Je trouve les temps de chargement de mon application un peu longs.
Dans certaine de mais bases j'ai 100 milles lignes.

Au début de mon code je rempli mais DataTables avec mes bases entières. Et ensuite je fais des if dans des for pour trouver les infos dont j'ai besoin.

Ne serait-il pas mieux de remplir mes DataTables dans mes fonctions et de faire des WHERE dans mes requetes SQL, comme cela il y aurait moins de boucles.

Si vous trouvez d'autres choses à améliorer dites le moi.

Voici mon code :

Code : Sélectionner tout - Visualiser dans une fenêtre à part
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namespace Consultationbis
{
    public partial class F_ConsultSearch : Form
    {
        SqlConnection m_cnADONetConnection = new SqlConnection();
        SqlDataAdapter m_daDataAdapter1;
        SqlDataAdapter m_daDataAdapter2;
        SqlDataAdapter m_daDataAdapter3;
        SqlDataAdapter m_daDataAdapter4;
        SqlDataAdapter m_daDataAdapter5;
        DataSetConsultSearch m_ConsultSearchData = new DataSetConsultSearch();
        bool ValidationRefInt = false;
        bool ValidationClt = false;
        bool ValidationFrs = false;
 
        public F_ConsultSearch()
        {
            InitializeComponent();
        }
 
        private void F_ConsultSearch_Load(object sender, EventArgs e)
        {
            new F_ConsultRef().Show();
            Application.OpenForms[0].Focus();
            m_cnADONetConnection.ConnectionString =
            @"Server=***;Database=***;User ID=***;Password=***;Trusted_Connection=False";
            m_cnADONetConnection.Open();
            m_daDataAdapter1 = new SqlDataAdapter("SELECT AKKNDI,AKARTK, AKARTN  FROM ARKF_ACTIF ORDER BY AKARTN;", m_cnADONetConnection);
            m_daDataAdapter2 = new SqlDataAdapter("SELECT KNKNDI, KNKNDK, KNKNMN FROM KNDF ORDER BY KNKNDK;", m_cnADONetConnection);
            m_daDataAdapter3 = new SqlDataAdapter("SELECT ITNBR, ITDSC FROM ITEMASA ORDER BY ITNBR;", m_cnADONetConnection);
            m_daDataAdapter4 = new SqlDataAdapter("SELECT LLCDPA,LLCDFO FROM LISTF00F_ACTIF ORDER BY LLCDFO;", m_cnADONetConnection);
            m_daDataAdapter5 = new SqlDataAdapter("SELECT VNDNR,VNAME FROM VENNAM ORDER BY VNDNR;", m_cnADONetConnection);
            m_daDataAdapter1.Fill(m_ConsultSearchData.ARKF_ACTIF);
            m_daDataAdapter2.Fill(m_ConsultSearchData.KNDF);
            m_daDataAdapter3.Fill(m_ConsultSearchData.ITEMASA);
            m_daDataAdapter4.Fill(m_ConsultSearchData.LISTF00F_ACTIF);
            m_daDataAdapter5.Fill(m_ConsultSearchData.VENNAM);
 
            //Init Les Liste
            Lst_Ref.Items.Clear();
            Lst_Clt.Items.Clear();
            Lst_Frs.Items.Clear();
 
        }
 
        public void RemplListRefAvecCodeClt(string CodeCltEnCours)
        {
            Lst_Ref.Items.Clear();
            int NbreDePiecesPourClientSelect; NbreDePiecesPourClientSelect = 0;
            int PositionRefEnCours; PositionRefEnCours = 0;
 
