protected void Button4_Click(object sender, EventArgs e)
{
string str = TextBox1.Text.Trim();
int Num;
bool isNum = int.TryParse(str, out Num);
if (!isNum)
{
Response.Write("<script>alert('Introduce un NIT')</script>");
}
else
{
int SiExiste = DatosCl.SiExisteCliente(Convert.ToInt32(TextBox1.Text));
if (SiExiste == 0)
{
Button3_ModalPopupExtender.Show();
TextBox5.Text = TextBox1.Text;
}
else
{
tabla = DatosCl.ListaUncliente(Convert.ToInt32(TextBox1.Text));
IDc = Convert.ToInt32(tabla.Rows[0][0]);
nom = tabla.Rows[0][7].ToString();
TextBox3.Text = nom;
Label1.Text = IDc.ToString();
}
}
}
