[Sample Of Dec 11st] Add Unique Constraint in EntityFramework

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Sample Download :

CS Version: https://code.msdn.microsoft.com/CSASPNETUniqueConstraintInE-d357224a

VB Version: https://code.msdn.microsoft.com/VBASPNETUniqueConstraintInE-8244b849

This project demonstrates how to add unique constraint in Entity Framework 4.3. Many customers need a Unique Attribute in EntityFramework4.3, but until now, there is no any published DLL or tool in Code-First of Entity Framework to serve this purposeThis sample demonstrates how to build a sub-report which get data from SQL Server based on a primary key passed from the main-report, then use the ReportViewer control to show that Main/Sub report in the web page.
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You can find more code samples that demonstrate the most typical programming scenarios by using Microsoft All-In-One Code Framework Sample Browser or Sample Browser Visual Studio extension. They give you the flexibility to search samples, download samples on demand, manage the downloaded samples in a centralized place, and automatically be notified about sample updates. If it is the first time that you hear about Microsoft All-In-One Code Framework, please watch the introduction video on Microsoft Showcase, or read the introduction on our homepage https://1code.codeplex.com/.