private async void SaveButton_Click(object sender, EventArgs e)
{
if (AssigmentNameTextBox.Text == "")
{
MessageBox.Show("Subject code is empty!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
DateTime time = AssigmentEndDate.Value.Date + AssigmentEndTime.Value.TimeOfDay;
await SqlCommands.AddAssigmentAsync(AssigmentNameTextBox.Text, AssigmentStateList.Text,
Subjects[SubjectPicker.SelectedIndex].Id, time);
Close();
}
}