API CRM connection not working for XRM.SDK.dll(8.0)

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Posted on by windyMill

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Hi friends I need to change the code which connects API to CRM. Iam using XRM.SDK dll to connect CRM with XRM.SDL.DLL(7.0) Now I replaced this dll with 8.0 version due to this following code not working

using Microsoft.Xrm.Sdk;
using Microsoft.Xrm.Client.Services;
using Microsoft.Xrm.Client;
using System.Configuration;
using System.IO;

namespace CRMServiceAPI
{
class CRMHelperClass
{
public static OrganizationService GetCRMService()
{
CrmConnection crmconnection = new CrmConnection("CRM");
return new OrganizationService(crmconnection);
}

}

</connectionStrings>

Can you guys advice me what code I must change here.

Regards,

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Michel van den Brink 4,697 on at

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RE: API CRM connection not working for XRM.SDK.dll(8.0)

Hello windyMill,

Please take another closer look at my code example. You are entering a string value into the constructor, where as my code example is using a variable, which contains the full connection string.

// Get ConnectionString as string string connectionString = System.Configuration.ConfigurationManager.ConnectionStrings["Dynamics365Connection"].ConnectionString;
// Create client by passing connectionstring CrmServiceClient client = new Microsoft.Xrm.Tooling.Connector.CrmServiceClient(connectionString);
windyMill 437 on at

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RE: API CRM connection not working for XRM.SDK.dll(8.0)

Hi Michel,

Thanks for your code but I am getting following error in line

"var client = new Microsoft.Xrm.Tooling.Connector.CrmServiceClient("Dynamics365Connection");"

</connectionStrings>

<add name="Dynamics365Connection" connectionString="AuthType=Office365;Username=xxxx; Password='zzzz'; Url=https://kkk.api.dynamics.com; RequireNewInstance=True;" />

</connectionStrings>

Error-

"An unhandled exception of type 'System.ArgumentNullException' occurred in Microsoft.Xrm.Tooling.Connector.dll

Additional information: Organization cannot be null or empty."
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Michel van den Brink 4,697 on at

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RE: API CRM connection not working for XRM.SDK.dll(8.0)

Hey windyMill,

Sure thing.

Let's assume you have this ConnectionString in your app.config file

<connectionStrings> <add name="Dynamics365Connection" connectionString="AuthType=Office365;Username=jsmith@contoso.onmicrosoft.com; Password='enterpasswordhere';Url=contoso.crm.dynamics.com;RequireNewInstance=True;" /> </connectionStrings> ]

Then you can connect to Dynamics 365 (CRM) with this snippet:

// Get ConnectionString as string string connectionString = System.Configuration.ConfigurationManager.ConnectionStrings["Dynamics365Connection"].ConnectionString;// Create client var client = new Microsoft.Xrm.Tooling.Connector.CrmServiceClient(connectionString); // Make sure it's connected and ready for use if (client.IsReady) { // TODO: Add your code here } else { // If it's not ready that means the connection failed, report the error Console.Error.WriteLine("Failed to connect!"); if (client.LastCrmException != null) { Console.Error.WriteLine(client.LastCrmException.Message); } else if (client.LastCrmError != null) { Console.Error.WriteLine(client.LastCrmError); } }
windyMill 437 on at

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RE: API CRM connection not working for XRM.SDK.dll(8.0)

Thanks for your reply Michel .

But I am not getting how implement it my code. Can you pls give me a code snippet . So that i can pull credential from app config and use to connect CRM
Aric Levin - MVP 30,188 Moderator on at

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RE: API CRM connection not working for XRM.SDK.dll(8.0)

What version of CRM are you running?

If you are running CRM 8.0-8.2 download the appropriate sdk from the Microsoft web site:

www.microsoft.com/.../details.aspx

If you are running CRM 9.0 or above, download the sdk via the nuget packages listed below:

docs.microsoft.com/.../download-tools-nuget

Hope this helps.
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gdas 50,091 Moderator on at

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RE: API CRM connection not working for XRM.SDK.dll(8.0)

Hi,

Which version of crm are you using .

Please check the release history based on sdk version better to use.

msdn.microsoft.com/.../dn481567.aspx

Please check accordingly.
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Michel van den Brink 4,697 on at

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RE: API CRM connection not working for XRM.SDK.dll(8.0)

Hello,

This SDK is an outdated version which might not be the best fit for your use case.

Take a look at the new XrmTooling library from Microsoft, which is becoming the recommended way to connect to Dynamics 365 in C#

For this you ceal use the Microsoft.CrmSdk.XrmTooling.CoreAssembly NuGet package

https://www.nuget.org/packages/Microsoft.CrmSdk.XrmTooling.CoreAssembly/

How to use it:

https://docs.microsoft.com/en-us/dynamics365/customer-engagement/developer/xrm-tooling/use-crmserviceclient-constructors-connect

https://docs.microsoft.com/en-us/dynamics365/customer-engagement/developer/xrm-tooling/use-connection-strings-xrm-tooling-connect