Ndtyjky

I am working on a new web app and I am trying to connect to an existing Azure table storage.

using System.Web.Mvc;

using Microsoft.Azure;

using Microsoft.WindowsAzure.Storage;

using Microsoft.WindowsAzure.Storage.Table;

using System;



namespace WebApplication3.Controllers

{

public class GetEmailAddressesController : Controller

{

   public ActionResult Address()

    {

        string emails = "";



        // Parse the connection string and return a reference to the storage account.

        CloudStorageAccount storageAccount = CloudStorageAccount.Parse(

            CloudConfigurationManager.GetSetting("________"));



        // Create the table client.

        CloudTableClient tableClient = storageAccount.CreateCloudTableClient();



        CloudTable table = tableClient.GetTableReference("experimentsEmailAddresses");



        // Construct a table query.

        TableQuery<TableData> query = new TableQuery<TableData>();



        foreach (TableData entity in table.ExecuteQuery(query))

        {

            emails += entity.Email + ";";



        }



        ViewBag.Message = " " + emails;

        return View();

    }



}

} 

The code will compile but when I run it on debug mode I get an error:

System.ArgumentNullException: 'Value cannot be null. Parameter name: connectionString'

i.e my connection string isn't valid, Although I copied it from the Access keys in Azure.

What is the best solution for that?

I think you should change:

CloudStorageAccount storageAccount = CloudStorageAccount.Parse(

        CloudConfigurationManager.GetSetting("________"));

To:

CloudStorageAccount storageAccount = CloudStorageAccount.Parse(

        CloudConfigurationManager.GetSetting("StorageConnectionString"));

Hope it helps!

I changed

CloudStorageAccount storageAccount = CloudStorageAccount.Parse(

    CloudConfigurationManager.GetSetting("StorageConnectionString"));

to

CloudStorageAccount storageAccount = cloudStorageAccount.Parse("StorageConnectionString");

And it seems to work perfectly.