.

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  • ASP.Net's introduction of the web.config file went a long way to filling the configuration hole we had to deal with in classic ASP. We actually went from having very little (global.asa was the closest thing) to a well-structured, change on the fly XML

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