private void Cancel_Click(object sender, EventArgs e)
{
this.Hide();
MarkEvaluationGroup datap = new MarkEvaluationGroup();
datap.ShowDialog();
this.Close();// close the form
}
private void Cancel_Click(object sender, EventArgs e)
{
this.Hide();
if (buffer > 0)
{
GroupProject gp = new GroupProject();
gp.ShowDialog();
}
else
{
MarkEvaluationGroup mg = new MarkEvaluationGroup();
mg.ShowDialog();
}
this.Close();
}
private void button1_Click(object sender, EventArgs e)
{
SqlConnection con = new SqlConnection(conURL);
// connection opens
con.Open();
int ID = buffer;
if (ID < 0)
{
try
{
// here check whether boxes are empty for not
if (String.IsNullOrEmpty(comboBoxNames.Text) || String.IsNullOrEmpty(textBoxMarks.Text) || Convert.ToInt32(textBoxMarks.Text) < 0)
{
MessageBox.Show("Fill all boxes must and Marks should'nt be negative");
}
else
{
string cmdText1 = "SELECT TotalMarks FROM Evaluation where Name = @Name";
SqlCommand c1 = new SqlCommand(cmdText1, con);
c1.Parameters.Add(new SqlParameter("@Name", comboBoxNames.Text));
SqlDataReader reader1 = c1.ExecuteReader();
while (reader1.Read())
{
if (Convert.ToInt32(reader1["TotalMarks"]) >= Convert.ToInt32(textBoxMarks.Text))
{
// command store in string then execute it by passing into sqlcommand object
}
else
{
throw new ArgumentNullException();
}
}
reader1.Close();
string cmdText = "INSERT INTO GroupEvaluation (GroupId, EvaluationId, ObtainedMarks , EvaluationDate) VALUES (@GroupId,(SELECT Id FROM Evaluation where Name = @Name), @ObtainedMarks, @EvaluationDate)";
SqlCommand c = new SqlCommand(cmdText, con);
c.Parameters.Add(new SqlParameter("@Name", comboBoxNames.Text));
c.Parameters.Add(new SqlParameter("@ObtainedMarks", textBoxMarks.Text));
c.Parameters.Add(new SqlParameter("@GroupId", MarkEvaluationGroup.groupId));
c.Parameters.Add(new SqlParameter("@EvaluationDate", DateTime.Now));
//execute it
int result = c.ExecuteNonQuery();
if (result < 0)
{
MessageBox.Show("Error");
}
// show dialog box if added in table of database
MessageBox.Show("Successfully Added!!");
con.Close();
this.Hide();
MarkEvaluationGroup datap = new MarkEvaluationGroup();
datap.ShowDialog();
this.Close(); // close the form
}
}
catch (Exception)
{
MessageBox.Show("Enter Name in correct Format!!. Name should be from drop down list.. Obtained Marks should be less then total Marks");
}
}
else
{
try
{
// here check whether boxes are empty for not
if (String.IsNullOrEmpty(comboBoxNames.Text) || String.IsNullOrEmpty(textBoxMarks.Text) || Convert.ToInt32(textBoxMarks.Text) < 0)
{
MessageBox.Show("Fill all boxes must and Marks should'nt be negative");
}
// check all validations here
if (!String.IsNullOrEmpty(comboBoxNames.Text) && !String.IsNullOrEmpty(textBoxMarks.Text) && Convert.ToInt32(textBoxMarks.Text) >= 0)
{
string cmdText1 = "SELECT TotalMarks FROM Evaluation where Name = @Name";
SqlCommand c1 = new SqlCommand(cmdText1, con);
c1.Parameters.Add(new SqlParameter("@Name", comboBoxNames.Text));
SqlDataReader reader1 = c1.ExecuteReader();
while (reader1.Read())
{
if (Convert.ToInt32(reader1["TotalMarks"]) >= Convert.ToInt32(textBoxMarks.Text))
{
// command store in string then execute it by passing into sqlcommand object
}
else
{
throw new ArgumentNullException();
}
}
reader1.Close();
string cmdText2 = "Update GroupEvaluation SET EvaluationId = (SELECT Id FROM Evaluation where Name = @Name), ObtainedMarks = @ObtainedMarks WHERE EvaluationId = @EvaluationId AND GroupId = @GroupId";
SqlCommand c2 = new SqlCommand(cmdText2, con);
c2.Parameters.Add(new SqlParameter("@EvaluationId", ID));
c2.Parameters.Add(new SqlParameter("@GroupId", MarkEvaluationGroup.groupId));
c2.Parameters.Add(new SqlParameter("@Name", comboBoxNames.Text));
c2.Parameters.Add(new SqlParameter("@ObtainedMarks", textBoxMarks.Text));
c2.ExecuteNonQuery();
MessageBox.Show("Successfully Updated!!");
con.Close();
this.Hide();
MarkEvaluationGroup datap = new MarkEvaluationGroup();
datap.ShowDialog();
this.Close(); // close the form
}
else
{
throw new ArgumentNullException();
}
}
catch (Exception)
{
MessageBox.Show("Enter Name in correct Format!!. Name should be from drop down list.. Obtained Marks should be less then total Marks");
}
}
}
private void button3_Click(object sender, EventArgs e)
{
MarkEvaluationGroup eg = new MarkEvaluationGroup();
eg.ShowDialog();
}
