mysql get last inserted id

-- For mysql
INSERT INTO table_name (col1, col2,...) VALUES ('val1', 'val2'...);
SELECT LAST_INSERT_ID();

$this_id = mysqli_insert_id($db);

-- To get the last inserted auto-increment row ID: --
SELECT LAST_INSERT_ID( optional_expression )

-- If you have just inserted it using a command in C# use: --
int lastId = (Int32)yourCommand.LastInsertedId;