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

namespace InvoicingTool
{
    public partial class InvoicingMain : Form
    {
        #region 属性
        /// <summary>
        /// 服务器IP
        /// </summary>
        public string dbip { get { return (ConfigUrationValues("server_ip", "").Trim() == "" ? ConfigUrationValues("dbip", "").Trim() : ConfigUrationValues("server_ip", "").Trim()); } }
        /// <summary>
        /// 数据库端口
        /// </summary>
        public string dbport { get { return (ConfigUrationValues("server_dbport", "").Trim() == "" ? ConfigUrationValues("dbport", "1521").Trim() : ConfigUrationValues("server_dbport", "1521").Trim()); } }
        /// <summary>
        /// 数据库名
        /// </summary>
        public string dbname { get { return (ConfigUrationValues("server_dbname", "").Trim() == "" ? ConfigUrationValues("dbname", "highway_exchange").Trim() : ConfigUrationValues("server_dbname", "highway_exchange").Trim()); } }
        /// <summary>
        /// 数据库用户名
        /// </summary>
        public string dbuser { get { return (ConfigUrationValues("server_dbuser", "").Trim() == "" ? ConfigUrationValues("dbuser", "highway_exchange").Trim() : ConfigUrationValues("server_dbuser", "highway_exchange").Trim()); } }
        /// <summary>
        /// 数据库密码
        /// </summary>
        public string dbpass { get { return (ConfigUrationValues("server_dbpass", "").Trim() == "" ? ConfigUrationValues("dbpass", "qrwl").Trim() : ConfigUrationValues("server_dbpass", "qrwl").Trim()); } }
        /// <summary>
        /// 数据库连接名
        /// </summary>
        public string conname { get { return (ConfigUrationValues("server_conname", "").Trim() == "" ? ConfigUrationValues("conname", "orcl").Trim() : ConfigUrationValues("server_conname", "orcl").Trim()); } }
        /// <summary>
        /// 服务区编码
        /// </summary>
        public string serverpartcode { get { return ConfigUrationValues("serverpartcode", "").Trim(); } }
        /// <summary>
        /// 门店编码
        /// </summary>
        public string shopcode { get { return ConfigUrationValues("shopcode", "").Trim(); } }
        /// <summary>
        /// 门店内码
        /// </summary>
        public string serverpartshop_id
        {
            get
            {
                return DBHelper.QueryOdbc("select serverpartshop_id from t_shopmessage where serverpartcode = '" +
                    serverpartcode + "' and shopcode = '" + shopcode + "'").Tables[0].Rows[0][0].ToString();
            }
        }
        /// <summary>
        /// 门店内码
        /// </summary>
        public string shopname
        {
            get
            {
                return DBHelper.QueryOdbc("select shopname from t_shopmessage where serverpartcode = '" +
                    serverpartcode + "' and shopcode = '" + shopcode + "'").Tables[0].Rows[0][0].ToString();
            }
        }
        /// <summary>
        /// 收银机编码
        /// </summary>
        public string machinecode { get { return ConfigUrationValues("machinecode", "").Trim(); } }
        /// <summary>
        /// 收银员姓名
        /// </summary>
        public string sellworkername
        {
            get
            {
                return DBHelper.QueryOdbc("select sellworkername from t_sellworker where serverpartcode = '" + serverpartcode +
                  "' and sellworkercode = (select cashworker_code from t_personsell where serverpartcode = '" + serverpartcode +
                  "' and shopcode = '" + shopcode + "' and machinecode = '" + machinecode + "' and enddate is null )"
                  ).Tables[0].Rows[0]["sellworkername"].ToString();
            }
        }
        public string ReceiveCode { get; set; }
        #endregion

        public InvoicingMain()
        {
            InitializeComponent();
            Loading();
            lblMessage.Text = "输入商品条码、进货数量后，按【Enter】保存";
            txtbarcode.Focus();
            txtbarcode.SelectAll();
        }

