using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Data.SQLite;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using System.Windows.Forms;



namespace CKUERA
{
    public partial class Usuarios : Form
    {
        public Usuarios()
        {
            InitializeComponent();
        }

        private void Usuarios_Load(object sender, EventArgs e)
        {
            button5.Left = 3000;
            DataG1.Width = 586;
            DataG1.Height = 195;
            DataG1.Left = 28;
            DataG1.Top = TextBox1.Top + TextBox1.Height + 1;
            ComboBox1.Items.Add("Administrador");
            ComboBox1.Items.Add("Operador");
            ComboBox1.Items.Add("<<Selecione uno>>");
            ComboBox1.SelectedIndex = 2;

            {
                string name = "iconos\\registrar.png";
                try { Button1.Image = System.Drawing.Image.FromFile(name); }
                catch (Exception) { }
            }

            {
                string name = "iconos\\modificar.png";
                try { button4.Image = System.Drawing.Image.FromFile(name); }
                catch (Exception) { }
            }

            {
                string name = "iconos\\limpiar.png";
                try { Button2.Image = System.Drawing.Image.FromFile(name); }
                catch (Exception) { }
            }

            {
                string name = "iconos\\eliminar.png";
                try { Button3.Image = System.Drawing.Image.FromFile(name); }
                catch (Exception) { }
            }
        }

        private void Usuarios_Resize(object sender, EventArgs e)
        {
            panel1.Left = this.Width / 2 - panel1.Width / 2;
            panel1.Top = this.Height / 2 - panel1.Height / 2;
            Btn_Cerrar.Top = 0;
            Btn_Cerrar.Left = panel1.Width - Btn_Cerrar.Width;
            Lb_Titulo.Top = 0; Lb_Titulo.Left = 0;
            Lb_Titulo.Text = this.Text;

            Principal fp = new Principal();

            this.Left = (fp.Width / 2) - (this.Width / 2) + (fp.Boton1.Width / 3);
            this.Top = fp.Height / 2 - this.Height / 2;
            //this.FormBorderStyle = FormBorderStyle.FixedToolWindow;
            //Label6.Top = 9;
            //Label6.Left = Label6.Top;
            //this.Width = Label6.Width + Label6.Left + 25;// * (3.8);
            this.BackColor = Global.ColorSistema;
            //this.Height = Label6.Height + Label6.Top + 48;
            this.StartPosition = FormStartPosition.Manual;
            Button1.BackColor = Global.ColorSistema;//
            Button2.BackColor = Global.ColorSistema;//
            Button3.BackColor = Global.ColorSistema;//
            button4.BackColor = Global.ColorSistema;//

        }

        private void Usuarios_Activated(object sender, EventArgs e)
        {
            //this.Width = Label6.Width + Label6.Left + 25;// * (3.8);
        }

        public void REEMPLZAR()
        {
            TextBox1.Text = TextBox1.Text.ToUpper().Trim().Replace("'", "´");
            TextBox2.Text = TextBox2.Text.ToUpper().Trim().Replace("'", "´");
            TextBox3.Text = TextBox3.Text.ToUpper().Trim().Replace("'", "´");
            TextBox4.Text = TextBox4.Text.ToUpper().Trim().Replace("'", "´");
            TextBox5.Text = TextBox5.Text.ToUpper().Trim().Replace("'", "´");
            TextBox1.SelectionStart = TextBox1.Text.Length + 1;
            TextBox2.SelectionStart = TextBox2.Text.Length + 1;
            TextBox3.SelectionStart = TextBox3.Text.Length + 1;
            TextBox4.SelectionStart = TextBox4.Text.Length + 1;
            TextBox5.SelectionStart = TextBox5.Text.Length + 1;
        }


        public void LIMPIAR()
        {
            // LIMPIA TODO
            TextBox1.Text = "";
            TextBox2.Text = "";
            TextBox3.Text = "";
            TextBox4.Text = "";
            TextBox5.Text = "";
            ComboBox1.Text = "";
            ComboBox1.Items.Clear();
            ComboBox1.Items.Add("Administrador");
            ComboBox1.Items.Add("Operador");
            No_Buscar.Checked = false;
            CheckBox1.Checked = false;
            CheckBox2.Checked = false;
            chec_config.Checked = false;
            chec_regProd.Checked = false;
            chec_verreport.Checked = false;
            chec_reg_comp.Checked = false;
            TextBox1.Select();
        }

