How to connect to SQL Server with windows authentication from Node.JS using mssql module

Question

Hi I\'m unable to connect to SQL server that is using windows authentication in node js. I\'m using the mssql module. The error message is :

[ConnectionError         


        

Answer 1

This version doesn't need a username or password.

To use windows authentication I installed mssql and msnodesqlv8.

Then in my app.js file:

const mssql = require('mssql/msnodesqlv8'); 

Note it is mssql not sql if you're using this example.

var config = {
  database:'YOUR DATABASE NAME',  
  server: 'localhost\\SQLEXPRESS',
  driver: 'msnodesqlv8',
  options: {
    trustedConnection: true,
    enableArithAbort: true
  }
};

You need to change the database name in config. Other than that it should work. My example:

app.get('/', function (req, res) {

        mssql.connect(config, function (err) {
    
            if (err) console.log(err);
            var request = new mssql.Request();
            request.query('select * from dbo.visit', function (err,  result) {
                if(err) console.log(err);
                console.log(result);
            });
    
        });
    
 });