public DataSet GetGradeNumber()
{
DataSet dsGradeNumber = null;
using (GradesDataAccess gradesDataAccess = new GradesDataAccess())
{
dsGradeNumber = gradesDataAccess.GetGradeNumber();
}
return dsGradeNumber;
}
public DataSet GetClassNumber(string gradeName)
{
DataSet dsClassNumber = null;
using (GradesDataAccess gradesDataAccess = new GradesDataAccess())
{
dsClassNumber = gradesDataAccess.GetClassNumber(gradeName);
}
return dsClassNumber;
}
public DataSet GetGradeInfo(int gradeID)
{
DataSet gradeInfo;
using (GradesDataAccess gradesDataAccess = new GradesDataAccess())
{
gradeInfo = gradesDataAccess.GetGradeInfo(gradeID);
}
return gradeInfo;
}
public DataSet GetGradeInfoList(int index)
{
DataSet gradeInfoList;
using (GradesDataAccess gradesDataAccess = new GradesDataAccess())
{
gradeInfoList = gradesDataAccess.GetGradeInfoList(index);
}
return gradeInfoList;
}
public int DeleteGradeInfo(int gradeID)
{
int rowsAffected = 0;
using(GradesDataAccess gradesDataAccess = new GradesDataAccess())
{
rowsAffected = gradesDataAccess.DeleteGradeInfo(gradeID);
}
return rowsAffected;
}
public int UpdateGradeInfo(Grade grade)
{
int rowsAffected = 0;
using(GradesDataAccess gradesDataAccess = new GradesDataAccess())
{
rowsAffected = gradesDataAccess.UpdateGradeInfo(grade);
}
return rowsAffected;
}