        private void TextBox1_TextChanged_1(object sender, EventArgs e)
        {
            if (RadioButton1.Checked == false)
            {
                if (RadioButton2.Checked == false)
                {
                    MessageBox.Show("Selecciones una opción de lo que desea hacer; ''Registrar nuevo'' o ''Modificar''","!Atención!",MessageBoxButtons.OK,MessageBoxIcon.Exclamation);
                    return;
                }
            }

            if (TextBox1.Text.Length > 20) {
                MessageBox.Show("La longitud de caracteres no puede ser más que 20.", "!Atención!", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
                TextBox1.Text = TextBox1.Text.Substring(0, 20);
                TextBox1.Select();
                return;
            }

            if (TextBox1.Text == "")
                LIMPIAR();
                TextBox1.ReadOnly = false;
            {
                if (No_Buscar.Checked == true)
                    return; // NO BUSCAR SI YA ENCONTRÓ
                if (RadioButton2.Checked == true) // SI ES MODIFICAR
                {
                    if (No_Buscar.Checked==true)
                    {
                        REEMPLZAR();
                    }

                    //SQLiteDataReader RS = null;
                    //string SQL = "SELECT ID,NOMBRE,CI FROM USUARIOS WHERE NOMBRE LIKE '%" + TextBox1.Text + "%' OR CI='" + TextBox1.Text + "';";
                    //SQLiteCommand CMD3 = new SQLiteCommand(SQL, Global.conexion);
                    //RS = CMD3.ExecuteReader();
                    //RS.Read();
                    HttpWebRequest rq = (HttpWebRequest)WebRequest.Create("http://" + Global._host + "/ecv/usuarios_consultar.php");
                    rq.Method = "POST";
                    byte[] byteArray = Encoding.UTF8.GetBytes(string.Format("nu={0}▼", TextBox1.Text));
                    rq.ContentType = "application/x-www-form-urlencoded";
                    rq.ContentLength = byteArray.Length;
                    Stream stream = rq.GetRequestStream();
                    stream.Write(byteArray, 0, byteArray.Length);
                    stream.Close();
                    //
                    WebResponse response = rq.GetResponse();
                    stream = response.GetResponseStream();
                    StreamReader reader = new StreamReader(stream);
                    string devuelve = reader.ReadToEnd();
                    reader.Close();
                    stream.Close();
                    response.Close();

                    string resultado = devuelve.ToUpper();
                    bool re;
                    re = resultado.Contains("<BR");
                    if (re == true)
                    {
                        MessageBox.Show(devuelve);
                        return;
                    }

                    if (devuelve == "")
                    {
                        DataG1.Visible = false;
                    }
                    else
                    {
                        DataG1.Rows.Clear();
                        DataG1.Visible = true;

                        foreach (var line in devuelve.Trim().Split('↔'))//cada línea se separa por '↔'
                        {
                            if (line == "") continue;//si la última línea está vacía, continua al siguiente proceso
                            var v = line.Trim().Split('▲');//dentro de cada línea se separa por columna ('▲')
                            DataG1.Rows.Add(v[0], v[1]);
                        }
                    }

                    if (TextBox1.Text == "")
                    {
                        DataG1.Visible = false;
                    }
                }
            }



        }

        private void RadioButton2_CheckedChanged_1(object sender, EventArgs e)
        {
            TextBox1.Select();
            if (RadioButton2.Checked == true)
            {
                this.AcceptButton = button4;
            }
            //else
            //{
            //    ID_LABEL.Text = "";
            //}
        }

        private void RadioButton1_CheckedChanged_1(object sender, EventArgs e)
        {
            if (RadioButton1.Checked == true)
            DataG1.Visible = false;
            TextBox1.Select();
            TextBox1.ReadOnly = false;
            this.AcceptButton = Button1;

        }

        private void Button1_Click_1(object sender, EventArgs e)
        {
            if (RadioButton1.Checked == false & RadioButton2.Checked == false)
            {
                MessageBox.Show("Marque una opción de lo que desea hacer; Registrar Nuevo o Modificar Registro", "¡ATENCIÓN!",MessageBoxButtons.OK,MessageBoxIcon.Information);
                TextBox1.Select();
                return;
            }

            if (TextBox1.Text == "")
            {
                TextBox1.Select();
                return;
            }

