How to insert a record and return the newly created ID using a single SqlCommand?

Question

I\'m using an SqlCommand object to insert a record into a table with an autogenerated primary key. How can I write the command text so that I get the newly created ID when I

Answer 1

Add an output parameter to the command object and then set the value to the new ID in the stored procedure.

Stored Procedure:

@ID AS INT OUTPUT

[Insert Command]

SET @ID = SCOPE_IDENTITY()

.NET:

cmd.CommandText = "stored_procedure";

SqlParameter pID = new SqlParameter("ID", DBType.Int32, 4);

pID.Direction = ParameterDirection.Output;

cmd.ExecuteScalar();

int id = Convert.ToInt32(cmd.Parameters["ID"].Value.ToString());