MIP/Mip/frmVybratTypVyhodnotenia.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Mip
{
    public partial class frmVybratTypVyhodnotenia : Form
    {
        DataTable dopyty;
        public frmVybratTypVyhodnotenia()
        {
            InitializeComponent();
            string cmd = "";

            cmd = $@"select `Zakaznik` as 'Zákazník', 
                            `IdVyrobok` as 'ID výrobok', 
                            `NazovVyrobku` as 'Názov výrobku', 
                            `Material` as 'Materiál', 
                            `Pocetkusov` as 'Počet', 
                            `CenaOBJ` as 'Cena', 
                            `ZakCislo` as 'Zákazkové číslo', 
                            '0' as 'ID naceňovanie'
                    from `pohladdopyty`
                    where ((`pohladdopyty`.TypDopytu = 'Objednávka' or `pohladdopyty`.TypDopytu = 'Objednávka do kontraktu') and `pohladdopyty`.`StatusDopytu` = 'Odoslaná')
                    union select `tabvyrobok`.Zakaznik as 'Zákazník', 
                            `tab-nacenovanie`.IdVyrobokNac as 'ID výrobok', 
                            `tabvyrobok`.NazovVyrobku as 'Názov výrobku', 
                            `Material1` as 'Materiál', 
                            `PocetNacenovanychKusov` as 'Počet', 
                            `myNuD71` as 'Cena', 
                            '0' as 'Zákazkové číslo', 
                            `tab-nacenovanie`.IDNacenovanie as 'ID naceňovanie'
                    from `tab-nacenovanie`
                    left join `tabvyrobok` on `tab-nacenovanie`.IdVyrobokNac = `tabvyrobok`.IdVyrobok
                    left join `tab-nacenovanie-nacenovanie` on `tab-nacenovanie`.IDNacenovanie = `tab-nacenovanie-nacenovanie`.IDNacenovanie
                    where `tab-nacenovanie-nacenovanie`.myNuD71 > 0";
            classSQL.SQL(cmd, out dopyty);
            refreshZoznamTypVyhodnotenia();
        }

        private void refreshZoznamTypVyhodnotenia()
        {
            DataTable dataTable = new DataTable();
            if (checkBox3.Checked)
            {
                dataTable = null;
            }
            else
            if (checkBox1.Checked)
            {
                if (checkBox2.Checked)
                {
                    try
                    {
                        dataTable = dopyty.AsEnumerable()
                        .Where(row =>
                              row.Field<String>("Zákazkové číslo").ToLower().Contains(textBox1.Text.ToLower())
                           && row.Field<String>("Zákazník").ToLower().Contains(textBox4.Text.ToLower())
                           && row.Field<String>("Názov výrobku").ToLower().Contains(textBox2.Text.ToLower())
                           ).CopyToDataTable();
                    }
                    catch
                    {
                        dataTable = null;
                    }
                }
                else
                {
                    try
                    {
                        dataTable = dopyty.AsEnumerable()
                        .Where(row =>
                              row.Field<String>("Zákazkové číslo").ToLower().Contains(textBox1.Text.ToLower())
                           && row.Field<String>("Zákazník").ToLower().Contains(textBox4.Text.ToLower())
                           && row.Field<String>("Názov výrobku").ToLower().Contains(textBox2.Text.ToLower())
                           && row.Field<String>("Zákazkové číslo") != "0"
                           ).CopyToDataTable();
                    }
                    catch
                    {
                        dataTable = null;
                    }
                }

            }
            else
            {
                if (checkBox2.Checked)
                {
                    try
                    {
                        dataTable = dopyty.AsEnumerable()
                        .Where(row =>
                              row.Field<String>("Zákazkové číslo").ToLower().Contains(textBox1.Text.ToLower())
                           && row.Field<String>("Zákazník").ToLower().Contains(textBox4.Text.ToLower())
                           && row.Field<String>("Názov výrobku").ToLower().Contains(textBox2.Text.ToLower())
                           && row.Field<String>("ID naceňovanie") != "0"
                           ).CopyToDataTable();
                    }
                    catch
                    {
                        dataTable = null;
                    }
                }
                else
                {
                    try
                    {
                        dataTable = dopyty.AsEnumerable()
                        .Where(row =>
                              row.Field<String>("Zákazkové číslo").ToLower().Contains(textBox1.Text.ToLower())
                           && row.Field<String>("Zákazník").ToLower().Contains(textBox4.Text.ToLower())
                           && row.Field<String>("Názov výrobku").ToLower().Contains(textBox2.Text.ToLower())
                           && row.Field<String>("Zákazkové číslo") == "0"
                           && row.Field<String>("ID naceňovanie") == "0"
                           ).CopyToDataTable();
                    }
                    catch
                    {
                        dataTable = null;
                    }
                }
            }
               
            if(dataTable == null) label9.Text = "0";
            else label9.Text = dataTable.Rows.Count.ToString();
            dataGridView2.DataSource = dataTable;
            dataGridView2.ClearSelection();
            
