private void Button_LocTheoLop_Click(object sender, EventArgs e)
{
if (locTheoLop == false)
{
Button_LocTheoLop.Text = "Hiển thị tất cả";
locTheoLop = true;
Label_KhoiLop.Show();
ComboBox_KhoiLop.Show();
Label_Lop.Show();
ComboBox_Lop.Show();
if (ComboBox_Lop.Text != "")
{
ComboBox_Lop.SelectedIndex = 0;
}
LoadThongTin(ComboBox_Lop.Text);
}
else
{
Button_LocTheoLop.Text = "Lọc theo lớp";
locTheoLop = false;
Label_KhoiLop.Hide();
ComboBox_KhoiLop.Hide();
Label_Lop.Hide();
ComboBox_Lop.Hide();
LoadThongTin();
}
}
private void ComboBox_NamHoc_SelectedValueChanged(object sender, EventArgs e)
{
Button_LocTheoLop.Text = "Lọc theo lớp";
locTheoLop = false;
Label_KhoiLop.Hide();
ComboBox_KhoiLop.Hide();
Label_Lop.Hide();
ComboBox_Lop.Hide();
LoadThongTin();
}
private void init()
{
TextBox_HoTen.TextChanged += TextBox_HoTen_TextChanged;
TrackBar_CoChu.Value = int.Parse(GridView_DSHocSinh.Font.Size.ToString());
TrackBar_CoChu.ValueChanged += TrackBar_CoChu_ValueChanged;
Label_KhoiLop.Hide();
ComboBox_KhoiLop.Hide();
Label_Lop.Hide();
ComboBox_Lop.Hide();
}