WebNov 1, 2024 · The type or namespace name 'type/namespace' could not be found (are you missing a using directive or an assembly reference?) A type or namespace that is used … WebDec 29, 2024 · the DataContract attributes are present in a project which targets Entity Framework 6. If you use that target framework, you have to reference the assembly which contains them (System.Runtime.Serialization) or remove them. If you want to target the Entity Framework Core framework, as I think you want to considering the fact you're …
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WebJul 23, 2011 · System.Runtime.Serialization.DataContractAttribute doesn't exist in the namespace . System.Runtime.Serialization The microsoft documentation clearly shows … WebOct 15, 2013 · 1 Answer. Sorted by: 5. As @outcoldman and @EthanLi suggested: Add the [DataContract] attribute to the ADUser class. Add a public constructor without arguments. Choose the fields you want to pass through WCF. Mark all … how do i turn on the pivottable field list
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WebMar 6, 2014 · The type or namespace name 'DataContractAttribute' could not be found (are you missing a using directive or an assembly reference?) – Kevan. Mar 4, 2014 at 10:37. System.Runtime.Serialization ... (eg, user hit Back) // This code will not execute when the application is deactivated private void Application_Closing(object sender ... WebJun 20, 2016 · The type or namespace name 'ServiceModel' does not exist in the namespace 'System' (are you missing an assembly reference?) So, I think to myself, I'll just add a reference to ServiceModel, no big deal. So, I right-click the project, go to add reference, look for System.ServiceModel under Assemblies->Framework, check it, and … WebJun 19, 2015 · The type or namespace name 'DataContractAttribute' could not be found (are you missing a using directive or an assembly reference?) ... I actually did add the using statement without adding the reference and it did NOT complain. I thought may be the compiter understands this statement without adding a reference to it. I was wrong. … how much of us is uninhabited