        }

        private void textBox1_TextChanged(object sender, EventArgs e)
        {
            refreshZoznamTypVyhodnotenia();
        }

        private void textBox4_TextChanged(object sender, EventArgs e)
        {
            refreshZoznamTypVyhodnotenia();
        }

        private void textBox2_TextChanged(object sender, EventArgs e)
        {
            refreshZoznamTypVyhodnotenia();
        }

        private void checkBox1_CheckedChanged(object sender, EventArgs e)
        {
            refreshZoznamTypVyhodnotenia();
        }

        private void checkBox2_CheckedChanged(object sender, EventArgs e)
        {
            refreshZoznamTypVyhodnotenia();
        }

        private void checkBox3_CheckedChanged(object sender, EventArgs e)
        {
            if (checkBox1.Enabled == true)
            {
                checkBox1.Enabled = false;
                checkBox2.Enabled = false;
                label7.Enabled = true;
                label8.Enabled = true;
                label10.Enabled = true;
                label11.Enabled = true;
                numericUpDown1.Enabled = true;
                numericUpDown1.Value = 0;
                numericUpDown2.Enabled = true;
                numericUpDown2.Value = 1;
                textBox5.Enabled = true;
                textBox5.Text = "";
                textBox3.Text = "";
                loadTextBox5();
            }
            else
            {
                checkBox1.Enabled = true;
                checkBox2.Enabled = true;
                label7.Enabled = false;
                label8.Enabled = false;
                label10.Enabled = false;
                label11.Enabled = false;
                numericUpDown1.Enabled = false;
                numericUpDown1.Value = 0;
                numericUpDown2.Enabled = false;
                numericUpDown2.Value = 1;
                textBox5.Enabled = false;
                textBox5.Text = "";
                textBox3.Text = "";
            }
            refreshZoznamTypVyhodnotenia();
        }

        private void loadTextBox5()
        {
            if(textBox5.Enabled == true)
            {
                string[] postSourceZakaznik = dopyty
                .AsEnumerable()
                .GroupBy(x => x.Field<String>("Zákazník"))
                .Select(x => x.First())
                .CopyToDataTable()
                    .AsEnumerable()
                    .Select<DataRow, String>(x => x.Field<String>("Zákazník"))
                    .ToArray();

                var source2 = new AutoCompleteStringCollection();
                source2.AddRange(postSourceZakaznik);

                textBox5.AutoCompleteCustomSource = source2;
                textBox5.AutoCompleteMode = AutoCompleteMode.SuggestAppend;
                textBox5.AutoCompleteSource = AutoCompleteSource.CustomSource;
            }
            else
            {
                textBox5.AutoCompleteCustomSource = null;
                textBox5.AutoCompleteMode = AutoCompleteMode.None;
                textBox5.AutoCompleteSource = AutoCompleteSource.None;
            }
            loadTextBox3();
        }

        private void loadTextBox3()
        {
            if (textBox3.Enabled == true)
            {
                try
                {
                    string[] postSourceVyrobok = dopyty
                .AsEnumerable()
                .GroupBy(x => x.Field<String>("Názov výrobku"))
                .Select(x => x.First())
                .Where(y => y.Field<String>("Zákazník").ToLower().Contains(textBox5.Text.ToLower()))
                .CopyToDataTable()
                    .AsEnumerable()
                    .Select<DataRow, String>(x => x.Field<String>("Názov výrobku"))
                    .ToArray();

                var source = new AutoCompleteStringCollection();
                source.AddRange(postSourceVyrobok);

                textBox3.AutoCompleteCustomSource = source;
                textBox3.AutoCompleteMode = AutoCompleteMode.SuggestAppend;
                textBox3.AutoCompleteSource = AutoCompleteSource.CustomSource;
                }
                catch
                {

                }
            }
            else
            {
                textBox3.AutoCompleteCustomSource = null;
                textBox3.AutoCompleteMode = AutoCompleteMode.None;
                textBox3.AutoCompleteSource = AutoCompleteSource.None;

            }
        }

        private void textBox5_TextChanged(object sender, EventArgs e)
        {
            if(textBox5.Text != "" && textBox5.Enabled == true) { label5.Enabled = true; textBox3.Enabled = true; }
            else { label5.Enabled = false; textBox3.Enabled = false; }
            loadTextBox3();
        }

        private void dataGridView2_CellClick(object sender, DataGridViewCellEventArgs e)
        {
            textBox5.Text = dataGridView2.SelectedRows[0].Cells["Zákazník"].Value.ToString();
            textBox3.Text = dataGridView2.SelectedRows[0].Cells["Názov výrobku"].Value.ToString();
            numericUpDown2.Value = Int32.Parse(dataGridView2.SelectedRows[0].Cells["Počet"].Value.ToString());
            numericUpDown1.Value = Decimal.Parse(dataGridView2.SelectedRows[0].Cells["Cena"].Value.ToString());
        }

        private void numericUpDown1_ValueChanged(object sender, EventArgs e)
        {
            if (numericUpDown1.Value > 0 && textBox3.Text != "") button2.Enabled = true;
            else button2.Enabled = false;
        }

        private void frmVybratTypVyhodnotenia_Load(object sender, EventArgs e)
        {
            dataGridView2.ClearSelection();
        }
    }
}