            TextBox1.Text = TextBox1.Text.Replace("&", "y");
            TextBox1.Text = TextBox1.Text.Replace("'", "`");
            TextBox1.Text = TextBox1.Text.Replace(";", ",");
            TextBox1.Text = TextBox1.Text.Replace("\\", ",");

            if (Regex.IsMatch(TextBox1.Text, "[^a-zA-Z0-9-/_() .,áéíóúÁÉÍÓÚñÑ`]"))
            {
                MessageBox.Show("En el campo escrito existe caracter especial no admitido. Reemplace y vuelva a presionar ENTER.", "ATENCIÓN", MessageBoxButtons.OK, MessageBoxIcon.Information);
                TextBox1.Select();
                return;
            }

            if (TextBox2.Text == "")
            {
                TextBox2.Select();
                return;
            }

            TextBox2.Text = TextBox2.Text.Replace("&", "y");
            TextBox2.Text = TextBox2.Text.Replace("'", "`");
            TextBox2.Text = TextBox2.Text.Replace(";", ",");
            TextBox2.Text = TextBox2.Text.Replace("\\", ",");

            if (Regex.IsMatch(TextBox2.Text, "[^a-zA-Z0-9-/_() .,áéíóúÁÉÍÓÚñÑ`]"))
            {
                MessageBox.Show("En el campo escrito existe caracter especial no admitido. Reemplace y vuelva a presionar ENTER.", "ATENCIÓN", MessageBoxButtons.OK, MessageBoxIcon.Information);
                TextBox2.Select();
                return;
            }

            if (TextBox3.Text == "")
            {
                TextBox3.Select();
                return;
            }

            TextBox3.Text = TextBox3.Text.Replace("&", "y");
            TextBox3.Text = TextBox3.Text.Replace("'", "`");
            TextBox3.Text = TextBox3.Text.Replace(";", ",");
            TextBox3.Text = TextBox3.Text.Replace("\\", ",");

            if (Regex.IsMatch(TextBox3.Text, "[^a-zA-Z0-9-/_() .,áéíóúÁÉÍÓÚñÑ`]"))
            {
                MessageBox.Show("En el campo escrito existe caracter especial no admitido. Reemplace y vuelva a presionar ENTER.", "ATENCIÓN", MessageBoxButtons.OK, MessageBoxIcon.Information);
                TextBox3.Select();
                return;
            }

            if (TextBox4.Text == "")
            {
                TextBox4.Select();
                return;
            }

            TextBox4.Text = TextBox4.Text.Replace("&", "y");
            TextBox4.Text = TextBox4.Text.Replace("'", "`");
            TextBox4.Text = TextBox4.Text.Replace(";", ",");
            TextBox4.Text = TextBox4.Text.Replace("\\", ",");

            if (Regex.IsMatch(TextBox4.Text, "[^a-zA-Z0-9-/_() .,áéíóúÁÉÍÓÚñÑ`]"))
            {
                MessageBox.Show("En el campo escrito existe caracter especial no admitido. Reemplace y vuelva a presionar ENTER.", "ATENCIÓN", MessageBoxButtons.OK, MessageBoxIcon.Information);
                TextBox4.Select();
                return;
            }

            if (ComboBox1.Text == "")
            {
                ComboBox1.Select();
                return;
            }

            TextBox1.Text = TextBox1.Text.Replace("&", "y");
            TextBox1.Text = TextBox1.Text.Replace("'", "`");
            TextBox1.Text = TextBox1.Text.Replace(";", ",");
            TextBox1.Text = TextBox1.Text.Replace("\\", ",");

            if (Regex.IsMatch(TextBox1.Text, "[^a-zA-Z0-9-/_() .,áéíóúÁÉÍÓÚñÑ`]"))
            {
                MessageBox.Show("En el campo escrito existe caracter especial no admitido. Reemplace y vuelva a presionar ENTER.", "ATENCIÓN", MessageBoxButtons.OK, MessageBoxIcon.Information);
                TextBox1.Select();
                return;
            }

