private void selectGradeLevelComboBox_SelectedIndexChanged(object sender, EventArgs e)
{
GradeManager aGradeManager = new GradeManager();
Grade aGrade = new Grade();
aGrade.BasicAmount = aGradeManager.Get((int)selectGradeLevelComboBox.SelectedValue).BasicAmount;
aGrade.MedicalAllowance = aGradeManager.Get((int)selectGradeLevelComboBox.SelectedValue).MedicalAllowance;
aGrade.HouseRent = aGradeManager.Get((int)selectGradeLevelComboBox.SelectedValue).HouseRent;
totalSalaryTextBox.Text = aGrade.GetTotalSalary().ToString();
gradeId = (int) selectGradeLevelComboBox.SelectedValue;
}
private void saveButton_Click(object sender, EventArgs e)
{
Grade aGrade = new Grade();
aGrade.GradeLevel = gradeLevelTextBox.Text;
aGrade.BasicAmount = Convert.ToDouble(basicAmountTextBox.Text);
aGrade.MedicalAllowance = Convert.ToDouble(medicalAllowanceTextBox.Text);
aGrade.HouseRent = Convert.ToDouble(houseRentTextBox.Text);
GradeManager aGradeManager = new GradeManager();
string msg = aGradeManager.Save(aGrade);
MessageBox.Show(msg);
}
public Grade Get(int gradeId)
{
string query = "SELECT * FROM t_grade WHERE id = '" + gradeId + "'";
SqlConnection sqlConnection = new SqlConnection(connectionString);
sqlConnection.Open();
SqlCommand sqlCommand = new SqlCommand(query, sqlConnection);
SqlDataReader sqlDataReader = sqlCommand.ExecuteReader();
if (sqlDataReader.HasRows)
{
sqlDataReader.Read();
Grade aGrade = new Grade();
aGrade.GradeLevel = sqlDataReader[1].ToString();
aGrade.BasicAmount = Convert.ToDouble(sqlDataReader[2]);
aGrade.MedicalAllowance = Convert.ToDouble(sqlDataReader[3]);
aGrade.HouseRent = Convert.ToDouble(sqlDataReader[4]);
sqlConnection.Close();
return aGrade;
}
sqlConnection.Close();
return null;
}
public List<Grade> GetAll()
{
string query = "SELECT * FROM t_grade";
SqlConnection sqlConnection = new SqlConnection(connectionString);
sqlConnection.Open();
SqlCommand sqlCommand = new SqlCommand(query, sqlConnection);
SqlDataReader sqlDataReader = sqlCommand.ExecuteReader();
List<Grade> grades = new List<Grade>();
while (sqlDataReader.Read())
{
Grade aGrade = new Grade();
aGrade.Id = Convert.ToInt32(sqlDataReader[0]);
aGrade.GradeLevel = sqlDataReader[1].ToString();
aGrade.BasicAmount = Convert.ToDouble(sqlDataReader[2]);
aGrade.MedicalAllowance = Convert.ToDouble(sqlDataReader[3]);
aGrade.HouseRent = Convert.ToDouble(sqlDataReader[4]);
grades.Add(aGrade);
}
sqlConnection.Close();
return grades;
}
public string Save(Grade aGrade)
{
string query = "INSERT INTO t_grade VALUES ('" + aGrade.GradeLevel + "'," + aGrade.BasicAmount + "," + aGrade.MedicalAllowance + "," + aGrade.HouseRent + ")";
SqlConnection sqlConnection = new SqlConnection(connectionString);
sqlConnection.Open();
SqlCommand sqlCommand = new SqlCommand(query, sqlConnection);
sqlCommand.ExecuteNonQuery();
sqlConnection.Close();
return "Grade saved";
}
public string Save(Grade someGrade)
{
return aGradeGateway.Save(someGrade);
}
