private void buttonEliminar_Click(object sender, EventArgs e)
{
DialogResult dr = MessageBox.Show("¿Desea eliminar este trabajo?"
, "Confirmar Calificación", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (dr == DialogResult.Yes)
{
con.Open();
con.Command("delete from assignment_student where idAssignment = " + idAssignment + ";");
con.Command("delete from Assignment where idAssignment = " + idAssignment + ";");
con.Close();
parent.fillDataGridAssignment();
this.Close();
}
}
private void buttonEnviar_Click(object sender, EventArgs e)
{
con.Open();
con.Command("update Course set description = '" + textBoxDesc.Text.ToString() + "' where idCourse = " + selectedCourse + ";");
con.Close();
MessageBox.Show("Se envió el anuncio correctamente");
}
private void buttonSend_Click(object sender, EventArgs e)
{
if (textBox1.Text == "" || numericUpDown1.Value == 0)
{
MessageBox.Show("Debe llenar todos los campos", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
DialogResult dr = MessageBox.Show("¿Desea actualizar este curso?", "Confirmar Envío", MessageBoxButtons.YesNo, MessageBoxIcon.Warning);
if (dr.Equals(DialogResult.No))
{
return;
}
try
{
con.Open();
con.Command(@"update course set name = '" + textBox1.Text + "', idProfessor = " + numericUpDown1.Value.ToString() + " where idCourse = " + idCourse + ";");
con.Close();
}
catch (System.Data.SQLite.SQLiteException)
{
con.Close();
MessageBox.Show("ID de profesor no valido", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
finally
{
con.Close();
}
}
private void InsertForum()
{
string name = textBoxName.Text;
string content = textBoxContent.Text;
string sql = @"insert into forum(name, description,idauthor,idcourse) values('{0}','{1}',{2},{3});";
con.Open();
con.Command(string.Format(sql, name, content, idAuthor, idCourse));
con.Close();
}
private void SendHomework(string title, string desc, string val)
{
string sql = @"insert into assignment(weight,name,description,idCourse) values({0},'{1}','{2}',{3});";
sql = String.Format(sql, val, title, desc, idCourse);
DataTable dt;
try
{
con.Open();
con.Command(sql);
dt = con.SelectTable("select idStudent from course_student where idCourse=" + idCourse + ";");
string idAss = con.SelectSingle("select idAssignment from assignment where idAssignment=(Select max(idAssignment) from assignment);");
sql = "insert into assignment_student(idassignment,idstudent) values({0},{1});";
foreach (DataRow r in dt.Rows)
{
con.Command(string.Format(sql, idAss, r.ItemArray[0].ToString()));
}
con.Close();
}
catch (System.Data.SQLite.SQLiteException err)
{
MessageBox.Show(err.Message.ToString());
}
catch (System.IndexOutOfRangeException err)
{
MessageBox.Show("Error en el foreach\n" + err.Message);
}
finally
{
con.Close();
}
parent.fillDataGridAssignment();
this.Close();
}
private void button1_Click(object sender, EventArgs e)
{
string idStudent = numericUpDown1.Value.ToString();
try
{
string sql = @"insert into Course_student (idCourse, idStudent) values (" + idCourse + "," + idStudent + ");";
con.Open();
con.Command(sql);
DataTable dt = con.SelectTable(@"select idAssignment from assignment where idCourse = " + idCourse + ";");
foreach (DataRow r in dt.Rows)
{
con.Command(@"insert into assignment_student (idStudent, idAssignment) values (" + idStudent + "," + r.ItemArray[0].ToString() + ");");
}
MessageBox.Show("Estudiante modificado existosamente", "Modificación Existosa", MessageBoxButtons.OK, MessageBoxIcon.Information);
con.Close();
}
catch (System.Data.SQLite.SQLiteException error)
{
con.Close();
if (error.Message.Contains("UNIQUE constraint"))
{
MessageBox.Show("Este estudiante ya está inscritio", "Error", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else if (error.Message.Contains("FOREIGN KEY"))
{
MessageBox.Show("No existe un estudiante con esta matrícula", "Error", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else
{
MessageBox.Show(error.Message);
}
}
finally
{
con.Close();
}
}
private void buttonOK_Click(object sender, EventArgs e)
{
DialogResult dr = MessageBox.Show("¿Desea enviar la siguiente calificación?: " + numericUpDown1.Value.ToString()
, "Confirmar Calificación", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (dr == DialogResult.Yes)
{
con.Open();
string sql = @"update assignment_student set grade={0} where idAssignment ={1} and idStudent={2};";
con.Command(string.Format(sql, numericUpDown1.Value, idAssignment, idStudent));
con.Close();
MessageBox.Show("Se ha guardado la calificación exitosamente.", "Entrega Calificada", MessageBoxButtons.OK, MessageBoxIcon.Information);
parent.fillDataGridTrabajos();
Close();
}
}
private void button1_Click(object sender, EventArgs e)
{
if (textBox1.Text == "")
{
MessageBox.Show("Debe llenar todos los campos", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
DialogResult dr = MessageBox.Show("¿Desea enviar la respuesta?", "Confirmar Envío", MessageBoxButtons.YesNo, MessageBoxIcon.Warning);
if (dr == DialogResult.Yes)
{
string sql = @"insert into post(idForum,text,idAuthor) values ({0},'{1}',{2});";
con.Open();
con.Command(string.Format(sql, idForum, textBox1.Text, idAutor));
con.Close();
GetOP();
textBox1.Text = "";
}
}
void editAcc()
{
string firstName = textBoxFirstName.Text;
string lastName = textBoxLastName.Text;
string password = textBoxPassword.Text;
con.Open();
string idAccount = con.SelectSingle(string.Format(@"Select a.idAccount from account a
inner join {0} u on a.id{0} = u.id{0}
where u.id{0} = {1};", accountType, idUser));
con.Close();
if (firstName == "" || lastName == "" || password == "")
{
MessageBox.Show("Todos los campos deben llenarse", "Alerta", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
DialogResult dr = MessageBox.Show("¿Desea editar esta cuenta?", "Confirmar Envío", MessageBoxButtons.YesNo, MessageBoxIcon.Warning);
if (dr.Equals(DialogResult.No))
{
return;
}
string sql = string.Format(@"update {2} set firstName='{0}', lastName='{1}' where id{2}={3};", firstName, lastName, accountType, idUser);
con.Open();
con.Command(string.Format(sql));
sql = @"update account set password='******' where idaccount={1};";
con.Command(string.Format(sql, password, idAccount));
con.Close();
parent.fillGrids();
this.Close();
}
