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            OleDbConnection connection;
            OleDbCommand command;
   

            string commandText = "SELECT pali,sinhala FROM [Sheet3$]";
            string oledbConnectString = "Provider=Microsoft.ACE.OLEDB.12.0;" +
            @"Data Source=Book2.xlsx;" +
            "Extended Properties=\"Excel 12.0;HDR=YES\";";
            connection = new OleDbConnection(oledbConnectString);
            command = new OleDbCommand(commandText, connection);
            OleDbDataAdapter da = new OleDbDataAdapter(command);
            connection.Close();
            DataTable dt = new DataTable();
            da.Fill(dt);
            dataGridView1.DataSource = dt;

Excel 表有 20 000 行(UTF8 unicode)。甚至我的 Lap 8gb ram i3 也需要 8 秒才能加载。他们有什么方法可以存储这些数据吗?我想创建一个字典(不是 csharp 字典)。

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