我很不熟悉SQLite,并试图从列表框中取出项目并将它们放入简单的数据库中。创建数据库(如果它不存在),然后填充它,就这些了。我一直在玩它几天,似乎无法得到正确的语法。.NET列表框到SQLite数据库
public SQLiteConnection createDatabase()
{
try
{
var conn = new SQLiteConnection("Data Source= DB.db;Version=3");
conn.Open();
return conn;
}
catch (Exception e)
{
throw new IOException("Unable to connect to database.", e);
}
}
public void ImportDB()
{
SQLiteConnection conn= createDatabase();
SQLiteCommand cmd = conn.CreateCommand();
cmd.CommandText = "CREATE TABLE IF NOT EXISTS LOG(ENTRY varchar(300))";
cmd.ExecuteNonQuery();
for(int i = 0; i < listBox1.Items.Count; i++)
{
string str = listBox1.Items[i].ToString();
cmd.CommandText = "INSERT INTO LOG(ENTRY) Values(@str);";
cmd.Parameters.Add(new SQLiteParameter("@ENTRY", str));
cmd.ExecuteNonQuery();
}
您是否看到任何错误? – Sajeetharan
@harandk nah,varchar应该很好,我相信 – Noctis