            TextBox1.Text = TextBox1.Text.ToUpper().Trim();
            TextBox4.Text = TextBox4.Text.ToUpper().Trim();

            if (ComboBox1.Text == "<<Selecione uno>>")
            {
                MessageBox.Show("Seleccione una opción de Rango; Administrador u Operador.", "¡ATENCIÓN!",MessageBoxButtons.OK,MessageBoxIcon.Information);
                ComboBox1.Select();
                return;
            }

            if (TextBox5.Text == "")
            {
                TextBox5.Select();
                return;
            }

            TextBox5.Text = TextBox5.Text.Replace("&", "y");
            TextBox5.Text = TextBox5.Text.Replace("'", "`");
            TextBox5.Text = TextBox5.Text.Replace(";", ",");
            TextBox5.Text = TextBox5.Text.Replace("\\", ",");

            if (Regex.IsMatch(TextBox5.Text, "[^a-zA-Z0-9-/_() .,áéíóúÁÉÍÓÚñÑ`]"))
            {
                MessageBox.Show("En el campo escrito existe caracter especial no admitido. Reemplace y vuelva a presionar ENTER.", "ATENCIÓN", MessageBoxButtons.OK, MessageBoxIcon.Information);
                TextBox5.Select();
                return;
            }

            int Vende = 0; // SI VENDE POR PRECIO O NO
            if (CheckBox1.Checked == true)
            {
                Vende = 1;
            }

            int Modi = 0; // SI MODIFICA PRECIO O NO
            if (CheckBox2.Checked == true)
            {
                Modi = 1;
            }

            int reg = 0; // SI registra prod
            if (chec_regProd.Checked == true)
            {
                reg = 1;
            }

            int rep = 0; // SI pueder ver reportes
            if (chec_verreport.Checked == true)
            {
                rep = 1;
            }

            int conf = 0; // SI puede configurar
            if (chec_config.Checked == true)
            {
                conf = 1;
            }

            int reg_comp = 0; // SI puede configurar
            if (chec_reg_comp.Checked == true)
            {
                reg_comp = 1;
            }

            REEMPLZAR();

            if (RadioButton1.Checked == true)
            {
                HttpWebRequest rq = (HttpWebRequest)WebRequest.Create("http://" + Global._host + "/ecv/usuarios_insert.php");
                rq.Method = "POST";
                byte[] byteArray = Encoding.UTF8.GetBytes(string.Format("nu={0}▼{1}▼{2}▼{3}▼{4}▼{5}▼{6}▼{7}▼{8}▼{9}▼{10}▼{11}", 
                    TextBox5.Text.Trim(), TextBox1.Text, ComboBox1.Text, TextBox2.Text, TextBox3.Text, TextBox4.Text, Modi, Vende, reg, rep, conf, reg_comp));
                rq.ContentType = "application/x-www-form-urlencoded";
                rq.ContentLength = byteArray.Length;
                Stream stream = rq.GetRequestStream();
                stream.Write(byteArray, 0, byteArray.Length);
                stream.Close();
                //
                WebResponse response = rq.GetResponse();
                stream = response.GetResponseStream();
                StreamReader reader = new StreamReader(stream);
                string devuelve = reader.ReadToEnd();
                reader.Close();
                stream.Close();
                response.Close();

                string resultado = devuelve.ToUpper();
                bool re;
                re = resultado.Contains("<BR");
                if (re == true)
                {
                    MessageBox.Show(devuelve);
                    return;
                }

                MessageBox.Show(devuelve.Trim(), "¡ATENCIÓN!", MessageBoxButtons.OK, MessageBoxIcon.Information);
                
                if(devuelve.Trim().Substring(0,6) != "...Est")
                {
                    LIMPIAR();
                    TextBox1.Select();
                }
              
            }
        }

        private void TextBox5_TextChanged(object sender, EventArgs e)
        {

        }

        private void DataG1_Click(object sender, EventArgs e)
        {
            ID_LABEL.Text = DataG1.CurrentRow.Cells[0].Value.ToString();
            CheckBox1.Checked = false;
            CheckBox2.Checked = false;
            chec_regProd.Checked = false;
            chec_verreport.Checked = false;
            chec_config.Checked = false;

