connect to sql server with sqlsrv

Try using 127.0.0.1 as the hostname. If that still fails, check your recent log file in the writable/logs/ folder. Check for the log record with "ERROR -->"

my error log is:

Code:

ERROR - 2021-02-09 00:38:04 --> Error connecting to the database: Call to undefined function CodeIgniter\Database\SQLSRV\sqlsrv_connect()
CRITICAL - 2021-02-09 00:38:04 --> Unable to connect to the database.
#0 D:\xampp\htdocs\aradco\system\Database\BaseConnection.php(618): CodeIgniter\Database\BaseConnection->initialize()
#1 D:\xampp\htdocs\aradco\system\Database\SQLSRV\Builder.php(648): CodeIgniter\Database\BaseConnection->query('SELECT *\nFROM "...', Array, false)
#2 D:\xampp\htdocs\aradco\app\Models\Admin\Personnel\M_Personnel.php(13): CodeIgniter\Database\SQLSRV\Builder->get()
#3 D:\xampp\htdocs\aradco\app\Controllers\Admin\Personnel\Personnel.php(33): App\Models\Admin\Personnel\M_Personnel->canlogin('11578', '1')
#4 D:\xampp\htdocs\aradco\system\CodeIgniter.php(936): App\Controllers\Admin\Personnel\Personnel->Login()
#5 D:\xampp\htdocs\aradco\system\CodeIgniter.php(432): CodeIgniter\CodeIgniter->runController(Object(App\Controllers\Admin\Personnel\Personnel))
#6 D:\xampp\htdocs\aradco\system\CodeIgniter.php(333): CodeIgniter\CodeIgniter->handleRequest(NULL, Object(Config\Cache), false)
#7 D:\xampp\htdocs\aradco\public\index.php(44): CodeIgniter\CodeIgniter->run()
#8 {main}