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SourceProvider asynchronous sources

        public override IList GetSource(string sourceName)
        {
            var list = new List<LookupValue>();

            if (!string.IsNullOrEmpty(countryCode))
            {
                var task = CurrentState.Instance.ServiceClient.ListAllProvinces(countryCode);
                var items = task.GetAwaiter().GetResult();
                list.AddRange(items);
            }
            return list;
        }

I want to call an async method from my GetSource provider...is there a documented approach to achieve this? The above code locks and causes the app to stall.

1 Reply

JN Jayaleshwari N Syncfusion Team January 29, 2019 07:24 AM UTC

Hi Mark, 
 
Thanks for contacting Syncfusion Support. 
 
We have checked the reported query “SourceProvider asynchronous sources” from our side. You can refer the following article to get the source as asynchronously. 
 
 
Please let us know if you would require further assistance. 
 
Regards, 
Jayaleshwari N. 


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