c資料庫pdf

❶ 跪求數據結構課程設計（C語言版）代碼，感激不盡

《數據結構課程精講教案合集-復旦大學(共計1061頁).pdf 》網路網盤免費資源下載

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❷ C#從資料庫讀取PDF文件 問題

private sqlDataAdapter dataAdapter; // 數據適配器 private DataSet dataSet; string sql = ("select photo from StuImage where num='20084001'" dataAdapter = new SqlDataAdapter(sql, DBHelp.connection); dataSet = new DataSet("photo "); dataAdapter.Fill(dataSet, "photo "); FileStream myFileStream; MemoryStream myMemoryStream = new MemoryStream((byte[])dataSet.Tables[0].Rows[0]["photo "]); myFileStream = new FileStream(@"C:\Documents and Settings\Administrator\桌面\1.jsp", FileMode.Create, FileAccess.Write); BinaryWriter myBinaryWriter = new BinaryWriter(myFileStream); byte[] aBtEntityFile = myMemoryStream.ToArray(); myBinaryWriter.Write(aBtEntityFile); myBinaryWriter.Close(); myFileStream.Close(); myMemoryStream.Close(); 你的二進制存入就有問題。。我給你這個例子 你可以參考