            HttpWebRequest rq = (HttpWebRequest)WebRequest.Create("http://" + Global._host + "/ecv/usuarios_mostrar.php");
            rq.Method = "POST";
            byte[] byteArray = Encoding.UTF8.GetBytes(string.Format("nu={0}▼", ID_LABEL.Text));
            rq.ContentType = "application/x-www-form-urlencoded";
            rq.ContentLength = byteArray.Length;
            Stream stream = rq.GetRequestStream();
            stream.Write(byteArray, 0, byteArray.Length);
            stream.Close();
            //
            WebResponse response = rq.GetResponse();
            stream = response.GetResponseStream();
            StreamReader reader = new StreamReader(stream);
            string devuelve = reader.ReadToEnd();
            reader.Close();
            stream.Close();
            response.Close();

            string resultado = devuelve.ToUpper();
            bool re;
            re = resultado.Contains("<BR");
            if (re == true)
            {
                MessageBox.Show(devuelve);
                return;
            }

            int chec1;
            int chec2;
            int reg;
            int rep;
            int conf;
            int reg_comp;

            if (devuelve.Trim()!="")
            {
                foreach (var line in devuelve.Trim().Split('↔'))//cada línea se separa por '↔'
                {
                    if (line == "") continue;//si la última línea está vacía, continua al siguiente proceso
                    var v = line.Trim().Split('▲');//dentro de cada línea se separa por columna ('▲')

                    TextBox1.Text = v[0];
                    TextBox2.Text = v[1];
                    TextBox3.Text = v[2];
                    TextBox4.Text = v[3];
                    TextBox5.Text = v[4];
                    ComboBox1.Text = v[5];

                    chec2 = int.Parse(v[6]);
                    chec1 = int.Parse(v[7]);
                    reg = int.Parse(v[8]);
                    rep = int.Parse(v[9]);
                    conf = int.Parse(v[10]);
                    reg_comp= int.Parse(v[11]);

                    if (chec1 == 1)
                    {
                        CheckBox1.Checked = true;
                    }  else { CheckBox1.Checked = false; }

                    if (chec2 == 1)
                    {
                        CheckBox2.Checked = true;
                    }   else { CheckBox2.Checked = false; }

                    if (reg == 1)
                    {
                        chec_regProd.Checked = true;
                    } else { chec_regProd.Checked = false;}

                    if (rep == 1)
                    {
                        chec_verreport.Checked = true;
                    } else { chec_verreport.Checked= false;}

                    if (conf == 1)
                    {
                        chec_config.Checked = true;
                    }   else {  chec_config.Checked= false;}

                    if (reg_comp == 1)
                    {
                        chec_reg_comp.Checked = true;
                    }
                    else { chec_reg_comp.Checked = false; }

                }
            }

            DataG1.Visible = false;
            No_Buscar.Checked = true;
            TextBox1.ReadOnly = true;
            TextBox1.Select();
        }

        private void Button3_Click_1(object sender, EventArgs e)
        {
            if (Global.USUARIO_SIST.Trim() == TextBox1.Text.Trim())  {
                MessageBox.Show("No es posible eliminarse a sí mismo este Usuario.","¡ATENCIÓN!",MessageBoxButtons.OK,MessageBoxIcon.Exclamation);
                return;
            }

            DialogResult result = MessageBox.Show("¿Confirma que realmente desea eliminar?", "¿ESTÁ SEGURO/A?", MessageBoxButtons.YesNo);
            if (result == DialogResult.No)
            return;


            //string SQLin = "DELETE FROM USUARIOS WHERE ID='" + ID_LABEL.Text + "';";
            //SQLiteCommand CMD4 = new SQLiteCommand(SQLin, Global.conexion);
            //CMD4.ExecuteNonQuery();

            HttpWebRequest rq = (HttpWebRequest)WebRequest.Create("http://" + Global._host + "/ecv/usuarios_delete.php");
            rq.Method = "POST";
            byte[] byteArray = Encoding.UTF8.GetBytes(string.Format("nu={0}▼", ID_LABEL.Text));
            rq.ContentType = "application/x-www-form-urlencoded";
            rq.ContentLength = byteArray.Length;
            Stream stream = rq.GetRequestStream();
            stream.Write(byteArray, 0, byteArray.Length);
            stream.Close();
            //
            WebResponse response = rq.GetResponse();
            stream = response.GetResponseStream();
            StreamReader reader = new StreamReader(stream);
            string devuelve = reader.ReadToEnd();
            reader.Close();
            stream.Close();
            response.Close();

            string resultado = devuelve.ToUpper();
            bool re;
            re = resultado.Contains("<BR");
            if (re == true)
            {
                MessageBox.Show(devuelve);
                return;
            }

