Databases have a number of advantages over specialized design files for use in the VLSI design process. Balanced against these advantages is the presumed extra run-time cost of accessing the database. In particular, ordinary relational databases appear to be too slow to be used on-line by engin...
Data.SqlClient' is either not registered in the machine or application, config file, or could not be loaded Error 2010: The column specified as part of this MSL does not exist in MetadataWorkspace. Error 3024: Problem in Mapping Fragment starting at line 372: Must specify mapping for all ...
Vision-Enhanced Semantic Entity Recognition in Document Images via Visually-Asymmetric Consistency Learning Does Named Entity Recognition Truly Not Scale Up to Real-world Product Attribute Extraction? BUSTER: a “BUSiness Transaction Entity Recognition” dataset MultiCoNER v2: a Large Multilingual dataset fo...
The scaffolding engine currently does not support nullable reference types, therefore the models used in scaffold can't either.Remove the ? nullable reference type annotation from public string? RequestId { get; set; } in Pages/Error.cshtml.cs so the project builds without compiler warnings....
CreateIfNotExists() Creates a new database on the database server for the model defined in the backing context, but only if a database with the same name does not already exist on the server. Delete() Deletes the database on the database server if it exists, otherwise does nothing. ...
'ViewModels' does not exist in the namespace ', strange "#" is not valid at the start of a code block. Only identifiers, keywords, comments, "(" and "{" are valid. "An item with the same key has already been added." exception thrown, fixed by recycling app pool "commentting out...
Either the query source is not an entity type, or the specified property does not exist on the entity type. QueryUnableToTranslateMember(Object, Object) Translation of member '{member}' on entity type '{entityType}' failed. This commonly occurs when the specified member is unmapped. Query...
number of cases where you know a specific Entity ID, and wish to get a specific Component for it. An error is raised if the Component does not exist for the Entity ID, so it may be more useful when combined with thehas_componentfunction that is explained in the next section. For ...
You may see runtime errors in the server log, and transaction rollbacks may occur. The errors occur if both of the message-driven beans discover at the same time that the entity does not yet exist, so they both try to create it. The first attempt succeeds, but the second fails ...
Since a stored procedure may interact with many different tables or other objects in a database, the Entity Framework does not automatically map the stored procedure to any one specific entity in the CSDL. If you want to create a method that maps to a stored procedure, you can do so by ...