        private void Loading()
        {
            //List<string> _List = new List<string>();
            string _selectsql = "select receiveserverpart_id,receivecenter_code from t_receiveserverpart where receiveserverpart_state = 0 order by receiveserverpart_id desc";
            DataTable _DateTable = DBHelper.QueryOdbc(_selectsql).Tables[0];
            if (_DateTable.Rows.Count > 0)
            {
                if (MessageBox.Show("系统中存在未完成的入库单，是否继续录入？", "", MessageBoxButtons.YesNo, 
                    MessageBoxIcon.Question, MessageBoxDefaultButton.Button1) == DialogResult.Yes)
                {
                    ReceiveCenter _ReceiveCenter = new ReceiveCenter("serverpart");
                    _ReceiveCenter.ShowDialog();
                    if (_ReceiveCenter.DialogResult == DialogResult.OK)
                    {
                        ReceiveCode = _ReceiveCenter.StrValue;
                    }
                }
                else
                {
                    decimal _MaxID = 0;
                    try
                    {
                        _MaxID = decimal.Parse(DBHelper.QueryOdbc("select max(receiveserverpart_id) from t_receiveserverpart").Tables[0].Rows[0][0].ToString());
                    }
                    catch
                    {
                        _MaxID = 0;
                    }
                    ReceiveCode = DateTime.Now.ToString("yy") + shopcode + TimeHelper.ConvertDataTimeLong(DateTime.Now).ToString();
                    string _insertsql = "insert into t_receiveserverpart (receiveserverpart_id,serverpartshop_id, receivecenter_date,receivecenter_person, receivecenter_code,receiveserverpart_state) " +
                        "select '" + (_MaxID + 1) + "',serverpartshop_id,datetime('" + DateTime.Now.ToString() + "'),'" + sellworkername + "','" + ReceiveCode + "','0' from t_shopmessage " +
                        "where serverpartcode = '" + serverpartcode + "' and shopcode = '" + shopcode + "'";
                    DBHelper.ExecuteSqlTran(_insertsql);
                }
            }
            else
            {
                decimal _MaxID = 0;
                try
                {
                    _MaxID = decimal.Parse(DBHelper.QueryOdbc("select max(receiveserverpart_id) from t_receiveserverpart").Tables[0].Rows[0][0].ToString());
                }
                catch
                {
                    _MaxID = 0;
                }
                ReceiveCode = DateTime.Now.ToString("yy") + shopcode + TimeHelper.ConvertDataTimeLong(DateTime.Now).ToString();
                string _insertsql = "insert into t_receiveserverpart (receiveserverpart_id,serverpartshop_id, receivecenter_date,receivecenter_person, receivecenter_code,receiveserverpart_state) " +
                    "select '" + (_MaxID + 1) + "',serverpartshop_id,datetime('" + DateTime.Now.ToString() + "'),'" + sellworkername + "','" + ReceiveCode + "','0' from t_shopmessage " +
                    "where serverpartcode = '" + serverpartcode + "' and shopcode = '" + shopcode + "'";
                DBHelper.ExecuteSqlTran(_insertsql);
            }
            _selectsql = "select receiveserverpart_id,receivecenter_code,receivecenter_date,receivecenter_person,receiveserverpart_state " +
                 "from t_receiveserverpart where receivecenter_code = '" + ReceiveCode + "'";
            DataTable _ReceiveTable = DBHelper.QueryOdbc(_selectsql).Tables[0];
            lblReceiveCode.Text = _ReceiveTable.Rows[0]["receivecenter_code"].ToString();
            lblReceivePerson.Text = _ReceiveTable.Rows[0]["receivecenter_person"].ToString();
            lblReceiveDate.Text = _ReceiveTable.Rows[0]["receivecenter_date"].ToString();
            lblShopName.Text = shopname;
            SearchReceive();
        }
        private void SearchReceive()
        {
            string _selectsql = "select a.receivedetailserverpart_id,a.commodity_barcode,a.commodity_name,a.delivercount " +
                    "from t_receivedetailserverpart a,t_receiveserverpart b where b.receivecenter_code = '" + ReceiveCode +
                    "' and a.cenreceivedetail_desc = b.receivecenter_code order by receivedetailserverpart_id";
            DataTable _DataTable = DBHelper.QueryOdbc(_selectsql).Tables[0];
            if (_DataTable.Rows.Count > 0)
            {
                for (int i = 0; i < _DataTable.Rows.Count; i++)
                {
                    _DataTable.Rows[i]["receivedetailserverpart_id"] = i + 1;
                }
                InvoicingData.DataSource = _DataTable;

