相关疑难解决方法(0)

我想在oracle数据库(10 g)中保存unicode数据(希腊语).我创建了一个简单的表:

alt text http://i25.tinypic.com/dvpqnk.png

我知道NVARCHAR2总是使用UTF-16编码,所以它必须适用于所有(人类)语言.

然后我试图在数据库中插入一个字符串.我在代码中硬编码了字符串("你好吗？").然后我尝试从数据库中恢复并显示它.

class Program
{
    static string connectionString = "<my connection string>";

    static void Main (string[] args) {
        string textBefore = "?? ??????;";

        DeleteAll ();
        SaveToDatabase (textBefore);
        string textAfter = GetFromDatabase ();

        string beforeData = String.Format ("Before: {0}, ({1})", textBefore, ToHex (textBefore));
        string afterData = String.Format ("After: {0}, ({1})", textAfter, ToHex (textAfter));

        Console.WriteLine (beforeData);
        Console.WriteLine (afterData);

        MessageBox.Show (beforeData);
        MessageBox.Show (afterData);

        Console.ReadLine ();
    }

    static void DeleteAll () {
        using (var oraConnection = new OracleConnection (connectionString)) …