private void btnSave_Click(object sender, EventArgs e)
{
Valid mark = new Valid(Convert.ToInt16(txtKn.Text), Convert.ToInt16(txtApp.Text), Convert.ToInt16(txtTh.Text), Convert.ToInt16(txtCom.Text));//uses enpasulation to figure out if mark is valid or not
if (mark.Mark == 0)
{
MessageBox.Show("Invalid Mark");
connection.Close();
}
else
{
connection.Open();
OleDbCommand command = new OleDbCommand();
command.Connection = connection;
string query = "UPDATE tblTest1 SET Knowledge='" + txtKn.Text + "' ,Application='" + txtApp.Text + "' ,Thinking='" + txtCom.Text + "' ,Communication='" + txtTh.Text + "' where StuID=" + lblStu.Text + "";//update the data in the database
command.CommandText = query;
command.ExecuteNonQuery();
connection.Close();
MessageBox.Show("Data Edited");
double average = weighting();
if (average != -1)//this uses the method to check basically what -1 means is that the numbers dont add up to 100
{
try
{
connection.Open();
command.Connection = connection;
int editMark = Convert.ToInt16(lblMarkNum.Text);
if (editMark == 1)//updating all the marks in the main mark book
{
command.CommandText = "UPDATE tblMarks SET Mark1=" + average + " where StuID =" + lblStu.Text + "";
}
else if (editMark == 2)
{
command.CommandText = "UPDATE tblMarks SET Mark2=" + average + " where StuID =" + lblStu.Text + "";
}
else if (editMark == 3)
{
command.CommandText = "UPDATE tblMarks SET Mark3=" + average + " where StuID =" + lblStu.Text + "";
}
else if (editMark == 4)
{
command.CommandText = "UPDATE tblMarks SET Mark4=" + average + " where StuID =" + lblStu.Text + "";
}
else if (editMark == 5)
{
command.CommandText = "UPDATE tblMarks SET Mark5=" + average + " where StuID =" + lblStu.Text + "";
}
command.ExecuteNonQuery();
connection.Close();
this.returnA = average;//passes it back fo it can be displayed instead of opening another connection
}
catch
{
MessageBox.Show("Error");
}
}
else
{
MessageBox.Show("Weightings do not equal 100");
connection.Close();
}
this.Close();
}
}
private void BtnSave_Click(object sender, EventArgs e)
{
int count = 0;
int x;
if (string.IsNullOrWhiteSpace(txtFirst.Text) || string.IsNullOrWhiteSpace(txtLast.Text) || string.IsNullOrWhiteSpace(txtUser.Text) || string.IsNullOrWhiteSpace(txtPass.Text) || string.IsNullOrWhiteSpace(txtDay.Text) || string.IsNullOrWhiteSpace(txtMonth.Text) || string.IsNullOrWhiteSpace(txtYear.Text))//check if everything is full
{
MessageBox.Show("Not all information has been submitted. Please Try Again.");
}
else
{
if (int.TryParse(txtDay.Text, out x))//makes sure all of it is the right data type
{
if (int.TryParse(txtMonth.Text, out x))
{
if (int.TryParse(txtYear.Text, out x))
{
if (int.TryParse(txtFirst.Text, out x))
{
}
else
{
if (int.TryParse(txtFirst.Text, out x))
{
}
else
{
count = 1;
}
}
}
}
}
if (count == 0)
{
MessageBox.Show("Error is the data input");
}
if (count == 1)//if it is
{
connection.Open();
OleDbCommand command = new OleDbCommand();
command.Connection = connection;
int month = Convert.ToInt16(txtMonth.Text);
string DOBM = "";
Valid date = new Valid(Convert.ToInt16(txtDay.Text), month);//makes sure day and month is valid eg only 12 months
if (date.Day == 0 || date.Month == 0)
{
MessageBox.Show("Invalid date");
connection.Close();
}
else
{
count++;
if (month == 01)//in data base its writeen with letters so change months to 3 letters
{
DOBM = "Jan";
}
else if (month == 02)
{
DOBM = "Feb";
}
else if (month == 03)
{
DOBM = "Mar";
}
else if (month == 04)
{
DOBM = "Apr";
}
else if (month == 05)
{
DOBM = "May";
}
else if (month == 06)
{
DOBM = "Jun";
}
else if (month == 07)
{
DOBM = "Jul";
}
else if (month == 08)
{
DOBM = "Aug";
}
else if (month == 09)
{
DOBM = "Sep";
}
else if (month == 10)
{
DOBM = "Oct";
}
else if (month == 11)
{
DOBM = "Nov";
}
else if (month == 12)
{
DOBM = "Dec";
}
}
if (count == 2)
{
try
{
string DOB = txtDay.Text + "-" + DOBM + "-" + txtYear.Text; //puts the three boxes together
command.CommandText = "INSERT into tblStudents (FirstName,LastName,UserName,[Password],DOB) values('" + txtFirst.Text + "','" + txtLast.Text + "','" + txtUser.Text + "','" + txtPass.Text + "','" + DOB + "')"; //inserts new into into database
