SQLite insert!

[Kidix]

funktioniert leider auch nicht...

Hier mal der komplette Quellcode:

Code:

/*
 * Erstellt mit SharpDevelop.
 * Benutzer: Sandra
 * Datum: 04.01.2008
 * Zeit: 18:08
 * 
 * Sie können diese Vorlage unter Extras > Optionen > Codeerstellung > Standardheader ändern.
 */

using System;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;
using Finisar.SQLite;

namespace Datenbank
{
   /// <summary>
   /// Description of MainForm.
   /// </summary>
   public partial class MainForm : Form
   {
      public MainForm()
      {
         //
         // The InitializeComponent() call is required for Windows Forms designer support.
         //
         InitializeComponent();
         
         //
         // TODO: Add constructor code after the InitializeComponent() call.
         //
      }
      
      void Button1Click(object sender, EventArgs e)
      {
         
SQLiteConnection sqlite_conn;
SQLiteCommand sqlite_cmd;
SQLiteDataReader sqlite_datareader;

sqlite_conn = new SQLiteConnection("Data Source=database.db;Version=3;New=False;Compress=False;");
sqlite_conn.Open(); 

sqlite_cmd = sqlite_conn.CreateCommand(); 
sqlite_cmd.CommandText = "INSERT INTO wetterdaten (grad) VALUES ('Test Text 1')";
sqlite_cmd.ExecuteNonQuery();

sqlite_cmd.CommandText = "SELECT * FROM test";
sqlite_datareader=sqlite_cmd.ExecuteReader();
while (sqlite_datareader.Read()) 
{
textBox1.Text = sqlite_datareader["text"].ToString();
}
sqlite_conn.Close();
      }
   }
}