C# 使用System.Data.SQLite“我的创建表”命令失败

在遵循中的好人提供的一些步骤之后，我能够将CSV文件放入列表中，从而为写入SQLite数据库做好准备

然而，我又遇到了麻烦。我创建了一个数据库文件，告诉SQLite引擎（或任何它被调用的东西）按照用户在文本框中提供的名称创建一个表。但是，当实际写入表时，它会说不存在这样的表

我已经使用SQLite数据库浏览器验证了该表不存在。.db文件已创建，但不会执行进一步的操作。这是我所有这些的代码。故障区域已标记

using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SQLite;
using System.IO;
using System.Linq;
using System.Windows;
using System.Windows.Controls;

namespace C_Sharp_SQLite_Testbed
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {

        private static string fileName;
        private static string dataName;
        public static string[] lines; 
        public MainWindow()
        {
            InitializeComponent();
        }

        private void btnLoad_Click(object sender, RoutedEventArgs e)
        {
            Microsoft.Win32.OpenFileDialog dlg = new Microsoft.Win32.OpenFileDialog();
            dlg.FileName = "Document";
            dlg.DefaultExt = ".txt";
            dlg.Filter = "Text Documents (.txt)|*.txt";

            Nullable<bool> result = dlg.ShowDialog();

            if (result == true)
            {
                //check for input in the table name textbox
                if(txtTableName.GetLineLength(0) == 0)
                {
                    string errorBoxText = "Please enter a name for the table.";
                    string caption = "Error";

                    MessageBox.Show(errorBoxText, caption, MessageBoxButton.OK, MessageBoxImage.Error);
                    return;
                }

                //create save dialog box for .db file
                Microsoft.Win32.SaveFileDialog sdg = new Microsoft.Win32.SaveFileDialog();
                sdg.FileName = "databaseName";
                sdg.DefaultExt = ".db";
                sdg.Filter = "SQLite3 Database File (.db)|*.db";
                Nullable<bool> saveResult = sdg.ShowDialog();
                if (saveResult == true)
                {
                    string fcs = string.Format("URI=file:{0}", dataName);

                    using (SQLiteConnection con = new SQLiteConnection(fcs))
                    {
                        con.Open();

                        using (SQLiteCommand cmd = new SQLiteCommand(con))
                        {
                            //cmd.CommandText = String.Format("DROP TABLE IF EXISTS {0}", txtTableName.Text);
                            //Console.WriteLine(cmd.CommandText);
                            //cmd.ExecuteNonQuery();
                            Console.WriteLine(txtTableName.Text);
                            //Table is SUPPOSED to be built here
                            cmd.CommandText = String.Format(@"CREATE TABLE {0} (Timestamp INTEGER PRIMARY KEY, 
                            LeftHipState INTEGER NOT NULL,
                            LeftHipX real,
                            LeftHipY REAL,
                            LeftHipZ REAL,
                            LeftKneeState INTEGER NOT NULL,
                            LeftKneeX REAL,
                            LeftKneeY REAL,
                            LeftKneeZ REAL,
                            LeftAnkleState INTEGER NOT NULL,
                            LeftAnkleX REAL,
                            LeftAnkleY REAL,
                            LeftAnkleZ REAL,
                            LeftFootState INTEGER NOT NULL,
                            LeftFootX REAL,
                            LeftFootY REAL,
                            LeftFootZ REAL,
                            RightHipState INTEGER NOT NULL,
                            RightHipX REAL,
                            RightHipY REAL,
                            RightHipZ REAL,
                            RightKneeState INTEGER NOT NULL,
                            RightKneeX REAL,
                            RightKneeY REAL,
                            RightKneeZ REAL,
                            RightAnkleState INTEGER NOT NULL,
                            RightAnkleX REAL,
                            RightAnkleY REAL,
                            RightAnkleZ REAL,
                            RightFootState INTEGER NOT NULL,
                            RightFootX REAL,
                            RightFootY REAL,
                            RightFootZ REAL,
                            LeftKneeFlexion REAL,
                            LeftKneeValgus REAL,
                            RightKneeFlexion REAL,
                            RightKneeValgus REAL)", txtTableName.Text);
                        Console.WriteLine(cmd.CommandText);
                        cmd.ExecuteNonQuery();
                    }
                    con.Close();
                }
            }

