Either or has to have a value but both can't be null at the same time

Posted by Coppermill on Stack Overflow See other posts from Stack Overflow or by Coppermill
Published on 2010-03-25T14:35:58Z Indexed on 2010/03/25 15:33 UTC
Read the original article Hit count: 256

Filed under:

enterprise-library

|

validation

I have two fields and I need to generate an attribute, using Microsoft Enterprise Library validation, so that either or has to have a value, but both can not be null at the same time.

© Stack Overflow or respective owner

Related posts about enterprise-library

Installing Enterprise Library 5.0 - Enterprise Library 5.0 Tutorial Part 1

as seen on Microsoft .NET Support Team - Search for 'Microsoft .NET Support Team'
Microsoft has released Enterprise Library on April 2010. it’s free you can download and install from “Download Enterprise Library”. you can also find older version of enterprise library 4.1 still if your project needs it for maintenance purpose. but I suggest go for 5.0 as it has great enhancements… >>> More
Getting started with Blocks and namespaces - Enterprise Library 5.0 Tutorial Part 2

as seen on Microsoft .NET Support Team - Search for 'Microsoft .NET Support Team'
This is my second post in this series. In first blog post I explained how to install Enterprise Library 5.0 and provided links to various resources. Enterprise Library is divided into various blocks. Simply we can say, a block is a ready made solution for a particular common problem across various… >>> More
Activation Error while testing Exception Handling Application Block

as seen on Stack Overflow - Search for 'Stack Overflow'
I'm getting the following error while testing my EHAB implementation: {"Activation error occured while trying to get instance of type ExceptionPolicyImpl, key "LogPolicy""} System.Exception Stack Trace: StackTrace " at Microsoft.Practices.ServiceLocation.ServiceLocatorImplBase.GetInstance(Type… >>> More
Data Access Layer with Enterprise Library in Mobile Applications

as seen on Stack Overflow - Search for 'Stack Overflow'
How can I use Enterprise Library to do a Data Access Layer in c# for Sql CE and .NET Compact Framework? I haven't found clear examples. I would like to learn Enterprise Library but any example will be appreciated. >>> More
Executing multiple DbCommands in an open connection with Enterprise Library

as seen on Stack Overflow - Search for 'Stack Overflow'
How can you execute multiple DbCommands with one connection? Example: var db = DatabaseFactory.CreateDatabase(); var dbCommand = db.GetSqlStringCommand(InsertCommandText); ... db.ExecuteNonQuery(dbCommand); Now, I want to be able to Execute multiple dbCommands. For instance in pseudo kind of code: var… >>> More

Related posts about validation

How can I use Windows Workflow for validation of a Silverlight application?

as seen on Programmers - Search for 'Programmers'
I want to use Windows Workflow to provide a validation service. The validation that will be provided may have multiple tiers with chaining and redirecting to other stages of validation. The application that will generate the data for validation is a Silverlight app. I imagine the validation will… >>> More
HTML5 Form Validation

as seen on Stephen Walter - Search for 'Stephen Walter'
The latest versions of Google Chrome (16+), Mozilla Firefox (8+), and Internet Explorer (10+) all support HTML5 client-side validation. It is time to take HTML5 validation seriously. The purpose of the blog post is to describe how you can take advantage of HTML5 client-side validation regardless of… >>> More
HTML5 Form Validation

as seen on Stephen Walter - Search for 'Stephen Walter'
The latest versions of Google Chrome (16+), Mozilla Firefox (8+), and Internet Explorer (10+) all support HTML5 client-side validation. It is time to take HTML5 validation seriously. The purpose of the blog post is to describe how you can take advantage of HTML5 client-side validation regardless of… >>> More
Introducing Data Annotations Extensions

as seen on ASP.net Weblogs - Search for 'ASP.net Weblogs'
Validation of user input is integral to building a modern web application, and ASP.NET MVC offers us a way to enforce business rules on both the client and server using Model Validation. The recent release of ASP.NET MVC 3 has improved these offerings on the client side by introducing an unobtrusive… >>> More
jQuery validation per multiple fieldsets, how to use different event to trigger validation per secti

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi All! I have a really, really long form (about 300 fields) that I broke down into different sections using this slick jQuery plugin Form Wizard. If you group your form into different fieldsets, the FormWizard will automagically display one section at a time, with a Next hyperlink to take you to… >>> More