MIP/Mip/frmUlozPolotovarZVyroby.cs

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

namespace Mip
{
    public partial class frmUlozPolotovarZVyroby : Form
    {
        Int32 idVyrobok;
        Int32 idPolotovar;
        bool enableUpdate = false;
        DataTable tblPolotovar;
        DataTable tblVyrobok;
        Int32 IDpolotovar;

        string rozmertvarVyrobku;
        decimal rozmer1Vyrobku;
        decimal rozmer2Vyrobku;
        decimal rozmer3Vyrobku;

        string rozmerTvarPotovaru = "Ø";
        decimal rozmer1Potovaru;
        decimal rozmer2Potovaru;
        decimal rozmer3Potovaru;
        Int32 pocetKusovVpolotovare;

        public string VelkostPolotovaru { get; set; }

        public frmUlozPolotovarZVyroby(int _idVyrobok = 0, int _idPolotovar = 0)
        {
            idVyrobok = _idVyrobok;
            idPolotovar = _idPolotovar;

            string cmdPolotovar;
            cmdPolotovar = $"SELECT * FROM `tabpolotovar` WHERE IDVyrobok = {idVyrobok.ToString()};";
            classSQL.SQL(cmdPolotovar, out tblPolotovar);

            if (tblPolotovar.Rows.Count > 0)
            {
                rozmerTvarPotovaru = tblPolotovar.Rows[0]["RozmerTvar"].ToString();
                rozmer1Potovaru = Convert.ToInt32(tblPolotovar.Rows[0]["Rozmer1"]);
                rozmer2Potovaru = Convert.ToInt32(tblPolotovar.Rows[0]["Rozmer2"]);
                rozmer3Potovaru = Convert.ToInt32(tblPolotovar.Rows[0]["Rozmer3"]);
                pocetKusovVpolotovare = Convert.ToInt32(tblPolotovar.Rows[0]["PocetKusovVPolotovare"]);
                IDpolotovar = Convert.ToInt32(tblPolotovar.Rows[0]["IDPolotovar"].ToString());

                enableUpdate = true;
            }
            //else
            //{
            //    rozmerTvarPotovaru = "Ø";
            //}

            string cmdVyrobok;
            cmdVyrobok = $"SELECT * FROM `tabvyrobok` WHERE IDVyrobok = {idVyrobok.ToString()};";
            classSQL.SQL(cmdVyrobok, out tblVyrobok);

            if (tblVyrobok.Rows.Count > 0)
            {
                rozmertvarVyrobku = tblVyrobok.Rows[0]["RozmerTvar"].ToString();
                rozmer1Vyrobku = Convert.ToInt32(tblVyrobok.Rows[0]["Rozmer1"]);
                rozmer2Vyrobku = Convert.ToInt32(tblVyrobok.Rows[0]["Rozmer2"]);
                rozmer3Vyrobku = Convert.ToInt32(tblVyrobok.Rows[0]["Rozmer3"]);
            }

            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void button2_Click(object sender, EventArgs e)
        {
            string cmd;
            if (enableUpdate == true)
            {
                cmd = $@"UPDATE `tabpolotovar` SET  
                            `RozmerTvar` = '{label7.Text}', 
                            `Rozmer1` = {numericUpDown2.Value}, 
                            `Rozmer2` = {numericUpDown3.Value}, 
                            `Rozmer3` = {numericUpDown4.Value},
                            `PocetKusovVPolotovare` = {numericUpDown5.Value} 
                            WHERE IDpolotovar = {IDpolotovar.ToString()};";
                classSQL.SQL(cmd);
            }
            else
            {
                cmd = $@"INSERT INTO `tabpolotovar` (`IDVyrobok`, `RozmerTvar`, `Rozmer1`, `Rozmer2`, `Rozmer3`, `PocetKusovVPolotovare`) VALUES (
                            {idVyrobok.ToString()}, 
                            '{label7.Text}', 
                            {numericUpDown2.Value}, 
                            {numericUpDown3.Value},
                            {numericUpDown4.Value}, 
                            {numericUpDown5.Value});";
                classSQL.SQL(cmd);
                enableUpdate = true;
            }
            this.Close();
        }