            //for input file
            fileName = dlg.FileName;
            OutputConsole.Text = " ";
            OutputConsole.Text = fileName;

            //for output file
            dataName = sdg.FileName;

            var output = new List<MyData>();

            try
            {
                //First line skipped as we do not need headers

                    foreach (var line in File.ReadAllLines(fileName).Skip(1))
                    {
                        output.Add(new MyData(line.Split(',')));

                    }
                    //int j = 0;
                    foreach (MyData outputLine in output)
                    {
                        Console.WriteLine("{0}| {1} {2:N4} {3:N4} {4:N4}| {5} {6:N4} {7:N4} {8:N4}| {9} {10:N4} {11:N4} {12:N4}| {13} {14:N4} {15:N4} {16:N4}| {17} {18:N4} {19:N4} {20:N4}| {21} {22:N4} {23:N4} {24:N4}| {25} {26:N4} {27:N4} {28:N4}| {29} {30:N4} {31:N4} {32:N4}| {33:N2} {34:N2} {35:N2} {36:N2}\n", 
                            outputLine.Time, outputLine.HlState, outputLine.HLX, outputLine.HLY, outputLine.HLZ, outputLine.KlState, outputLine.KLX, outputLine.KLY, outputLine.KLZ, outputLine.AlState, outputLine.ALX, outputLine.ALY, outputLine.ALZ, outputLine.FlState, outputLine.FLX, outputLine.FLY, outputLine.FLZ, outputLine.HrState, outputLine.HRX, outputLine.HRY, outputLine.HRZ, outputLine.KrState, outputLine.KRX, outputLine.KRY, outputLine.KRZ, outputLine.ArState, outputLine.ARX, outputLine.ARY, outputLine.ARZ, outputLine.FrState, outputLine.FRX, outputLine.FRY, outputLine.FRZ, outputLine.LKFX, outputLine.LKVG, outputLine.RKFX, outputLine.RKVG);


                        //SQLite stuff--- TROUBLE HERE
                        string cs = string.Format("URI=file:{0}", dataName);

                        using (SQLiteConnection con = new SQLiteConnection(cs))
                        {
                            con.Open();

                            using (SQLiteCommand cmd = new SQLiteCommand(con))
                            {
                            cmd.CommandText = String.Format("INSERT INTO    {0}(Timestamp,LeftHipState,LeftHipX,LeftHipY,LeftHipZ,LeftKneeState,LeftKneeX,LeftKneeY,LeftKneeZ,LeftAnkleState,LeftAnkleX,LeftAnkleY,LeftAnkleZ,LeftFootState,LeftFootX,LeftFootY,LeftFootZ,RightHipState,RightHipX,RightHipY,RightHipZ,RightKneeState,RightKneeX,RightKneeY,RightKneeZ,RightAnkleState,RightAnkleX,RightAnkleY,RightAnkleZ,RightFootState,RightFootX,RightFootY,RightFootZ,LeftKneeFlexion,LeftKneeValgus,RightKneeFlexion,RightKneeValgus) VALUES({1},{2},{3},{4},{5},{6},{7},{8},{9},{10},{11},{12},{13},{14},{15},{16},{17},{18},{19},{20},{21},{22},{23},{24},{25},{26},{27},{28},{29},{30},{31},{32},{33},{34},{35},{36},{37})",txtTableName.Text, outputLine.Time, outputLine.HlState, outputLine.HLX, outputLine.HLY, outputLine.HLZ, outputLine.KlState, outputLine.KLX, outputLine.KLY, outputLine.KLZ, outputLine.AlState, outputLine.ALX, outputLine.ALY, outputLine.ALZ, outputLine.FlState, outputLine.FLX, outputLine.FLY, outputLine.FLZ, outputLine.HrState, outputLine.HRX, outputLine.HRY, outputLine.HRZ, outputLine.KrState, outputLine.KRX, outputLine.KRY, outputLine.KRZ, outputLine.ArState, outputLine.ARX, outputLine.ARY, outputLine.ARZ, outputLine.FrState, outputLine.FRX, outputLine.FRY, outputLine.FRZ, outputLine.LKFX, outputLine.LKVG, outputLine.RKFX, outputLine.RKVG);
                                cmd.ExecuteNonQuery();
                            }

