private void button1_Click(object sender, EventArgs e)
{
using (StreamWriter sw = File.AppendText(@"D:\C#\DungApp\WindowsFormsApp2\WindowsFormsApp2\DATA\NhomlienlacCT.txt"))
sw.WriteLine(txtNhom.Text + "#" + textlienlac.Text + "#" + textEmail.Text + "#" + textsdt.Text + "#" + textdiachi.Text);
Form1 form1 = new Form1();
form1.Refresh();
form1.dgvTenNhom.Refresh();
form1.Show();
this.Close();
}
private void button1_Click(object sender, EventArgs e)
{
List <TenNhom> a = TenNhom.GetListFromFile(pathDataNhom);
for (int i = 0; i < a.Count; i++)
{
if (a[i].tennhom == txtadd.Text)
{
MessageBox.Show("Không thể thêm nhóm đã tồn tại");
return;
}
}
using (StreamWriter sw = File.AppendText(@"D:\C#\DungApp\WindowsFormsApp2\WindowsFormsApp2\DATA\Nhomlienlac.txt"))
sw.WriteLine(txtadd.Text);
Form1 form1 = new Form1();
form1.Refresh();
form1.Show();
this.Close();
}
