public void Update_Control(Persons.Control oldControl, Persons.Control newControl)
{
try
{
var cmdText =
"UPDATE [UPP-1].[dbo].[Control] SET Дата = @Дата, Урок = @Урок, Оценка = @Оценка, Присутствие = @Присутствие, ID_Ученика = @ID_Ученика WHERE ID = @ID";
var cmd = new SqlCommand(cmdText, _connection);
cmd.Parameters.AddWithValue("@Дата", newControl.Date);
cmd.Parameters.AddWithValue("@Урок", newControl.Lesson);
cmd.Parameters.AddWithValue("@Оценка", newControl.Mark);
cmd.Parameters.AddWithValue("@Присутствие", newControl.Presence);
cmd.Parameters.AddWithValue("@ID_Ученика", newControl.ID_student);
cmd.Parameters.AddWithValue("@ID", oldControl.ID);
_connection.Open();
cmd.ExecuteNonQuery();
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
finally
{
if (_connection != null)
{
_connection.Close();
}
}
}
public void Insert_Control(Persons.Control c)
{
try
{
var cmdText =
"INSERT INTO [UPP-1].[dbo].[Control](Дата, Урок, Оценка, Присутствие, ID_Ученика) VALUES(@Дата, @Урок, @Оценка, @Присутствие, @ID_Ученика)";
var cmd = new SqlCommand(cmdText, _connection);
cmd.Parameters.AddWithValue("@Дата", c.Date);
cmd.Parameters.AddWithValue("@Урок", c.Lesson);
cmd.Parameters.AddWithValue("@Оценка", c.Mark);
cmd.Parameters.AddWithValue("@Присутствие", c.Presence);
cmd.Parameters.AddWithValue("@ID_Ученика", c.ID_student);
_connection.Open();
cmd.ExecuteNonQuery();
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
finally
{
if (_connection != null)
{
_connection.Close();
}
}
}
private void btn_Control_Delete_Click(object sender, EventArgs e)
{
Persons.Control c = new Persons.Control();
c = cBox_ChooseControl.SelectedItem as Persons.Control;
b.Delete_Control(c);
Form_Main_Load(sender, e);
personsDataGridView.Update();
personsDataGridView.Refresh();
}
private void btn_InsertControl_Click(object sender, EventArgs e)
{
Persons.Control c = new Persons.Control();
c.Date = dTimePicker_Control.Value;
c.Lesson = tBox_Control_Lesson.Text;
c.Mark = Convert.ToInt32(UpDown_Control_Mark.Text);
c.Presence = cBox_Presence.Checked;
c.ID_student = Convert.ToInt32(UpDown_Control_IDStudent.Text);
b.Insert_Control(c);
Form_Main_Load(sender, e);
controlDataGridView.Update();
controlDataGridView.Refresh();
}
private void btn_Control_Edit_Click(object sender, EventArgs e)
{
Persons.Control oldControl = new Persons.Control();
Persons.Control newControl = new Persons.Control();
oldControl = cBox_ChooseControl.SelectedItem as Persons.Control;
newControl.Date = dTimePicker_NewControl.Value;
newControl.Lesson = tBox_Control_NewLesson.Text;
newControl.Mark = Convert.ToInt32(UpDown_Control_NewMark.Text);
newControl.Presence = cBox_Control_NewPresense.Checked;
newControl.ID_student = Convert.ToInt32(UpDown_Control_NewIDStudent.Text);
b.Update_Control(oldControl, newControl);
Form_Main_Load(sender, e);
controlDataGridView.Update();
personsDataGridView.Refresh();
}
public List <Persons.Control> Clear_Control()
{
var controlList = new List <Persons.Control>();
try
{
var cmdText = "TRUNCATE TABLE [UPP-1].[dbo].[Control]";
var cmd = new SqlCommand(cmdText, _connection);
_connection.Open();
cmd.ExecuteNonQuery();
var reader = cmd.ExecuteReader();
while (reader.Read())
{
var c = new Persons.Control();
c.ID = int.Parse(reader["ID"].ToString());
c.Date = Convert.ToDateTime(reader["Дата"].ToString());
c.Lesson = reader["Урок"].ToString();
c.Mark = Convert.ToInt32(reader["Оценка"].ToString());
c.Presence = Convert.ToBoolean(reader["Присутствие"].ToString());
c.ID_student = Convert.ToInt32(reader["ID_Ученика"].ToString());
controlList.Add(c);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
finally
{
if (_connection != null)
{
_connection.Close();
}
}
return(controlList);
}
public void Delete_Control(Persons.Control c)
{
try
{
var cmdText = "DELETE FROM [UPP-1].[dbo].[Control] WHERE ID = @ID";
var cmd = new SqlCommand(cmdText, _connection);
cmd.Parameters.AddWithValue("@ID", c.ID);
_connection.Open();
cmd.ExecuteNonQuery();
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
finally
{
if (_connection != null)
{
_connection.Close();
}
}
}
