public string SaveCourseAssignManager(CourseAssignModel courseAssignModel)
{
if (courseAssignGateway.IsExistCourseGateway(courseAssignModel) == null)
{
if (courseAssignGateway.SaveCourseAssignGateway(courseAssignModel) > 0)
{
return("Save Successfull");
}
else
{
return("Save Fail");
}
}
else
{
return(courseAssignGateway.IsExistCourseGateway(courseAssignModel));
}
}