avtoservis/Servise/Forms/User/AddClient.cs

using System;
using System.Data;
using System.Data.SqlClient;
using System.Windows.Forms;

namespace Servise.Forms.User
{
    public partial class AddClient : Form
    {
        public AddClient()
        {
            InitializeComponent();
        }
         

        DataBase conect = new DataBase();
        private void saveClient_Click(object sender, EventArgs e)
        {
           conect.openConect();


            string nc = textNameClient.Text;
            string sc = textSurnameClient.Text;
            string pc = maskedPhoneClient.Text;

            var indert = "INSERT INTO client (name_client, surname_client, phone_client) VALUES ('" + nc + "','" + sc + "','" + pc + "');";
            var command = new SqlCommand(indert, conect.getConect());
            command.ExecuteNonQuery();
            Main.upd("SELECT * FROM client", dataClient, "id_client");

            conect.closeConect();
        }

        

        private void AddClient_Load(object sender, EventArgs e)
        {
            Main.upd("SELECT * FROM client", dataClient, "id_client");
        }

        private void AddClient_FormClosed(object sender, FormClosedEventArgs e)
        {
            Application.Exit();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            if (textNameClient.Text == "")
            {
                textNameClient.Text = " ";
            }
            if (textSurnameClient.Text == "")
            {
                textSurnameClient.Text = " ";
            }
            if (maskedPhoneClient.Text == "")
            {
                maskedPhoneClient.Text = " ";
            }
            Main.upd("SELECT * FROM client where name_client LIKE '%" + textNameClient.Text + "%' or surname_client LIKE '%" + textSurnameClient.Text + "%' or phone_client LIKE '%" + maskedPhoneClient.Text + "%'", dataClient, "id_client");
        }

        private void button2_Click(object sender, EventArgs e)
        {
            this.Hide();
            Users goUser = new Users();
            goUser.Show();
        }

        private void label1_Click(object sender, EventArgs e)
        {

        }

        private void textSurnameClient_TextChanged(object sender, EventArgs e)
        {

        }
    }
}