            for (int i = 0; i < m_ConsultSearchData.KNDF.Rows.Count; i++)
            {
                if (m_ConsultSearchData.KNDF[i].KNKNDK.ToString() == CodeCltEnCours)
                {
                    for (int j = 0; j < m_ConsultSearchData.ARKF_ACTIF.Rows.Count; j++)
                    {
                        if (m_ConsultSearchData.ARKF_ACTIF[j].AKKNDI.ToString() == m_ConsultSearchData.KNDF[i].KNKNDI.ToString())
                        {
                            for (int k = 0; k < m_ConsultSearchData.ITEMASA.Rows.Count; k++)
                            {
                                if (m_ConsultSearchData.ITEMASA[k].ITNBR.ToString() == m_ConsultSearchData.ARKF_ACTIF[j].AKARTN.ToString())
                                {
                                    NbreDePiecesPourClientSelect++;
                                    ListViewItem objListItem;
                                    objListItem = new ListViewItem(m_ConsultSearchData.ITEMASA[k].ITNBR.ToString());
                                    objListItem.ImageIndex = 0;
                                    objListItem.SubItems.Add(m_ConsultSearchData.ITEMASA[k].ITDSC.ToString());
                                    Lst_Ref.Items.Add(objListItem);
                                    if (m_ConsultSearchData.ITEMASA[k].ITNBR.ToString() == Txt_RefInt.Text)
                                    {
                                        PositionRefEnCours = NbreDePiecesPourClientSelect - 1;
                                    }
                                }
                            }
                        }
                    }
                }
            }
            if (Lst_Ref.Items.Count > 0)
            {
                Lst_Ref.Items[PositionRefEnCours].Selected = true;
                Lst_Ref.Select();
                Txt_RefInt.Text = Lst_Ref.SelectedItems[0].Text;
            }
 
        }
 
        public void RemplListRefAvecCodeFrs(string CodeFrsEnCours)
        {
            Lst_Ref.Items.Clear();
            int NbreDePiecesPourFrsSelect; NbreDePiecesPourFrsSelect = 0;
            int PositionRefEnCours; PositionRefEnCours = 0;
 
            for (int i = 0; i < m_ConsultSearchData.LISTF00F_ACTIF.Rows.Count; i++)
            {
                if (m_ConsultSearchData.LISTF00F_ACTIF[i].LLCDFO.ToString() == CodeFrsEnCours)
                {
                    for (int j = 0; j < m_ConsultSearchData.ARKF_ACTIF.Rows.Count; j++)
                    {
                        if (m_ConsultSearchData.ITEMASA[j].ITNBR.ToString() == m_ConsultSearchData.LISTF00F_ACTIF[i].LLCDPA.ToString())
                        {
                            NbreDePiecesPourFrsSelect++;
                            ListViewItem objListItem;
                            objListItem = new ListViewItem(m_ConsultSearchData.ITEMASA[j].ITNBR.ToString());
                            objListItem.ImageIndex = 0;
                            objListItem.SubItems.Add(m_ConsultSearchData.ITEMASA[j].ITDSC.ToString());
                            Lst_Ref.Items.Add(objListItem);
                            if (m_ConsultSearchData.ITEMASA[j].ITNBR.ToString() == Txt_RefInt.Text)
                            {
                                PositionRefEnCours = NbreDePiecesPourFrsSelect - 1;
                            }
                        }
                    }
                }
            }
            if (Lst_Ref.Items.Count > 0)
            {
                Lst_Ref.Items[PositionRefEnCours].Selected = true;
                Lst_Ref.Select();
                Txt_RefInt.Text = Lst_Ref.SelectedItems[0].Text;
            }
            else
            {
                Txt_RefInt.Text = null;
            }
            Txt_CodeClt.Text = null;
            Txt_RefClt.Text = null;
        }
 