            }
        }
        /// <summary>
        /// 入库信息添加
        /// </summary>
        private void Data_Entry()
        {
            //List<string> _List = new List<string>();
            string _barcode = txtbarcode.Text;
            //string _receivecenter_code = lblReceiveCode.Text;
            string _select = "select commodityex_id,commodity_code,commodity_name,commodity_barcode " +
                                    "from t_commodityex where commodity_barcode = '" + _barcode + "'";
            DataTable _DataTable = DBHelper.QueryOdbc(_select).Tables[0];
            if (_DataTable.Rows.Count > 0)
            {
                DataTable _receivestate =  DBHelper.QueryOdbc("select receiveserverpart_state from t_receiveserverpart where receivecenter_code = '" + ReceiveCode + "'").Tables[0];
                if (_receivestate.Rows.Count>0)
                {
                    if (_receivestate.Rows[0]["receiveserverpart_state"].ToString()!="0")
                    {
                        MessageBox.Show("请先添加一个入库单", "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                        return;
                    }
                }
                else
                {
                    MessageBox.Show("请先添加一个入库单", "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    return;
                }
                _select = "select a.receivedetailserverpart_id,a.receiveserverpart_id, a.commodity_name,a.commodity_code, a.commodity_barcode, a.delivercount " +
                                "from t_receivedetailserverpart a,t_receiveserverpart b where b.receivecenter_code = '" + ReceiveCode + "' and a.commodity_barcode = '" +
                                _barcode + "' and a.receiveserverpart_id = b.receiveserverpart_id";
                DataTable _ReceiveDetailServerPart = DBHelper.QueryOdbc(_select).Tables[0];
                if (_ReceiveDetailServerPart.Rows.Count > 0)
                {
                    if (MessageBox.Show("商品条码：" + _barcode + "\r已录入单据，是否叠加数量？\r是：叠加              否：覆盖", "",
                        MessageBoxButtons.YesNo, MessageBoxIcon.Question, MessageBoxDefaultButton.Button1) == DialogResult.Yes)
                    {
                        string _update = "update t_receivedetailserverpart set delivercount = delivercount+" + txtDeliverCount.Text +
                            " where receiveserverpart_id = " + _ReceiveDetailServerPart.Rows[0]["receiveserverpart_id"];
                        DBHelper.ExecuteSqlTran(_update);
                    }
                    else
                    {
                        string _update = "update t_receivedetailserverpart set delivercount = " + txtDeliverCount.Text +
                            " where receiveserverpart_id = " + _ReceiveDetailServerPart.Rows[0]["receiveserverpart_id"];
                        DBHelper.ExecuteSqlTran(_update);
                    }
                }
                else
                {
                    decimal _MaxID = 0;
                    try
                    {
                        _MaxID = decimal.Parse(DBHelper.QueryOdbc("select max(receivedetailserverpart_id) from t_receivedetailserverpart").Tables[0].Rows[0][0].ToString());
                    }
                    catch
                    {
                        _MaxID = 0;
                    }
                    string _insert = "insert into t_receivedetailserverpart (receivedetailserverpart_id, receiveserverpart_id, commodity_name, " +
                                            "commodity_code, commodity_barcode, unit, unitcount, delivercount,cenreceivedetail_desc) " +
                                            "select '" + (_MaxID + 1) + "',b.receiveserverpart_id,a.commodity_name,a.commodity_code," +
                                            "a.commodity_barcode,'1','1','" + txtDeliverCount.Text + "',b.receivecenter_code " +
                                            "from t_commodityex a,t_receiveserverpart b,t_shopmessage c " +
                                            "where a.commodity_barcode = '" + _barcode + "' and a.serverpartshop_id = c.serverpartshop_id " +
                                            "and c.shopcode = '" + shopcode + "' and b.receivecenter_code = '" + ReceiveCode + "'";
                    DBHelper.ExecuteSqlTran(_insert);
                }
                txtbarcode.Clear();
                txtDeliverCount.Clear();
                txtbarcode.Focus();
                txtbarcode.SelectAll();
                //MessageBox.Show("保存成功！", "系统提示");
                lblMessage.Text = _barcode + "保存成功！";
            }
            else
            {
                MessageBox.Show("条码为：" + _barcode + "的商品不存在，请核实后重新输入！", "系统提示", MessageBoxButtons.OK,
                    MessageBoxIcon.Information, MessageBoxDefaultButton.Button1);
                txtbarcode.Focus();
                txtbarcode.SelectAll();
                return;
            }
            SearchReceive();
        }

