Insert stored procedure with output parameter

Hello everyone.

I need a stored procedure that excecutes a INSERT sentence.
That's easy. Now, what I need is to return a the key value of the just inserted record.

Someone does know how to do this?

In you SP use:

return SCOPE_IDENTITY()

Then in C# code:

comm = new SqlCommand("InsertANewRequest", conn);

comm.CommandType = CommandType.StoredProcedure;

SqlParameter newReqNumber = new SqlParameter("@.RETURN_VALUE", SqlDbType.Int);

comm.Parameters.Add(newReqNumber);

newReqNumber.Direction = ParameterDirection.ReturnValue;

try

{

// Open the connection

conn.Open();

// Execute the command

comm.ExecuteNonQuery();

int newReq = Convert.ToInt32(newReqNumber.Value);

}

|||

Thanks a lot!

While you posted this I solved it out using SELECT @.@.Identity

Is there any diference with the solution you gave me?

|||

Quote from BOL:

SCOPE_IDENTITY, IDENT_CURRENT, and @.@.IDENTITY are similar functions because they return values that are inserted into identity columns.

IDENT_CURRENT is not limited by scope and session; it is limited to a specified table. IDENT_CURRENT returns the value generated for a specific table in any session and any scope. For more information, see IDENT_CURRENT (Transact-SQL).

SCOPE_IDENTITY and @.@.IDENTITY return the last identity values that are generated in any table in the current session. However, SCOPE_IDENTITY returns values inserted only within the current scope; @.@.IDENTITY is not limited to a specific scope.

|||

Konstantin Kosinsky wrote:

In you SP use:

return SCOPE_IDENTITY()

Then in C# code:

comm = new SqlCommand("InsertANewRequest", conn);

comm.CommandType = CommandType.StoredProcedure;

SqlParameter newReqNumber = new SqlParameter("@.RETURN_VALUE", SqlDbType.Int);

comm.Parameters.Add(newReqNumber);

newReqNumber.Direction = ParameterDirection.ReturnValue;

try

{

// Open the connection

conn.Open();

// Execute the command

comm.ExecuteNonQuery();

int newReq = Convert.ToInt32(newReqNumber.Value);

}