Biskilog/BISKILOG POS BASIC/Company Setup/FinalStep.cs

using BiskLog_Point_Of_Sale.Multiple_Login;
using BiskLog_Point_Of_Sale.Properties;
using Point_Of_Sale_Managment;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace BiskLog_Point_Of_Sale.Company_Setup
{
    public partial class FinalStep : Form
    {
        Holder holder;
        string Loc;
        SqlConnection cn;
        SqlCommand cm, cm1, cm2;
        SqlDataReader dr;
        DatabaseConn conn = new DatabaseConn();
        SqlTransaction transaction;
        string branchidentity = "";
        public FinalStep(Holder hol, string previous)
        {
            InitializeComponent();
            cn = new SqlConnection(conn.MyConnection());
            holder = hol;
            Loc = previous;
        }

        private void Button2_Click(object sender, EventArgs e)
        {
            if (Loc == "NewComp")
            {
                holder.moveToNewCompany();
            }
            else if (Loc == "Branch")
            {
                holder.moveToBranch(BranchSetup.forlo);
            }
        }
        public string branchID()
        {
            cm2 = new SqlCommand("Select Count(branchID) from tblBranches", cn);
            dr = cm2.ExecuteReader();
            dr.Read();
            string branch_id = "BRID" + dr[0].ToString();
            dr.Close();
            branchidentity = branch_id;
            return branch_id;
        }
        private async void Button1_Click(object sender, EventArgs e)
        {

            if (password.Text.Equals(passwordConfirmation.Text))
            {
                if (!String.IsNullOrEmpty(serverLocation.Text) && !String.IsNullOrEmpty(password.Text) && !String.IsNullOrEmpty(txtusername.Text))
                {
                    Task<int> task = new Task<int>(() =>
                    {
                        try
                        {
                            serverLocation.Invoke(new Action(() =>
                            {
                                if (!String.IsNullOrEmpty(portNumber.Text))
                                {
                                    Settings.Default["Connection"] = passwordEncryption.Encrypt("Data Source=" + serverLocation.Text + "," + portNumber.Text + ";Database=BISK_POS;User ID= " + txtusername.Text +
                                ";Password=" + password.Text);
                                }
                                else
                                {
                                    Settings.Default["Connection"] = passwordEncryption.Encrypt("Data Source=" + serverLocation.Text + ";Database=BISK_POS;User ID= " + txtusername.Text +
                                    ";Password=" + password.Text);
                                }
                                Settings.Default.Save();
                                cn = new SqlConnection(conn.MyConnection());
                                createEntity();
                                Settings.Default.BranchAddress = NewCompany.branch_address;
                                Settings.Default.BranchCity = NewCompany.branch_city;
                                Settings.Default.BranchID = branchidentity;
                                Settings.Default.BranchName = NewCompany.branchAlias;
                                Settings.Default.BranchTelephone = NewCompany.branch_telephone;
                                Settings.Default.Configured = true;
                                Settings.Default.CompanyName = NewCompany.company_name;
                                Settings.Default.vatNumber = NewCompany.company_vat;
                                Settings.Default.Save();
                            }));
                            return 1;
                        }
                        catch
                        {
                            cn.Close();
                            return 2;
                        }

                    });
                    holdup.Visible = true;
                    button1.Enabled = false;
                    button2.Enabled = false;
                    task.Start();
                    int result = await task;
                    if (result == 1)
                    {
                        Settings.Default.Configured = true;
                        holder.moveToLogin();
                    }
                    else
                    {
                        string title = "Unable to connect to server";
                        string message = "Sorry we are unable to connect to the company's database at this time, please verify the " +
                            "credentials provided are correct and try again !!";
                        NoAction noAction = new NoAction(title, message);
                        noAction.BringToFront();
                        noAction.ShowDialog();
                    }
                    holdup.Visible = false;
                    button1.Enabled = true;
                    button2.Enabled = true;
                }
                else
                {
                    a1.Visible = true;
                    a2.Visible = true;
                    a3.Visible = true;
                    a4.Visible = true;
                    string title = "Essential fields empty";
                    string message = "Fields with asterisk have to be filled to continue";
                    NoAction noAction = new NoAction(title, message);
                    noAction.BringToFront();
                    noAction.ShowDialog();
                }
            }
        }
        public void createEntity()
        {
            try
            {
                cn.Open();
                string id = branchID();
                transaction = cn.BeginTransaction();
                cm = new SqlCommand("Insert into tblCompanyDetails (company_name,address,website,email,tin,vatno,main_telephone) values (" +
                    "@company_name,@address,@website,@email,@tin,@vatno,@main_telephone)", cn);
                cm.Parameters.AddWithValue("@company_name", NewCompany.company_name);
                cm.Parameters.AddWithValue("@address", NewCompany.company_address);
                cm.Parameters.AddWithValue("@website", NewCompany.company_website);
                cm.Parameters.AddWithValue("@email", NewCompany.company_email);
                cm.Parameters.AddWithValue("@tin", NewCompany.company_tin);
                cm.Parameters.AddWithValue("@vatno", NewCompany.company_vat);
                cm.Parameters.AddWithValue("@main_telephone", NewCompany.company_telephone);
                cm.Transaction = transaction;
                cm.ExecuteNonQuery();
                cm1 = new SqlCommand("Insert into tblBranches (branchID,branchName,address,city,state_or_province," +
                    "branch_telephone) values (@branchID,@branchName,@address,@city,@state_or_province,@branch_telephone)", cn);
                cm1.Parameters.AddWithValue("@branchName", NewCompany.branchAlias);
                cm1.Parameters.AddWithValue("@address", NewCompany.branch_address);
                cm1.Parameters.AddWithValue("@city", NewCompany.branch_city);
                cm1.Parameters.AddWithValue("@state_or_province", NewCompany.branch_province);
                cm1.Parameters.AddWithValue("@branch_telephone", NewCompany.branch_telephone);
                cm1.Parameters.AddWithValue("@branchID", id);
                cm1.Transaction = transaction;
                cm1.ExecuteNonQuery();
                transaction.Commit();
                cn.Close();
            }
            catch
            {
                transaction.Rollback();
                cn.Close();
            }
        }
    }
}