Unable to cast object of type ‘Microsoft.Xrm.Sdk.OptionSetValue’ to type ‘System.String’

 Unable to cast object of type ‘Microsoft.Xrm.Sdk.OptionSetValue’ to type ‘System.String’

if you facing OptionSetValue Cast error in your Plugin use this code to resolve the problem

 OptionSetValue learnerAggrementoptionSetValue = guids.GetAttributeValue<OptionSetValue>(“vwi_learneragreementtype”);

 

if (learnerAggrementoptionSetValue != null)

{

int selectedOptionValue = learnerAggrementoptionSetValue.Value;

}