        public void RemplListFrsAvecRef(string RefEnCours)
        {
            Lst_Frs.Items.Clear();
            int NbreDeFrsPourPieceSelect; NbreDeFrsPourPieceSelect = 0;
            int PositionFrsEnCours; PositionFrsEnCours = 0;
            for (int i = 0; i < m_ConsultSearchData.LISTF00F_ACTIF.Rows.Count; i++)
            {
                if (m_ConsultSearchData.LISTF00F_ACTIF[i].LLCDPA.ToString() == Txt_RefInt.Text)
                {
                    for (int j = 0; j < m_ConsultSearchData.VENNAM.Rows.Count; j++)
                    {
                        if (m_ConsultSearchData.VENNAM[j].VNDNR.ToString() == m_ConsultSearchData.LISTF00F_ACTIF[i].LLCDFO.ToString())
                        {
                            NbreDeFrsPourPieceSelect++;
                            ListViewItem objListItem;
                            objListItem = new ListViewItem(m_ConsultSearchData.LISTF00F_ACTIF[i]["LLCDFO"].ToString());
                            objListItem.ImageIndex = 0;
                            objListItem.SubItems.Add(m_ConsultSearchData.VENNAM[j].VNAME.ToString());
                            Lst_Frs.Items.Add(objListItem);
                            if (m_ConsultSearchData.LISTF00F_ACTIF[i].LLCDFO.ToString() == Txt_CodeFrs.Text)
                            {
                                PositionFrsEnCours = NbreDeFrsPourPieceSelect - 1;
                            }
                        }
                    }
                }
            }
            if (Lst_Frs.Items.Count > 0)
            {
                Lst_Frs.Items[PositionFrsEnCours].Selected = true;
                Lst_Frs.Select();
                Txt_CodeFrs.Text = Lst_Frs.SelectedItems[0].Text;
            }
            else
            {
                Txt_CodeFrs.Text = null;
            }
        }
 
        public void RemplListCltAvecRef(string RefEnCours)
        {
            Lst_Clt.Items.Clear();
            int NbreDeClientsPourPieceSelect; NbreDeClientsPourPieceSelect = 0;
            int PositionCltEnCours; PositionCltEnCours = 0;
            for (int i = 0; i < m_ConsultSearchData.ARKF_ACTIF.Rows.Count; i++)
            {
                if (m_ConsultSearchData.ARKF_ACTIF[i].AKARTN.ToString() == RefEnCours)
                {
                    for (int j = 0; j < m_ConsultSearchData.KNDF.Rows.Count; j++)
                    {
                        if (m_ConsultSearchData.KNDF[j].KNKNDI.ToString() == m_ConsultSearchData.ARKF_ACTIF[i].AKKNDI.ToString())
                        {
                            NbreDeClientsPourPieceSelect++;
                            ListViewItem objListItem;
                            objListItem = new ListViewItem(m_ConsultSearchData.KNDF[j].KNKNDK.ToString());
                            objListItem.ImageIndex = 0;
                            objListItem.SubItems.Add(m_ConsultSearchData.KNDF[j].KNKNMN.ToString());
                            Lst_Clt.Items.Add(objListItem);
                            if (m_ConsultSearchData.KNDF[j].KNKNDK.ToString() == Txt_CodeClt.Text)
                            {
                                PositionCltEnCours = NbreDeClientsPourPieceSelect - 1;
                            }
                        }
                    }
                }
            }
            if (Lst_Clt.Items.Count > 0)
            {
                Lst_Clt.Items[PositionCltEnCours].Selected = true;
                Lst_Clt.Select();
                Txt_CodeClt.Text = Lst_Clt.SelectedItems[0].Text;
                RemplRefCltAvecCodeClt(Txt_CodeClt.Text, RefEnCours);
            }
            else
            {
                Txt_CodeClt.Text = null;
                Txt_RefClt.Text = null;
            }
        }
 
        public void RemplRefCltAvecCodeClt(string CodeCltEnCours, string RefEnCours)
        {
 
            if (CodeCltEnCours == null)
            {
                Txt_RefClt.Text = null;
            }
            for (int i = 0; i < m_ConsultSearchData.KNDF.Rows.Count; i++)
            {
                if (m_ConsultSearchData.KNDF[i].KNKNDK.ToString() == CodeCltEnCours)
                {
                    for (int j = 0; j < m_ConsultSearchData.ARKF_ACTIF.Rows.Count; j++)
                    {
                        if (m_ConsultSearchData.ARKF_ACTIF[j].AKKNDI.ToString() == m_ConsultSearchData.KNDF[i].KNKNDI.ToString() && m_ConsultSearchData.ARKF_ACTIF[j].AKARTN.ToString() == RefEnCours)
                        {
                            Txt_RefClt.Text = m_ConsultSearchData.ARKF_ACTIF[j].AKARTK.ToString();
                        }
                    }
                }
            }
        }
 
        private void Txt_RefInt_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (e.KeyChar == (char)Keys.Return)
            {
                int NbreDePieces; NbreDePieces = 0;
 
