c# - any reason since formula duty correctly?

for reason, domain 1 works nonetheless domain 2 does not. run opposing method (2 before 1), domain 1 (affiliation) run during all. information same.

//section 1

            userservice.dsuserattributes dsaffiliation = us_service.getuserattributedropdown(systemid, "affiliation");
            affiliation.datasource = dsaffiliation.tbldropdownvalues;
            affiliation.datatextfield = "attrvalue";
            affiliation.datavaluefield = "id";
            affiliation.databind();                

//section 2                 
            userservice.dsuserattributes dscountry = us_service.getuserattributedropdown(systemid, "country");
            country.datasource = dscountry.tbldropdownvalues;
            country.datatextfield = "attrvalue";
            country.datavaluefield = "id";
            country.databind();