Get the Bu Id plugin code

passing the org service and bu name :     

  private Guid getBuid(IOrganizationService crmServ)

        {

            #region get buId

            Guid recordId = new Guid();

            QueryExpression queryExp = new QueryExpression();

            queryExp.EntityName = BusinessUnit.EntityLogicalName;

            queryExp.ColumnSet = new ColumnSet();

            queryExp.ColumnSet.Columns.Add("businessunitid");

            ConditionExpression conExp = new ConditionExpression();

            conExp.AttributeName = "name";

            conExp.Operator = ConditionOperator.Equal;

            conExp.Values.Add("BU name");

            FilterExpression fep = new FilterExpression();

            fep.Conditions.Add(conExp);

            queryExp.Criteria.AddFilter(fep);

            EntityCollection entColl = crmServ.RetrieveMultiple(queryExp);

            {

                foreach (Entity user in entColl.Entities)

                {

                    recordId = (Guid)user["businessunitid"];

                }

            }

            return recordId;

            #endregion

        }