                //--> Vide les liste
                Lst_Ref.Items.Clear();
                Lst_Clt.Items.Clear();
                Lst_Frs.Items.Clear();
 
                //On regarde si la pièce existe
                for (int i = 0; i < m_ConsultSearchData.ITEMASA.Rows.Count; i++)
                {
                    if (m_ConsultSearchData.ITEMASA[i].ITNBR.ToString() == Txt_RefInt.Text)
                    {
                        NbreDePieces++;
                    }
                    if( NbreDePieces != 0)
                    {
                       break;
                    }
                }
 
                //Si la ref est inconnue
                if (NbreDePieces == 0)
                {
                    //--> Indique que la ref est inconnue
                    ListViewItem objListItem;
                    objListItem = new ListViewItem(Txt_RefInt.Text);
                    objListItem.ImageIndex = 0;
                    objListItem.SubItems.Add("Référence inconnue");
                    Lst_Ref.Items.Add(objListItem);
                }
                    //Si la ref est connue
                else
                {
                    RemplListCltAvecRef(Txt_RefInt.Text);
                    RemplListFrsAvecRef(Txt_RefInt.Text);
                    if (Lst_Clt.Items.Count > 0)
                    {
                        RemplListRefAvecCodeClt(Lst_Clt.SelectedItems[0].Text);
                    }
                    if (Lst_Frs.Items.Count > 0)
                    {
                        RemplListRefAvecCodeFrs(Lst_Frs.SelectedItems[0].Text);
                    }
                    Lst_Ref.Focus();
                }
            }
            ValidationRefInt = true;
        }
 
        private void Txt_CodeClt_KeyPress(object sender, KeyPressEventArgs e)
        {
 
            if (e.KeyChar == (char)Keys.Return)
            {
                int NbreDeClients; NbreDeClients = 0;
 
                //--> Vide les liste
                Lst_Ref.Items.Clear();
                Lst_Clt.Items.Clear();
                Lst_Frs.Items.Clear();
 
 
                //On regarde si le client existe
                for (int i = 0; i < m_ConsultSearchData.KNDF.Rows.Count; i++)
                {
                    if (m_ConsultSearchData.KNDF[i].KNKNDK.ToString() == Txt_CodeClt.Text)
                    {
                        NbreDeClients++;
                        ListViewItem objListItem;
                        objListItem = new ListViewItem(Txt_CodeClt.Text);
                        objListItem.ImageIndex = 0;
                        objListItem.SubItems.Add(m_ConsultSearchData.KNDF[i].KNKNMN.ToString());
                        Lst_Clt.Items.Add(objListItem);
                        Lst_Clt.Items[0].Selected = true;
                        Lst_Clt.Select();
                    }
                    if (NbreDeClients != 0)
                    {
                        break;
                    }
                }
                //Si le client est inconnu
                if (NbreDeClients == 0)
                {
                    //--> Indique que le client est inconnu
                    ListViewItem objListItem;
                    objListItem = new ListViewItem(Txt_CodeClt.Text);
                    objListItem.ImageIndex = 0;
                    objListItem.SubItems.Add("Client inconnu");
                    Lst_Clt.Items.Add(objListItem);
                }
                //Si le client est connu
                else
                {
                RemplListRefAvecCodeClt(Txt_CodeClt.Text);
                RemplRefCltAvecCodeClt(Txt_CodeClt.Text, Txt_RefInt.Text);
                }
            }
            ValidationClt = true;
        }
 
        private void Txt_CodeFrs_KeyPress(object sender, KeyPressEventArgs e)
        {
 
            if (e.KeyChar == (char)Keys.Return)
            {
                int NbreDeFrs; NbreDeFrs = 0;
 
