private void btnCNBH_CLick(object sender, EventArgs e)
{
btnCNBH.FlatAppearance.BorderColor = Color.FromArgb(254, 215, 0);
btnCNHDNH.FlatAppearance.BorderColor = Color.FromArgb(42, 39, 41);
btnCNSP.FlatAppearance.BorderColor = Color.FromArgb(42, 39, 41);
btnCNNCC.FlatAppearance.BorderColor = Color.FromArgb(42, 39, 41);
btnCNKH.FlatAppearance.BorderColor = Color.FromArgb(42, 39, 41);
btnCNNV.FlatAppearance.BorderColor = Color.FromArgb(42, 39, 41);
if (isCNBH)
{
tabControl.SelectedTab = tabQLBH;
}
else
{
frmQLBH frmQLBH = new frmQLBH();
frmQLBH.BringToFront();
frmQLBH.TopLevel = false;
frmQLBH.Visible = true;
frmQLBH.Dock = DockStyle.Fill;
tabQLBH.Controls.Add(frmQLBH);
tabQLBH.Text = "Quản lý bán hàng";
tabControl.TabPages.Add(tabQLBH);
tabControl.SelectedTab = tabQLBH;
isCNBH = true;
}
}
private void button9_Click(object sender, EventArgs e)
{
frmQLBH frmQLHDB = new frmQLBH();
frmQLHDB.Show();
}