                            con.Close();
                        }
                    }
                        /*
                    Console.WriteLine("{0}", output.Count);
                    Console.WriteLine("{0} | {1}", i, j);*/
                }

                catch (Exception ex)
                {
                    OutputConsole.Text = " ";
                    OutputConsole.Text = ex.Message;
                }
            } 
        }

        private void btnExit_Click(object sender, RoutedEventArgs e)
        {
            Environment.Exit(0);
        }

        private void btnInfo_Click(object sender, RoutedEventArgs e)
        {
            Environment.CurrentDirectory = Environment.GetEnvironmentVariable("windir");
            DirectoryInfo info = new DirectoryInfo(".");
            lock (info)
            {
                OutputConsole.Text = String.Format("Directory info:    " + info.FullName);
            }
        }
    }

    public class MyData
    {
        public MyData(string[] values)
        {
            Time = int.Parse(values[0]);
            HlState = int.Parse(values[1]);
            HLX = double.Parse(values[2]);
            HLY = double.Parse(values[3]);
            HLZ = double.Parse(values[4]);
            KlState = int.Parse(values[5]);
            KLX = double.Parse(values[6]);
            KLY = double.Parse(values[7]);
            KLZ = double.Parse(values[8]);
            AlState = int.Parse(values[9]);
            ALX = double.Parse(values[10]);
            ALY = double.Parse(values[11]);
            ALZ = double.Parse(values[12]);
            FlState = int.Parse(values[13]);
            FLX = double.Parse(values[14]);
            FLY = double.Parse(values[15]);
            FLZ = double.Parse(values[16]);
            HrState = int.Parse(values[17]);
            HRX = double.Parse(values[18]);
            HRY = double.Parse(values[19]);
            HRZ = double.Parse(values[20]);
            KrState = int.Parse(values[21]);
            KRX = double.Parse(values[22]);
            KRY = double.Parse(values[23]);
            KRZ = double.Parse(values[24]);
            ArState = int.Parse(values[25]);
            ARX = double.Parse(values[26]);
            ARY = double.Parse(values[27]);
            ARZ = double.Parse(values[28]);
            FrState = int.Parse(values[29]);
            FRX = double.Parse(values[30]);
            FRY = double.Parse(values[31]);
            FRZ = double.Parse(values[32]);
            LKFX = double.Parse(values[33]);
            LKVG = double.Parse(values[34]);
            RKFX = double.Parse(values[35]);
            RKVG = double.Parse(values[36]);
        }

        public int Time { get; set; }
        public int HlState { get; set; }
        public double HLX { get; set; }
        public double HLY { get; set; }
        public double HLZ { get; set; }
        public int KlState { get; set; }
        public double KLX { get; set; }
        public double KLY { get; set; }
        public double KLZ { get; set; }
        public int AlState { get; set; }
        public double ALX { get; set; }
        public double ALY { get; set; }
        public double ALZ { get; set; }
        public int FlState { get; set; }
        public double FLX { get; set; }
        public double FLY { get; set; }
        public double FLZ { get; set; }
        public int HrState { get; set; }
        public double HRX { get; set; }
        public double HRY { get; set; }
        public double HRZ { get; set; }
        public int KrState { get; set; }
        public double KRX { get; set; }
        public double KRY { get; set; }
        public double KRZ { get; set; }
        public int ArState { get; set; }
        public double ARX { get; set; }
        public double ARY { get; set; }
        public double ARZ { get; set; }
        public int FrState { get; set; }
        public double FRX { get; set; }
        public double FRY { get; set; }
        public double FRZ { get; set; }
        public double LKFX { get; set; }
        public double LKVG { get; set; }
        public double RKFX { get; set; }
        public double RKVG { get; set; }
    }
}

