private void Btncleartextnhanvien_Click(object sender, EventArgs e)
{
OptimizedPerformance.ClearAllText(tabControl1);
}
private void Btncleartextthucuong_Click(object sender, EventArgs e)
{
lblpaththucuong.Text = "";
OptimizedPerformance.ClearAllText(tabControl1);
}
private void IconButton3_Click(object sender, EventArgs e)
{
OptimizedPerformance.ClearAllText(this);
}