            MessageBox.Show(devuelve.Trim(), "Hecho", MessageBoxButtons.OK, MessageBoxIcon.Information);
            LIMPIAR();
            TextBox1.Select();
        }

        private void Button2_Click_1(object sender, EventArgs e)
        {
            LIMPIAR();
            TextBox1.Select();
        }

        private void button5_Click(object sender, EventArgs e)
        {
            Close();
        }

        private void DataG1_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {

        }

        private void button4_Click_1(object sender, EventArgs e)
        {
            int reg = 0;
            int rep = 0;
            int conf = 0;
            int regComp = 0;

            if (Global.USUARIO_SIST.Trim()==TextBox1.Text.Trim()) {
                MessageBox.Show("No es posible modificarse a sí mismo este Usuario.", "¡ATENCIÓN!", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
                return;
            }

            if (CheckBox1.Checked == true)//VENDER POR PRECIO
            {
                Global.chec1 = 1;
            } else { Global.chec1 = 0; }

            if (CheckBox2.Checked == true)//MODIFICAR PRECIO
            {
                Global.chec2 = 1;
            } else { Global.chec2 = 0; }

            if (chec_regProd.Checked == true)//reg prod
            {
                reg = 1;
            }
            else { reg = 0; }

            if (chec_verreport.Checked == true)//ver reportes
            {
                rep = 1;
            }
            else { rep = 0; }

            if (chec_config.Checked == true)//configurar
            {
                conf = 1;
            }
            else { conf = 0; }

            if (chec_reg_comp.Checked == true)//Reg. de Compras
            {
                regComp = 1;
            }
            else { regComp = 0; }

            if (TextBox1.Text == "")
            {
                TextBox1.Select();
                return;
            }

            TextBox1.Text = TextBox1.Text.Replace("&", "y");
            TextBox1.Text = TextBox1.Text.Replace("'", "`");
            TextBox1.Text = TextBox1.Text.Replace(";", ",");
            TextBox1.Text = TextBox1.Text.Replace("\\", ",");

            if (Regex.IsMatch(TextBox1.Text, "[^a-zA-Z0-9-/_() .,áéíóúÁÉÍÓÚñÑ`]"))
            {
                MessageBox.Show("En el campo escrito existe caracter especial no admitido. Reemplace y vuelva a presionar ENTER.", "ATENCIÓN", MessageBoxButtons.OK, MessageBoxIcon.Information);
                TextBox1.Select();
                return;
            }

            if (TextBox2.Text == "")
            {
                TextBox2.Select();
                return;
            }

            TextBox2.Text = TextBox2.Text.Replace("&", "y");
            TextBox2.Text = TextBox2.Text.Replace("'", "`");
            TextBox2.Text = TextBox2.Text.Replace(";", ",");
            TextBox2.Text = TextBox2.Text.Replace("\\", ",");

            if (Regex.IsMatch(TextBox2.Text, "[^a-zA-Z0-9-/_() .,áéíóúÁÉÍÓÚñÑ`]"))
            {
                MessageBox.Show("En el campo escrito existe caracter especial no admitido. Reemplace y vuelva a presionar ENTER.", "ATENCIÓN", MessageBoxButtons.OK, MessageBoxIcon.Information);
                TextBox2.Select();
                return;
            }

            if (TextBox3.Text == "")
            {
                TextBox3.Select();
                return;
            }

            TextBox3.Text = TextBox3.Text.Replace("&", "y");
            TextBox3.Text = TextBox3.Text.Replace("'", "`");
            TextBox3.Text = TextBox3.Text.Replace(";", ",");
            TextBox3.Text = TextBox3.Text.Replace("\\", ",");

            if (Regex.IsMatch(TextBox3.Text, "[^a-zA-Z0-9-/_() .,áéíóúÁÉÍÓÚñÑ`]"))
            {
                MessageBox.Show("En el campo escrito existe caracter especial no admitido. Reemplace y vuelva a presionar ENTER.", "ATENCIÓN", MessageBoxButtons.OK, MessageBoxIcon.Information);
                TextBox3.Select();
                return;
            }

            if (TextBox4.Text == "")
            {
                TextBox4.Select();
                return;
            }

