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VB.NET 2005 Free Training : Introducing Windows Forms
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Other links at ASP.NET > Tutorials |
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Validate using RequiredFieldValidator
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In this tutorial youll 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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Integrating PayPal Payments into E-Commerce Applications with ASP.NET
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E-Commerce applications require mechanisms for payment. Although more commonly than not e-Commerce sites will use full credit card processing gateways, giving PayPal as an additional option of payment provides additional payment options for your customers, especially those that dont want to pay by credit card over the Internet. If you run a Web shop that uses direct credit card processing and want to integrate PayPal seamlessly, youll find that using PayPal as a processing service is not as straight forward as using a payment gateway. In this article I describe how you can minimize the external PayPal interaction and work the PayPal payment into the order processing workflow to provide a seamless interface using ASP.NET and C#. However, the principles used here should be applicable to any Web programming environment.
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How to implement simple password security using ASP.NET tool (KB100024)
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This article presents a simple method for securing your ASP.NET web pages, requiring almost no code development. In this article, youll be introduced to the components that .NET provides that significantly reduce the amount of code you have to write in order to secure your website pages. Youll learn about Forms Authentication, User Identity, XML configuration files, and authorization tickets. And youll learn how to store username and password information in simple XML configuration files.
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Sending Mass E-Mails ( Newsletter ) using ASP.NET.
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This is part II of a series of articles in which well learn how to send mass e-mails ( both text and HTML ) to a list of subscribers using ASP.NET. Well also learn what are validation controls and how they can help us validate user input.
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The Quest for ASP.NET Scalability
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In this article, we will look at some of the architectural and design decisions that may affect ASP.NET application scalability. In addition, you will leanr how you can use Enterprise Services and MSMQ to reduce the effect of those scalability problems.
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