catch block

Returns the name of the stored procedure or trigger where an error occurred that caused the CATCH block of a TRYCATCH construct to be run.

The message is returned as a server error message to the calling application or to an associated CATCH block of a TRY. . . CATCH construct.

Because even deadlock errors can be trapped in the CATCH block , the batch is no longer aborted and T-SQL code can continue to work .

Returns the state number of the error that caused the CATCH block of a TRY. . . CATCH construct to be run.

An attempt was made to pass a data type that does not derive from System. Exception into a catch block.

In the CATCH block of a TRY. . . CATCH construct, the stored procedure is called and information about the error is returned.

When called in a CATCH block, returns the error number of the error message that caused the CATCH block to be run.

This procedure should be executed from within the scope of a CATCH block; otherwise, it will return without inserting error information.

Returns the error number of the error that caused the CATCH block of a TRYCATCH construct to be run.

A TRY block must be immediately followed by an associated CATCH block.

If the error occurs within the scope of a TRY block, execution continues and the CATCH block is not invoked.

In case of an exception, the catch block simply called the exception publisher, then returned the executing thread back to the thread pool.

catch block, and that you call the close method on your connection inside a finally block.

Records all errors in the AdventureWorks database that are caught by the CATCH block of a TRY. CATCH construct.

The code in a CATCH block should test for the state of a transaction by using the XACT_STATE function.

A Catch block by itself will catch all exceptions derived from Exception, and therefore should always be the last block before Finally.

Error information can be retrieved by using these functions from anywhere within the scope of the CATCH block.

To handle an error that occurs within a given CATCH block, write a TRY. . . . CATCH block within the specified CATCH block.

GOTO can also be used to exit a TRY block or a CATCH block; however, GOTO cannot be used to enter a TRY block or a CATCH block.

Each try must have at least one corresponding catch block.

If a Try statement does not contain at least one Catch block, it must contain a Finally block.

RAISERROR can be used in either the TRY or CATCH block of a TRY. . . CATCH construct to affect error-handling behavior.

A TRY. . . CATCH construct consists of two parts: a TRY block and a CATCH block.

ERROR_STATE may be called anywhere within the scope of a CATCH block.

I suggest creating a method that logs exception information and calling that method in the catch block of your exception blocks.

The 1205 deadlock victim error can be caught by the CATCH block and the transaction can be rolled back until the threads become unlocked.

The purpose of a try-catch block is to catch and handle an exception generated by working code.

When the control reaches the catch block, a SOAP request is prepared using a cached body, and a Web service is invoked.

Prints error information about the error that caused execution to jump to the CATCH block of a TRY. CATCH construct.

Notice how the mail object defined in the catch block takes a closure that defines the from, to, and message attributes.

This table is populated when the stored procedure uspLogError is executed in the scope of the CATCH block of a TRY. . . CATCH construct.

In nested CATCH blocks, ERROR_STATE returns the error state specific to the scope of the CATCH block in which it is referenced.

If so, the current driver does not add the catch block for any custom exception thrown by the Web service.

This technique handles the specific exception before it is passed to a more general catch block.

When called in a CATCH block, returns the stored procedure name where the error occurred.

Within the nested CATCH block, ERROR_STATE returns the state from the error that invoked the nested CATCH block.

If the stored procedure contains a TRY. . . CATCH construct, the error transfers control to the CATCH block in the stored procedure.

The catch block associated with that filter runs after the finally statement.

Within the nested CATCH block, these functions return information about the error that invoked the inner CATCH block.

These functions return information about the error that caused the CATCH block to be invoked.

Errors trapped by a CATCH block are not returned to the calling application.

By doing this, you do not have to repeat the error handling code in every CATCH block.

This procedure modifies the code to include error handling by wrapping the update call in a try-catch block.

First, multiple exception types can be named as being handled by a single catch block.

Is executed within the scope of a CATCH block.

A TRY block must be followed immediately by a CATCH block.

The code also implements error handling by wrapping the update call in a try-catch block.

However, an object with automatic storage created in a try or catch block will be destroyed.

If no catch block specifies a matching exception filter, then a catch block with no filter (if any) will be executed.

The error will be handled by the CATCH block, which uses a stored procedure to return error information.

If the CATCH block contains a nested TRYCATCH construct , any error in the nested TRY block will pass control to the nested CATCH block .

If ERROR_SEVERITY is run in the outer CATCH block, it returns the severity from the error that invoked that CATCH block.

If an appropriate catch block is found, the program counter is reset to the first line of code in that block.

Cannot be caught by a try-catch block.