        private void frmUlozPolotovar_Shown(object sender, EventArgs e)
        {
            numericUpDown2.Focus();
            RefreshPolotovar();
        }

        private void RefreshPolotovar()
        {
            var oddelovac = rozmertvarVyrobku == "Ø" ? "/" : "x";
            label12.Text = $"Rozmery výrobku: {rozmertvarVyrobku}{rozmer1Vyrobku}{oddelovac}{rozmer2Vyrobku}{"x"}{rozmer3Vyrobku}";
            label7.Text = rozmerTvarPotovaru;
            numericUpDown2.Value = rozmer1Potovaru;
            numericUpDown3.Value = rozmer2Potovaru;
            numericUpDown4.Value = rozmer3Potovaru;
            numericUpDown5.Value = pocetKusovVpolotovare;

            var oddelovacPolotor = rozmerTvarPotovaru == "Ø" ? "/" : "x";
            label6.Text = $"Rozmery polotovaru: {rozmerTvarPotovaru}{rozmer1Potovaru}{oddelovacPolotor}{rozmer2Potovaru}{"x"}{rozmer3Potovaru}";
            VelkostPolotovaru = $"{rozmerTvarPotovaru}{rozmer1Potovaru}{oddelovacPolotor}{rozmer2Potovaru}{"x"}{rozmer3Potovaru} ({pocetKusovVpolotovare}-Ks)";
        }

        private void numericUpDown2_ValueChanged(object sender, EventArgs e)
        {
            var nud = sender as NumericUpDown;
            rozmer1Potovaru = nud.Value;
            RefreshPolotovar();
        }

        private void numericUpDown3_ValueChanged(object sender, EventArgs e)
        {
            var nud = sender as NumericUpDown;
            rozmer2Potovaru = nud.Value;
            RefreshPolotovar();
        }

        private void numericUpDown4_ValueChanged(object sender, EventArgs e)
        {
            var nud = sender as NumericUpDown;
            rozmer3Potovaru = nud.Value;
            RefreshPolotovar();
        }

        private void numericUpDown5_ValueChanged(object sender, EventArgs e)
        {
            var nud = sender as NumericUpDown;
            pocetKusovVpolotovare = Convert.ToInt32(nud.Value);
            RefreshPolotovar();
        }

        private void label7_Click(object sender, EventArgs e)
        {
            if (label7.Text == "Ø")
            {
                rozmerTvarPotovaru = "□";
            }
            else
            {
                rozmerTvarPotovaru = "Ø";
            }
            RefreshPolotovar();
        }

        private void label12_DoubleClick(object sender, EventArgs e)
        {
            label7.Text = rozmertvarVyrobku;
            numericUpDown2.Value = rozmer1Vyrobku;
            numericUpDown3.Value = rozmer2Vyrobku;
            numericUpDown4.Value = rozmer3Vyrobku;
        }

        private void numericUpDown2_Enter(object sender, EventArgs e)
        {
            var numeric = sender as NumericUpDown;
            numeric.Select(0, numeric.Text.Length);
        }

        private void numericUpDown3_Enter(object sender, EventArgs e)
        {
            var numeric = sender as NumericUpDown;
            numeric.Select(0, numeric.Text.Length);
        }

        private void numericUpDown4_Enter(object sender, EventArgs e)
        {
            var numeric = sender as NumericUpDown;
            numeric.Select(0, numeric.Text.Length);
        }

        private void numericUpDown5_Enter(object sender, EventArgs e)
        {
            var numeric = sender as NumericUpDown;
            numeric.Select(0, numeric.Text.Length);
        }
    }
}