public void fillStudents()
{
con.Open();
dataGridView1.DataSource = con.SelectTable(@"select cs.idStudent as ID, s.lastname as Apellido from course_student cs
inner join student s on s.idStudent = cs.idStudent where idCourse = " + idCourse + ";");
con.Close();
}
void setMax()
{
con.Open();
max = con.SelectSingle("Select weight from assignment where idassignment = " + idAssignment + ";");
labelMax.Text = "(Máximo de " + max + ")";
con.Close();
numericUpDown1.Maximum = Convert.ToDecimal(max);
}
public void fillDataGridTrabajos()
{
string sql = @"select ass.idStudent as Matricula, s.firstname as Nombre, s.lastname as Apellido, ass.completed as Entregado, ass.grade as Calificación
from student s inner join assignment_student ass on s.idStudent=ass.idStudent
where idAssignment = " + idAssignment;
con.Open();
dataGridView1.DataSource = con.SelectTable(sql);
con.Close();
}
public string GetUserName()
{
string name = "";
con.Open();
idProfessor = con.SelectSingle("select idProfessor from account where idAccount =" + idAccount);
DataTable tmp = con.SelectTable("select firstname, lastname from professor where idProfessor = " + idProfessor);
name = tmp.Rows[0].ItemArray[0].ToString() + ' ';
name += tmp.Rows[0].ItemArray[1].ToString();
con.Close();
return(name);
}
public void FillDataGrid()
{
con.Open();
dataGridView1.DataSource = con.SelectTable(string.Format(sql, idCourse));
con.Close();
dataGridView1.Columns["idForum"].Visible = false;
}
void fillDataGrid()
{
con.Open();
dataGridView1.DataSource = con.SelectTable(@"select c.idCourse as ID, c.name as Nombre, c.idProfessor as 'id Professor', p.lastname as apellido from
course c inner join professor p on c.idProfessor = p.idProfessor;");
con.Close();
}
public MainWindowVM()
{
bool status = false;
string db_file = "db_file.sqlite";
//Init and Test Database Connection
IDBConnectorEF dbconn = new SQLiteConnector(db_file);
status = dbconn.Open();
if (status)
{
dbconn.Close();
}
if (status)
{
//Assign to application wide shared variable.
AppData.DBConn = dbconn;
//Add ViewModel to the Content list
_ContentVM.Add(new Module.Client.ClientManagerVM());
_ContentVM.Add(new Module.Service.ClientManagerVM());
_ContentVM.Add(new Module.Other.OtherManagerVM());
//Init Menu Bar Commands.
InitializeCommands();
}
}
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 fillFields()
{
con.Open();
textBoxFirstName.Text = con.SelectSingle("select firstname from " + accountType + " where id" + accountType + " = " + idUser).ToString();
textBoxLastName.Text = con.SelectSingle("select lastname from " + accountType + " where id" + accountType + " = " + idUser).ToString();
textBoxPassword.Text = con.SelectSingle(string.Format(@"select a.password from account a
inner join {0} s on a.id{0} = s.id{0}
where a.id{0} = {1};", accountType, idUser)).ToString();
con.Close();
if (accountType.ToLower() == "professor")
{
comboBox1.SelectedIndex = 1;
}
else
{
comboBox1.SelectedIndex = 0;
}
comboBox1.Enabled = false;
}
public void fillGrids()
{
string sql = @"select s.idStudent as Matrícula, s.firstname as Nombre, s.lastname as Apellido, a.username as Cuenta
from student s left join Account a on a.idStudent = s.idStudent;";
con.Open();
dataGridStudents.DataSource = con.SelectTable(sql);
sql = @"select s.idProfessor as Matrícula, s.firstname as Nombre, s.lastname as Apellido, a.username as Cuenta
from professor s left join Account a on a.idProfessor = s.idProfessor;";
dataGridProfessors.DataSource = con.SelectTable(sql);
con.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 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 getTitle()
{
con.Open();
this.Text = "Foro: " + con.SelectSingle(@"select name from Forum where idForum=" + idForum + ";");
con.Close();
}