使用系统；
使用System.Collections.Generic；
使用系统数据；
使用System.Data.SQLite；
使用System.IO；
使用System.Linq；
使用System.Windows；
使用System.Windows.Controls；
命名空间C_Sharp_SQLite_测试床
{
/// 
///MainWindow.xaml的交互逻辑
/// 
公共部分类主窗口：窗口
{
私有静态字符串文件名；
私有静态字符串数据名；
公共静态字符串[]行；
公共主窗口（）
{
初始化组件（）；
}
私有无效btnLoad_单击（对象发送方，路由目标）
{
Microsoft.Win32.OpenFileDialog dlg=新的Microsoft.Win32.OpenFileDialog（）；
dlg.FileName=“文档”；
dlg.DefaultExt=“.txt”；
dlg.Filter=“文本文档（.txt）|*.txt”；
可为空的结果=dlg.ShowDialog（）；
如果（结果==真）
{
//检查表名文本框中的输入
if（txtTableName.GetLineLength（0）==0）
{
string errorBoxText=“请输入表的名称。”；
字符串caption=“Error”；
显示（errorBoxText，标题，MessageBoxButton.OK，MessageBoxImage.Error）；
返回；
}
//为.db文件创建保存对话框
Microsoft.Win32.SaveFileDialog sdg=新建Microsoft.Win32.SaveFileDialog（）；
sdg.FileName=“databaseName”；
sdg.DefaultExt=“.db”；
sdg.Filter=“SQLite3数据库文件（.db）|*.db”；
Nullable saveResult=sdg.ShowDialog（）；
if（saveResult==true）
{
字符串fcs=string.Format（“URI=file:{0}”，数据名）；
使用（SQLiteConnection con=新SQLiteConnection（fcs））
{
con.Open（）；
使用（SQLiteCommand cmd=newsqlitecommand（con））
{
//cmd.CommandText=String.Format（“如果存在{0}则删除表”，txtTableName.Text）；
//Console.WriteLine（cmd.CommandText）；
//cmd.ExecuteNonQuery（）；
Console.WriteLine（txtTableName.Text）；
//桌子应该建在这里
cmd.CommandText=String.Format（@“创建表{0}（时间戳整数主键，
LeftHipState整数不为NULL，
LeftHipX real，
LeftHipY REAL，
LeftHipZ REAL，
LeftKneetState整数不为NULL，
LeftKneeX REAL，
LeftKneeY REAL，
LeftKneeZ REAL，
LeftAnkleState整数不为NULL，
LeftAnkleX REAL，
LeftAnkleY REAL，
LeftAnkleZ REAL，
LeftFootState整数不为NULL，
LeftFootX REAL，
左脚真的，
LeftFootZ REAL，
RightHipState整数不为空，
RightHipX REAL，
没错，真的，
对，真的，
RightKneetState整数不为空，
RightKneeX REAL，
对，真的，
RightKneeZ REAL，
RightAnkleState整数不为空，
RightAnkleX REAL，
RightAnkleY REAL，
RightAnkleZ REAL，
RightFootState整数不为NULL，
RightFootX REAL，
右脚真实，
RightFootZ REAL，
左膝屈曲真实，
左膝外翻真的，
右膝屈曲真实，
右膝外翻（真实）”，txtTableName.Text）；
Console.WriteLine（cmd.CommandText）；
cmd.ExecuteNonQuery（）；
}
con.Close（）；
}
}
//用于输入文件
fileName=dlg.fileName；
OutputConsole.Text=“”；
OutputConsole.Text=文件名；
//用于输出文件
dataName=sdg.FileName；
var输出=新列表（）；
尝试
{
//跳过了第一行，因为我们不需要标题
foreach（文件中的var行.ReadAllLines（文件名）.Skip（1））
{
Add（新的MyData（line.Split（'，'））；
}
//int j=0；
foreach（输出中的MyData输出行）
{
Console.WriteLine（“{0}{1}{2:N4}{3:N4}{4:N4}{5}{6:N4}{7:N4}{8:N4}{9}{10:N4}{11:N