        #region 方法 -> 获取配置信息
        /// <summary>
        /// 获取配置信息
        /// </summary>
        /// <param name="ConfigUrationName">配置名称</param>
        /// <param name="defaultValue">无配置信息时默认值</param>
        /// <returns></returns>
        private string ConfigUrationValues(string ConfigUrationName, string defaultValue)
        {
            string strSQL = "select configuration_name,configuration_values from dba.t_configuration where lower(configuration_name) = lcase('" + ConfigUrationName + "')";
            string strValues = "";
            using (DataTable _DataTable = DBHelper.QueryOdbc(strSQL).Tables[0])
            {
                if (_DataTable.Rows.Count > 0)
                {
                    foreach (DataRow row in _DataTable.Rows)
                    {
                        if (row["configuration_name"].ToString() == ConfigUrationName)
                        {
                            strValues = row["configuration_values"].ToString();
                        }
                    }
                }
                else
                {
                    strValues = ConfigHelper.Win32API.INIGetStringValue(Environment.CurrentDirectory + "\\setup.ini", "DBCONECT", ConfigUrationName, defaultValue);
                    if (strValues == "")
                        strValues = ConfigHelper.Win32API.INIGetStringValue(Environment.CurrentDirectory + "\\set.ini", "DBCONECT", ConfigUrationName, defaultValue);
                }
            }
            return strValues;
        }
        #endregion

        private void txtbarcode_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Enter)
            {
                if (txtbarcode.Text == "")
                {
                    MessageBox.Show("请输入商品条码", "系统提示");
                    txtbarcode.Focus();
                    txtbarcode.SelectAll();
                    return;
                }
                else
                {
                    txtDeliverCount.Focus();
                    txtDeliverCount.SelectAll();
                    return;
                }
            }
        }
        private void txtDeliverCount_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Enter)
            {
                if (txtDeliverCount.Text == "")
                {
                    MessageBox.Show("请输入入库数量", "系统提示", MessageBoxButtons.OK,
                    MessageBoxIcon.Information, MessageBoxDefaultButton.Button1);
                    txtDeliverCount.Focus();
                    txtDeliverCount.SelectAll();
                    return;
                }
                else
                {
                    try
                    {
                        decimal.Parse(txtDeliverCount.Text);
                    }
                    catch
                    {
                        MessageBox.Show("请正确输入入库数量", "系统提示", MessageBoxButtons.OK,
                    MessageBoxIcon.Information, MessageBoxDefaultButton.Button1);
                        txtDeliverCount.Focus();
                        txtDeliverCount.SelectAll();
                        return;
                    }
                    Data_Entry();
                }
            }
        }

