ASP.NET MVC C＃连接字符串元数据创建

Question

Sorry, I have a feeling this is a really basic question, but my connection string to my data source is invalid. I did a bit of trouble shooting and think that I am missing the metadata part of the connectionstring - but I'm not sure where it is/how to create it.

How is how I think it should look

<add name="PDCWebEntities" connectionString="metadata=METADATASTRING;Data Source=.;Initial Catalog=PDC;Integrated Security=True;MultipleActiveResultSets=True" providerName="System.Data.SqlClient" />

And here is where I think the information that needs to be in the metadata string is held:

It should be noted that the app.config file where the connectionstring is is in the PokemonDayCareSimple.Web project

Is it possible to make the metadata part of the string from this information?

Answer 1

You don't need metadata for connectionString.

<add name="DefaultConnection" connectionString="Data Source=(LocalDB)\MSSQLLocalDB;AttachDbFilename=C:\Users\me\source\repos\MarketplaceMVC\MarketplaceMVC.Web\App_Data\MarketplaceIdentityDb.mdf;Integrated Security=True" providerName="System.Data.SqlClient" />

Instead of "AttachDbFilename" you can use also "Initial Catalog".

In your Context Class you need to add a constructor:

public ApplicationContext() : base("DefaultConnection")
{

}