public List<Entity> GetEntitiesCollection(IOrganizationService service, string entityName, ColumnSet col)
{
try
{
QueryExpression query = new QueryExpression
{
EntityName = entityName,
ColumnSet = col
};
var testResult = service.RetrieveMultiple(query);
var testResultSorted = testResult.Entities.OrderBy(x => x.LogicalName).ToList();
foreach (Entity res in testResultSorted)
{
var keySorted = res.Attributes.OrderBy(x => x.Key).ToList();
DataRow dr = null;
dr = dt.NewRow();
foreach (var attribute in keySorted)
{
try
{
if (attribute.Value.ToString() == "Microsoft.Xrm.Sdk.OptionSetValue")
{
var valueofattribute = GetoptionsetText(entityName, attribute.Key, ((Microsoft.Xrm.Sdk.OptionSetValue)attribute.Value).Value, _service);
dr[attribute.Key] = valueofattribute;
}
else if (attribute.Value.ToString() == "Microsoft.Xrm.Sdk.EntityReference")
{
dr[attribute.Key] = ((Microsoft.Xrm.Sdk.EntityReference)attribute.Value).Name;
}
else
{
dr[attribute.Key] = attribute.Value;
}
}
catch (Exception ex)
{
Response.Write("<br/>optionset Error is :" + ex.Message);
}
}
dt.Rows.Add(dr);
}
return testResultSorted;
}
catch (Exception ex)
{
Response.Write("<br/> Error Message : " + ex.Message);
return null;
}
}
//这里我提到了另一个函数:
var valueofattribute = GetoptionsetText(entityName, attribute.Key, ((Microsoft.Xrm.Sdk.OptionSetValue)attribute.Value).Value, _service);
//这个函数的定义如下:
public static string GetoptionsetText(string entityName, string attributeName, int optionSetValue, IOrganizationService service)
{
string AttributeName = attributeName;
string EntityLogicalName = entityName;
RetrieveEntityRequest retrieveDetails = new RetrieveEntityRequest
{
EntityFilters = EntityFilters.All,
LogicalName = entityName
};
RetrieveEntityResponse retrieveEntityResponseObj = (RetrieveEntityResponse)service.Execute(retrieveDetails);
Microsoft.Xrm.Sdk.Metadata.EntityMetadata metadata = retrieveEntityResponseObj.EntityMetadata;
Microsoft.Xrm.Sdk.Metadata.PicklistAttributeMetadata picklistMetadata = metadata.Attributes.FirstOrDefault(attribute => String.Equals(attribute.LogicalName, attributeName, StringComparison.OrdinalIgnoreCase)) as Microsoft.Xrm.Sdk.Metadata.PicklistAttributeMetadata;
Microsoft.Xrm.Sdk.Metadata.OptionSetMetadata options = picklistMetadata.OptionSet;
IList<OptionMetadata> OptionsList = (from o in options.Options
where o.Value.Value == optionSetValue
select o).ToList();
string optionsetLabel = (OptionsList.First()).Label.UserLocalizedLabel.Label;
return optionsetLabel;
}