        private void InvoicingMain_FormClosing(object sender, FormClosingEventArgs e)
        {
            List<string> _List = new List<string>();
            DataTable _DataTable = DBHelper.QueryOdbc("select receiveserverpart_state from t_receiveserverpart where receivecenter_code = '" + ReceiveCode + "'").Tables[0];
            if (_DataTable.Rows.Count > 0)
            {
                if (_DataTable.Rows[0]["receiveserverpart_state"].ToString() == "0")
                {
                    if (decimal.Parse(DBHelper.QueryOdbc("select count(*) from t_receivedetailserverpart where cenreceivedetail_desc = '" + ReceiveCode + "'").Tables[0].Rows[0][0].ToString()) > 0)
                    {
                        if (MessageBox.Show("是否立即审核入库单信息并退出？\r 注：审核后当前入库单将不能再次添加商品入库信息。", "系统提示",
                            MessageBoxButtons.YesNo, MessageBoxIcon.Question, MessageBoxDefaultButton.Button1) == DialogResult.Yes)
                        {
                            string _update = "update t_receiveserverpart set receiveserverpart_state = 1 where receivecenter_code = '" + ReceiveCode + "'";
                            _List.Add(_update);
                            try
                            {
                                DBHelper.ExecuteSqlTran(_List);
                                MessageBox.Show("审核成功，按确定键返回收银系统", "系统提示");
                            }
                            catch
                            {
                                MessageBox.Show("审核失败，请重试！", "系统提示");
                                e.Cancel = true;
                            }
                        }
                        else
                        {
                            e.Cancel = true;
                        }
                    }
                    else
                    {
                        if (MessageBox.Show("是否立即退出？", "系统提示", MessageBoxButtons.YesNo, MessageBoxIcon.Question,
                            MessageBoxDefaultButton.Button1) != DialogResult.Yes)
                        {
                            e.Cancel = true;
                        }
                    }
                }
                else
                {
                    if (MessageBox.Show("是否立即退出？", "系统提示", MessageBoxButtons.YesNo, MessageBoxIcon.Question, 
                        MessageBoxDefaultButton.Button1) != DialogResult.Yes)
                    {
                        e.Cancel = true;
                    }
                }
            }
            else
            {
                if (MessageBox.Show("是否立即退出？", "系统提示", MessageBoxButtons.YesNo, MessageBoxIcon.Question, 
                    MessageBoxDefaultButton.Button1) != DialogResult.Yes)
                {
                    e.Cancel = true;
                }
            }
        }
        private void btnReceiveAdd_Click(object sender, EventArgs e)
        {
            Loading();
        }
        private void btnSave_Click(object sender, EventArgs e)
        {
            if (txtbarcode.Text == "")
            {
                MessageBox.Show("请输入商品条码", "系统提示", MessageBoxButtons.OK,
                    MessageBoxIcon.Information, MessageBoxDefaultButton.Button1);
                txtbarcode.Focus();
                txtbarcode.SelectAll();
                return;
            }
            if (txtDeliverCount.Text == "")
            {
                MessageBox.Show("请输入入库数量", "系统提示", MessageBoxButtons.OK,
                    MessageBoxIcon.Information, MessageBoxDefaultButton.Button1);
                txtDeliverCount.Focus();
                txtDeliverCount.SelectAll();
                return;
            }
            try
            {
                decimal.Parse(txtDeliverCount.Text);
                Data_Entry();
            }
            catch
            {
                MessageBox.Show("请正确输入入库数量", "系统提示", MessageBoxButtons.OK,
                    MessageBoxIcon.Information, MessageBoxDefaultButton.Button1);
                txtDeliverCount.Focus();
                txtDeliverCount.SelectAll();
                return;
            }
        }
        private void btnAuditing_Click(object sender, EventArgs e)
        {
            List<string> _List = new List<string>();
            if (decimal.Parse(DBHelper.QueryOdbc("select count(*) from t_receivedetailserverpart where cenreceivedetail_desc = '" + ReceiveCode + "'").Tables[0].Rows[0][0].ToString()) > 0)
            {
                if (MessageBox.Show("是否立即审核入库单信息？\r 注：审核后当前入库单将不能再次添加商品入库信息。", "系统提示", MessageBoxButtons.YesNo, 
                    MessageBoxIcon.Question, MessageBoxDefaultButton.Button1) != DialogResult.Yes)
                {
                    return;
                }
                string _update = "update t_receiveserverpart set receiveserverpart_state = 1 where receivecenter_code = '" + ReceiveCode + "'";
                _List.Add(_update);
                try
                {
                    DBHelper.ExecuteSqlTran(_List);
                    MessageBox.Show("审核成功", "系统提示", MessageBoxButtons.OK,
                    MessageBoxIcon.Information, MessageBoxDefaultButton.Button1);
                }
                catch
                {
                    MessageBox.Show("审核失败，请重试！", "系统提示", MessageBoxButtons.OK,
                    MessageBoxIcon.Information, MessageBoxDefaultButton.Button1);
                }
            }
            else
            {
                MessageBox.Show("请先添加入库商品信息！", "系统提示", MessageBoxButtons.OK,
                    MessageBoxIcon.Information, MessageBoxDefaultButton.Button1);
            }
        }