command.ExecuteNonQuery();
connection.Close();
connection.Open();
command.CommandText = "SELECT StuId FROM tblStudents WHERE UserName='******'";//gets the stuid so it can be refrensced later
OleDbDataReader reader = command.ExecuteReader();
int stuId = 0;
while (reader.Read())
{
stuId = Convert.ToInt16(reader["StuID"]);
}
lblStu.Text = Convert.ToString(stuId);
MessageBox.Show("This information has been added to the database.");
buttonChange(true);//unlocks the buttons
}
catch
{
MessageBox.Show("Error");
connection.Close();
}
}
}
}
}
private void btnSave2_Click(object sender, EventArgs e)
{
Valid mark = new Valid(Convert.ToInt16(txtKn.Text), Convert.ToInt16(txtApp.Text), Convert.ToInt16(txtTh.Text), Convert.ToInt16(txtCom.Text));//same ass above
if (mark.Mark == 0)
{
MessageBox.Show("Invalid Mark");
connection.Close();
}
else
{
if (string.IsNullOrWhiteSpace(txtKn.Text) || string.IsNullOrWhiteSpace(txtApp.Text) || string.IsNullOrWhiteSpace(txtCom.Text) || string.IsNullOrWhiteSpace(txtTh.Text))//makes sure all info is filled out
{
MessageBox.Show("Not all information has been submitted. Please Try Again.");
}
else
{
int count = 0;
int x;
if (int.TryParse(txtKn.Text, out x))//try parse all the info to make sure its the right type that is inputed
{
if (int.TryParse(txtApp.Text, out x))
{
if (int.TryParse(txtCom.Text, out x))
{
if (int.TryParse(txtTh.Text, out x))
{
count = 1;
}
}
}
}
if (count == 0)
{
MessageBox.Show("Error is the data input");
}
if (count == 1)//if iit is then it will continue the code
{
try
{
connection.Close();
connection.ConnectionString = @"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=Students.accdb; Persist Security Info=False;";
connection.Open();
OleDbCommand command = new OleDbCommand();
command.Connection = connection;
int markNum = Convert.ToInt16(lblMarkNum.Text);
if (markNum == 1)
{
command.CommandText = "INSERT into tblTest1 (StuID,Knowledge,Application,Thinking,Communication) values('" + lblStu.Text + "','" + txtKn.Text + "','" + txtApp.Text + "','" + txtCom.Text + "','" + txtTh.Text + "')";//this inserts all the info in the category
}
else if (markNum == 2)
{
command.CommandText = "INSERT into tblTest2 (StuID,Knowledge,Application,Thinking,Communication)values('" + lblStu.Text + "','" + txtKn.Text + "','" + txtApp.Text + "','" + txtCom.Text + "','" + txtTh.Text + "')";
}
else if (markNum == 3)
{
command.CommandText = "INSERT into tblTest3 (StuID,Knowledge,Application,Thinking,Communication) values('" + lblStu.Text + "','" + txtKn.Text + "','" + txtApp.Text + "','" + txtCom.Text + "','" + txtTh.Text + "')";
}
else if (markNum == 4)
{
command.CommandText = "INSERT into tblTest4 (StuID,Knowledge,Application,Thinking,Communication) values('" + lblStu.Text + "','" + txtKn.Text + "','" + txtApp.Text + "','" + txtCom.Text + "','" + txtTh.Text + "')";
}
else if (markNum == 5)
{
command.CommandText = "INSERT into tblTest5 (StuID,Knowledge,Application,Thinking,Communication) values('" + lblStu.Text + "','" + txtKn.Text + "','" + txtApp.Text + "','" + txtCom.Text + "','" + txtTh.Text + "')";
}
command.ExecuteNonQuery();
connection.Close();
if (weighting() != -1)
{
double average = weighting();
connection.Open();
if (markNum == 1)
{
command.CommandText = "INSERT into tblMarks(StuID,Mark1) values('" + lblStu.Text + "','" + average + "')";//inserts the data so it can creat the row
}
if (markNum == 2)
{
command.CommandText = "UPDATE tblMarks SET Mark2='" + average + "'where StuID=" + lblStu.Text + "";//then it updates it to avoid zerosing it out
}
else if (markNum == 3)
{
command.CommandText = "UPDATE tblMarks SET Mark3='" + average + "'where StuID=" + lblStu.Text + "";
}
else if (markNum == 4)
{
command.CommandText = "UPDATE tblMarks SET Mark4='" + average + "'where StuID=" + lblStu.Text + "";
}
else if (markNum == 5)
{
command.CommandText = "UPDATE tblMarks SET Mark5='" + average + "'where StuID=" + lblStu.Text + "";
}
command.ExecuteNonQuery();
connection.Close();
this.returnA = weighting();
this.Close();
}
else
{
MessageBox.Show("Weightings do not equal 100");
}
}
catch
{
MessageBox.Show("Error");
}
}
}
}
}
