public int AddGradeInfo(gradeInfo gr)
{
HelperSearch h = new HelperSearch();
try
{
if (h.checkUniqGrade(gr.gradeName) == 1)
{
gr.deleted = false;
db.gradeInfos.InsertOnSubmit(gr);
db.SubmitChanges();
return gr.gradeCode;
}
else
{
return 0;
}
}
catch (Exception error)
{
return 3;
}
}