        private void btnUpLoad_Click(object sender, EventArgs e)
        {
            List<string> _List = new List<string>();
            List<string> _UpdateList = new List<string>();
            string Columns;
            if (MessageBox.Show("立即上传商品入库信息？", "系统提示", MessageBoxButtons.YesNo, MessageBoxIcon.Question,
                MessageBoxDefaultButton.Button1) != DialogResult.Yes)
            {
                return;
            }
            btnUpLoad.Enabled = false;
            lblMessage.Text = "正在上传商品入库信息，请稍候……";
            string _selectsql = "select receiveserverpart_id,serverpartshop_id,receivecenter_date,receivecenter_person, receivecenter_code " +
            "from t_receiveserverpart where receiveserverpart_state = 1";
            DataTable _ReceiveListTable = DBHelper.QueryOdbc(_selectsql).Tables[0];
            _ReceiveListTable.TableName = "t_receiveserverpart";
            if (_ReceiveListTable.Rows.Count > 0)
            {
                Columns = SqlColumns(_ReceiveListTable);
                foreach (DataRow _Row in _ReceiveListTable.Rows)
                {
                    _List.Add("insert into " + dbname + ".t_receiveserverpart (" + Columns + ") values (" + SqlValues(_ReceiveListTable, _Row) + ")");
                }
                _selectsql = "select a.receivedetailserverpart_id, a.receiveserverpart_id, a.commodity_name, a.commodity_code, " +
                                    "a.commodity_barcode, a.unit, a.unitcount, a.delivercount, a.cenreceivedetail_desc " +
                                    "from  t_receivedetailserverpart a,t_receiveserverpart b " +
                                    "where a.cenreceivedetail_desc = b.receivecenter_code and b.receiveserverpart_state = 1";
                DataTable _ReceiveDetailTable = DBHelper.QueryOdbc(_selectsql).Tables[0];
                _ReceiveDetailTable.TableName = "t_receivedetailserverpart";
                if (_ReceiveDetailTable.Rows.Count > 0)
                {
                    Columns = SqlColumns(_ReceiveDetailTable);
                    foreach (DataRow _Row in _ReceiveDetailTable.Rows)
                    {
                        _List.Add("insert into " + dbname + ".t_receivedetailserverpart (" + Columns + ") values (" + SqlValues(_ReceiveDetailTable, _Row) + ")");
                    }
                }
            }
            if (_List.Count() > 0)
            {
                OracleHelper _OracleHelper = new OracleHelper(dbip, dbport, conname, dbuser, dbpass);
                try
                {
                    _OracleHelper.ExecuteSqlTran(_List);
                    foreach (DataRow _dr in _ReceiveListTable.Rows)
                    {
                        string _updatesql = "update t_receiveserverpart set receiveserverpart_state = 2 " +
                            "where receivecenter_code = '" + _dr["receivecenter_code"] + "' and receiveserverpart_state = 1";
                        _UpdateList.Add(_updatesql);
                    }
                    try
                    {
                        DBHelper.ExecuteSqlTran(_UpdateList);
                    }
                    catch
                    { }
                    MessageBox.Show("上传成功！", "系统提示", MessageBoxButtons.OK,
                    MessageBoxIcon.Information, MessageBoxDefaultButton.Button1);
                    lblMessage.Text = "入库信息上传成功！";
                    
                }
                catch(Exception ex)
                {
                    MessageBox.Show("上传失败，请重试！", "系统提示", MessageBoxButtons.OK,
                    MessageBoxIcon.Information, MessageBoxDefaultButton.Button1);
                    lblMessage.Text = "入库信息上传失败，请重试！";
                }
            }
            else
            {
                lblMessage.Text = "请先审核入库单！";
            }
            btnUpLoad.Enabled = true; 
        }
        /// <summary>
        /// 获取列名
        /// </summary>
        /// <param name="Table"></param>
        /// <returns></returns>
        private string SqlColumns(DataTable Table)
        {
            string _Columnsstr = "";
            foreach (DataColumn col in Table.Columns)
            {
                _Columnsstr += (_Columnsstr == "" ? col.ColumnName : "," + col.ColumnName);
            }
            return _Columnsstr;
        }
        /// <summary>
        /// 获取行值
        /// </summary>
        /// <param name="Table"></param>
        /// <param name="Row"></param>
        /// <returns></returns>
        private string SqlValues(DataTable Table, DataRow Row)
        {
            string _valuesstr = "";
            for (int i = 0; i < Table.Columns.Count; i++)
            {
                if (Table.Columns[i].DataType.ToString() == "System.Decimal")
                {
                    _valuesstr += _valuesstr == "" ? (Row[i].ToString() == "" ? "NULL" : Row[i].ToString()) : "," + (Row[i].ToString() == "" ? "NULL" : Row[i].ToString());
                }
                else if (Table.Columns[i].DataType.ToString() == "System.DateTime")
                {
                    _valuesstr += _valuesstr == "" ? (Row[i].ToString() == "" ? "NULL" : "TO_DATE('" + Row[i].ToString() + "','YYYY/MM/DD HH24:MI:SS')") : 
                        "," + (Row[i].ToString() == "" ? "NULL" : "TO_DATE('" + Row[i].ToString() + "','YYYY/MM/DD HH24:MI:SS')");
                }
                else
                {
                    _valuesstr += _valuesstr == "" ? (Row[i].ToString() == "" ? "NULL" : "'" + Row[i].ToString()) + "'" : "," + (Row[i].ToString() == "" ? "NULL" : "'" + Row[i].ToString() + "'");
                }
            }
            return _valuesstr;
        }

        private void InvoicingMain_KeyDown(object sender, KeyEventArgs e)
        {
            if(e.KeyCode==Keys.Escape)
            {
                Close();
            }
        }

        private void btnClose_Click(object sender, EventArgs e)
        {
            Close();
        }
    }
}