                //--> Vide les liste
                Lst_Ref.Items.Clear();
                Lst_Clt.Items.Clear();
                Lst_Frs.Items.Clear();
 
 
                //On regarde si le Frs existe
                for (int i = 0; i < m_ConsultSearchData.LISTF00F_ACTIF.Rows.Count; i++)
                {
                    if (m_ConsultSearchData.LISTF00F_ACTIF[i].LLCDFO.ToString() == Txt_CodeFrs.Text)
                    {
                        for (int j = 0; j < m_ConsultSearchData.VENNAM.Rows.Count; j++)
                        {
                            if (m_ConsultSearchData.VENNAM[j].VNDNR.ToString() == m_ConsultSearchData.LISTF00F_ACTIF[i].LLCDFO.ToString())
                            {
                                NbreDeFrs++;
                                ListViewItem objListItem;
                                objListItem = new ListViewItem(Txt_CodeFrs.Text);
                                objListItem.ImageIndex = 0;
                                objListItem.SubItems.Add(m_ConsultSearchData.VENNAM[j].VNAME.ToString());
                                Lst_Frs.Items.Add(objListItem);
                                Lst_Frs.Items[0].Selected = true;
                                Lst_Frs.Select();
                            }
                            if (NbreDeFrs != 0)
                            {
                                break;
                            }
                        }
                    }
                }
                //Si le frs est inconnu
                if (NbreDeFrs == 0)
                {
                    //--> Indique que le frs est inconnu
                    ListViewItem objListItem;
                    objListItem = new ListViewItem(Txt_CodeFrs.Text);
                    objListItem.ImageIndex = 0;
                    objListItem.SubItems.Add("Frs inconnu");
                    Lst_Frs.Items.Add(objListItem);
                }
                //Si le frs est connu
                else
                {
                    RemplListRefAvecCodeFrs(Txt_CodeFrs.Text);
                    RemplRefCltAvecCodeClt(Txt_CodeClt.Text, Txt_RefInt.Text);
                }
            }
            ValidationFrs = true;
        }
 
        private void Lst_Ref_ItemSelectionChanged(object sender, ListViewItemSelectionChangedEventArgs e)
        {
            if (Txt_RefInt.Text != e.Item.Text && ValidationClt == false && ValidationFrs == false )
            {
                ValidationRefInt = true;
                Txt_RefInt.Text = e.Item.Text;
                RemplListCltAvecRef(Txt_RefInt.Text);
                RemplListFrsAvecRef(Txt_RefInt.Text);
                Lst_Ref.Focus();
                ScrollIntoView(Lst_Ref.SelectedItems[0]);
            }
 
            ValidationClt = false;
            ValidationFrs = false;
        }
 
        private void Lst_Clt_ItemSelectionChanged(object sender, ListViewItemSelectionChangedEventArgs e)
        {
            if (Txt_CodeClt.Text != e.Item.Text && ValidationRefInt == false)
            {
                Txt_CodeClt.Text = e.Item.Text;
                RemplListRefAvecCodeClt(Txt_CodeClt.Text);
                Lst_Clt.Focus();
            }
            ValidationRefInt = false;
        }
 
        private void Lst_Frs_ItemSelectionChanged(object sender, ListViewItemSelectionChangedEventArgs e)
        {
            if (Txt_CodeFrs.Text != e.Item.Text && ValidationFrs == false)
            {
                Txt_CodeFrs.Text = e.Item.Text;
                if (Lst_Frs.Items.Count == 0)
                {
                    RemplListRefAvecCodeFrs(Txt_CodeFrs.Text);
                }
                Lst_Frs.Focus();
            }
            ValidationFrs = false;
        }
 
        private void F_ConsultSearch_FormClosing(object sender, FormClosingEventArgs e)
        {
            Lst_Ref.Items.Clear();
            Lst_Clt.Items.Clear();
            Lst_Frs.Items.Clear();
            m_cnADONetConnection.Close();
            m_cnADONetConnection.Dispose();
        }
 
    }
}
Merci d'avance