Class NpgsqlException
The exception that is thrown when server-related issues occur.
Namespace: Npgsql
Assembly: Npgsql.dll
Syntax
public class NpgsqlException : DbException
Remarks
PostgreSQL errors (e.g. query SQL issues, constraint violations) are raised via PostgresException which is a subclass of this class. Purely Npgsql-related issues which aren't related to the server will be raised via the standard CLR exceptions (e.g. ArgumentException).
Constructors
| Improve this Doc View SourceNpgsqlException()
Initializes a new instance of the NpgsqlException class.
Declaration
public NpgsqlException()
Remarks
PostgreSQL errors (e.g. query SQL issues, constraint violations) are raised via PostgresException which is a subclass of this class. Purely Npgsql-related issues which aren't related to the server will be raised via the standard CLR exceptions (e.g. ArgumentException).
NpgsqlException(SerializationInfo, StreamingContext)
Initializes a new instance of the NpgsqlException class with serialized data.
Declaration
protected NpgsqlException(SerializationInfo info, StreamingContext context)
Parameters
Type | Name | Description |
---|---|---|
SerializationInfo | info | The SerializationInfo that holds the serialized object data about the exception being thrown. |
StreamingContext | context | The StreamingContext that contains contextual information about the source or destination. |
Remarks
PostgreSQL errors (e.g. query SQL issues, constraint violations) are raised via PostgresException which is a subclass of this class. Purely Npgsql-related issues which aren't related to the server will be raised via the standard CLR exceptions (e.g. ArgumentException).
NpgsqlException(string?, Exception?)
Initializes a new instance of the NpgsqlException class with a specified error message and a reference to the inner exception that is the cause of this exception.
Declaration
public NpgsqlException(string? message, Exception? innerException)
Parameters
Type | Name | Description |
---|---|---|
string? | message | The error message that explains the reason for the exception. |
Exception? | innerException | The exception that is the cause of the current exception, or a null reference ( |
Remarks
PostgreSQL errors (e.g. query SQL issues, constraint violations) are raised via PostgresException which is a subclass of this class. Purely Npgsql-related issues which aren't related to the server will be raised via the standard CLR exceptions (e.g. ArgumentException).
NpgsqlException(string?)
Initializes a new instance of the NpgsqlException class with a specified error message.
Declaration
public NpgsqlException(string? message)
Parameters
Type | Name | Description |
---|---|---|
string? | message | The message that describes the error. |
Remarks
PostgreSQL errors (e.g. query SQL issues, constraint violations) are raised via PostgresException which is a subclass of this class. Purely Npgsql-related issues which aren't related to the server will be raised via the standard CLR exceptions (e.g. ArgumentException).
Properties
| Improve this Doc View SourceBatchCommand
If the exception was thrown as a result of executing a DbBatch, references the DbBatchCommand within the batch which triggered the exception. Otherwise null.
Declaration
public NpgsqlBatchCommand? BatchCommand { get; set; }
Property Value
Type | Description |
---|---|
NpgsqlBatchCommand |
Remarks
PostgreSQL errors (e.g. query SQL issues, constraint violations) are raised via PostgresException which is a subclass of this class. Purely Npgsql-related issues which aren't related to the server will be raised via the standard CLR exceptions (e.g. ArgumentException).
IsTransient
Specifies whether the exception is considered transient, that is, whether retrying the operation could succeed (e.g. a network error or a timeout).
Declaration
public virtual bool IsTransient { get; }
Property Value
Type | Description |
---|---|
bool |
Remarks
PostgreSQL errors (e.g. query SQL issues, constraint violations) are raised via PostgresException which is a subclass of this class. Purely Npgsql-related issues which aren't related to the server will be raised via the standard CLR exceptions (e.g. ArgumentException).