            TextBox4.Text = TextBox4.Text.Replace("&", "y");
            TextBox4.Text = TextBox4.Text.Replace("'", "`");
            TextBox4.Text = TextBox4.Text.Replace(";", ",");
            TextBox4.Text = TextBox4.Text.Replace("\\", ",");

            if (Regex.IsMatch(TextBox4.Text, "[^a-zA-Z0-9-/_() .,áéíóúÁÉÍÓÚñÑ`]"))
            {
                MessageBox.Show("En el campo escrito existe caracter especial no admitido. Reemplace y vuelva a presionar ENTER.", "ATENCIÓN", MessageBoxButtons.OK, MessageBoxIcon.Information);
                TextBox4.Select();
                return;
            }

            if (ComboBox1.Text == "")
            {
                ComboBox1.Select();
                return;
            }

            TextBox1.Text = TextBox1.Text.ToUpper().Trim();
            TextBox4.Text = TextBox4.Text.ToUpper().Trim();

            if (ComboBox1.Text == "<<Selecione uno>>")
            {
                MessageBox.Show("Seleccione una opción de Rango; Administrador u Operador.", "¡ATENCIÓN!", MessageBoxButtons.OK, MessageBoxIcon.Information);
                ComboBox1.Select();
                return;
            }

            if (TextBox5.Text == "")
            {
                TextBox5.Select();
                return;
            }

            TextBox5.Text = TextBox5.Text.Replace("&", "y");
            TextBox5.Text = TextBox5.Text.Replace("'", "`");
            TextBox5.Text = TextBox5.Text.Replace(";", ",");
            TextBox5.Text = TextBox5.Text.Replace("\\", ",");

            if (Regex.IsMatch(TextBox5.Text, "[^a-zA-Z0-9-/_() .,áéíóúÁÉÍÓÚñÑ`]"))
            {
                MessageBox.Show("En el campo escrito existe caracter especial no admitido. Reemplace y vuelva a presionar ENTER.", "ATENCIÓN", MessageBoxButtons.OK, MessageBoxIcon.Information);
                TextBox5.Select();
                return;
            }

            HttpWebRequest rq = (HttpWebRequest)WebRequest.Create("http://" + Global._host + "/ecv/usuarios_update.php");
            rq.Method = "POST";
            byte[] byteArray = Encoding.UTF8.GetBytes(string.Format("nu={0}▼{1}▼{2}▼{3}▼{4}▼{5}▼{6}▼{7}▼{8}▼{9}▼{10}▼{11}▼{12}",
                TextBox5.Text.Trim(), TextBox1.Text, ComboBox1.Text, TextBox2.Text, TextBox3.Text, TextBox4.Text, Global.chec2, Global.chec1, ID_LABEL.Text,reg,rep,conf,regComp));
            rq.ContentType = "application/x-www-form-urlencoded";
            rq.ContentLength = byteArray.Length;
            Stream stream = rq.GetRequestStream();
            stream.Write(byteArray, 0, byteArray.Length);
            stream.Close();
            //
            WebResponse response = rq.GetResponse();
            stream = response.GetResponseStream();
            StreamReader reader = new StreamReader(stream);
            string devuelve = reader.ReadToEnd();
            reader.Close();
            stream.Close();
            response.Close();

            string resultado = devuelve.ToUpper();
            bool re;
            re = resultado.Contains("<BR");
            if (re == true)
            {
                MessageBox.Show(devuelve);
                return;
            }

            MessageBox.Show(devuelve.Trim(), "¡ATENCIÓN!", MessageBoxButtons.OK, MessageBoxIcon.Information);

            if (devuelve.Trim().Substring(0, 6) != "...Est")
            {
                LIMPIAR();
                TextBox1.Select();
            }
        }

        private void Btn_Cerrar_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void TextBox2_TextChanged(object sender, EventArgs e)
        {

        }

        private void TextBox3_TextChanged(object sender, EventArgs e)
        {

        }

        private void CheckBox1_CheckedChanged(object sender, EventArgs e)
        {

        }

        private void TextBox4_TextChanged(object sender, EventArgs e)
        {

        }

        private void ComboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
            if(ComboBox1.Text== "Administrador")
            {
                CheckBox1.Checked = true;
                CheckBox2.Checked = true;
            }
            else
            {
                CheckBox1.Checked = false;
                CheckBox2.Checked = false;
            }
        }

    }
}