System.Data.Entity.Core Namespace

Represents a failure while trying to prepare or execute a CommandCompilation This exception is intended to provide a common exception that people can catch to hold provider exceptions (SqlException, OracleException) when using the EntityCommand to execute statements.

Represents a failure while trying to prepare or execute a CommandExecution This exception is intended to provide a common exception that people can catch to hold provider exceptions (SqlException, OracleException) when using the EntityCommand to execute statements.

Provider exception - Used by the entity client.

An identifier for an entity.

Information about a key that is part of an EntityKey. A key member contains the key name and value.

Represents an eSQL Query compilation exception; The class of exceptional conditions that may cause this exception to be raised are mainly:

1. Syntax Errors: raised during query text parsing and when a given query does not conform to eSQL formal grammar;
2. Semantic Errors: raised when semantic rules of eSQL language are not met such as metadata or schema information not accurate or not present, type validation errors, scoping rule violations, user of undefined variables, etc. For more information, see eSQL Language Spec.

Thrown to indicate that a command tree is invalid.

Mapping exception class. Note that this class has state - so if you change even its internals, it can be a breaking change

metadata exception class

This exception is thrown when a requested object is not found in the store.

This exception is thrown when a update operation violates the concurrency constraint.

Property constraint exception class. Note that this class has state - so if you change even its internals, it can be a breaking change

This exception is thrown when the store provider exhibits a behavior incompatible with the entity client provider

Exception during save changes to store

DataRecord interface supporting structured types and rich metadata information.