Return error information from the CATCH block to the calling batch or application.

The same functions in the outer CATCH block would return information about the error that invoked that CATCH block.

In this way, RAISERROR can be used to return information to the caller about the error that caused the CATCH block to execute.

Control flow can never reach a Catch block that follows a Catch without an exception argument.

The error functions will return NULL if called outside the scope of a CATCH block.

The deadlock victim error will cause execution to jump to the CATCH block and the transaction will enter an uncommittable state.

A catch block can catch exceptions thrown by a JScript program.

In this catch block, the saved request body is used to prepare a SOAP request to invoke the Web service again.

Gets or sets the type of the exception to handle with the catch block.

In this case, you'll need to surround your code with a try catch block.

Gets the statements within the catch block.

Cause execution to jump from a TRY block to the associated CATCH block.

A Catch block in the code cannot be reached because it is handled in a preceding Try block.

Now when the control reaches the throw RemoteException, a remote exception will be thrown and the flow will enter into the catch block.

The error causes execution to jump to the associated CATCH block.

Use a try-catch block around any statements that might generate errors.

The code in the catch block rolls back the transaction if an exception is thrown.

A CATCH block starts with the BEGIN CATCH statement and ends with the END CATCH statement.

ERROR_STATE returns the error state regardless of how many times it is run, or where it is run within the scope of the CATCH block.

The following example shows how a TRY. . . CATCH block works inside a transaction.

The first catch block that species the exact type or a base class of the thrown exception will be executed.

If an error occurs in the TRY block, control is passed to another group of statements that is enclosed in a CATCH block.

This error causes execution to transfer to the CATCH block.

Clean up any existing objects, so that code that runs after the catch block does not fail.

The code inside the CATCH block executes the uspPrintError stored procedure.

Returns NULL if called outside the scope of a CATCH block.

PMD flagged this as an empty catch block.

If there is an error in the code that is enclosed in a TRY block, control passes to the first statement in the associated CATCH block.

If a ClassLoadException error occurs, the code within the specified Catch block is executed.

Specify a severity of 10 or lower to use RAISERROR to return a message from a TRY block without invoking the CATCH block.

To change the flow of execution, GOTO can be used within a TRY block or a CATCH block.

Exit Try can be used only inside a Try or Catch block, and not inside a Finally block.

Either a TRY block or a CATCH block can contain nested TRY. . . CATCH constructs.

Catch block can specify an exception type to catch.

RAISERROR that has a severity 20 or higher closes the database connection without invoking the CATCH block.

These functions return NULL if they are called outside the scope of the CATCH block.

This Try. Catch block is designed to catch and rethrow all exceptions.

When Derby shuts down a database, it throws an SQLException with an SQLState of 08006, which is why the catch block ignores this exception.

Specify a severity of 10 or lower to return messages using RAISERROR without invoking a CATCH block.

If a catch block merely re-throws the exception, the block is unnecessary.

The following code example shows how to use RAISERROR inside a TRY block to cause execution to jump to the associated CATCH block.

RAISERROR that has a severity of 11 to 19 executed inside a TRY block causes control to transfer to the associated CATCH block.

This is why the catch block contains calls to EIS1 transactions that cancel updates to the order and billing systems.

RAISERROR that has a severity of 11 to 19 executed inside a CATCH block returns an error to the calling application or batch.

This problem occurs even if you have set a catch block to handle the exception.

It also shows how to use RAISERROR to return information about the error that invoked the CATCH block.

For example, a CATCH block can contain an embedded TRY. . . CATCH construct to handle errors encountered by the CATCH code.

Because the value of value is out of range, an exception is thrown that is caught in the catch block.

For example, the CATCH block of an outer TRY. CATCH construct could have a nested TRY. CATCH construct.

For example, the CATCH block of a TRYCATCH construct could contain a nested TRYCATCH construct.

For example, you cannot place a TRY block in one batch and the associated CATCH block in another batch.

This can occur, for example, if you have edited code inside a catch block.

Exception blocks can be combined into a single multi-catch block

Cleanup Code Must Be in a finally or a catch Block, Not Following a catch

Using Specific Exceptions in a Catch Block

You should always wrap data access calls in a Try. Catch block, as in the following example

Consider using a local catch block to clean up memory

When called in a CATCH block

Only from a Catch block of the same construction 1

Error Filtering in the Catch Block

How to: Use Specific Exceptions in a Catch Block

How to: Test Code with a Try. . . Catch Block in Visual Basic

How to: Filter Errors in a Catch Block in Visual Basic