#r "Newtonsoft.Json"

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#r "System.Configuration"

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using System;

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using System.Data;

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using System.Net;

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using Newtonsoft.Json;

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using System.Data.SqlClient;

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using Microsoft.Extensions.Configuration;

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using System.Configuration;

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using Microsoft.AspNetCore.Mvc;

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using Microsoft.Extensions.Primitives;

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public  static  async Task<object> Run(HttpRequestMessage req, ILogger log)

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{

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string responseMessage;

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//We retrieve the id field, which comes as a parameter to the function, by deserializing req.Content.

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string jsonContent = await req.Content.ReadAsStringAsync();

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dynamic data = JsonConvert.DeserializeObject(jsonContent);

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//If there is no username, we return the error message.

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var connectionString = Environment.GetEnvironmentVariable("SqlConnection", EnvironmentVariableTarget.Process);

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//Azure SQLDB Log

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var logAdded = true;

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try

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{

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//We get the Connection String in the Function App Settings section we defined.

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using(SqlConnection connection = new SqlConnection(connectionString))

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{

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//Opens Azure SQL DB connection.

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connection.Open();

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string qs = $"SELECT * FROM [dbo].[Persons] where [Personid] = 1";

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SqlCommand command = new SqlCommand(qs, connection);

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string queryop = "";

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using (SqlDataReader reader = command.ExecuteReader())

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{

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queryop = sqlDatoToJson(reader);

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}

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responseMessage = (queryop);

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connection.Close();

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}

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}

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catch(Exception e)

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{

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logAdded = false;

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log.LogError(e.ToString());

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responseMessage = e.ToString();

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// connection.Close();

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}

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return  new OkObjectResult(responseMessage);

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}

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static String sqlDatoToJson(SqlDataReader dataReader)

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// transform the returned data to JSON

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{

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var dataTable = new DataTable();

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dataTable.Load(dataReader);

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string JSONString = string.Empty;

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JSONString = JsonConvert.SerializeObject(dataTable);

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return JSONString;

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}