Загрузка файлов RTF файлов в БД и отображение их в RichTextBox

{\rtf1\adeflang1025\ansi\ansicpg1251\uc1\adeff0\deff0\stshfdbch0\stshfloch31506\ stshfhich31506\stshfbi31506\deflang1049\deflangfe1049\themelang1049\themelangfe0 \themelangcs0{\fonttbl{\f0\fbidi \froman\fcharset204\fprq2{\*\panose 02020603050405020304}Times New Roman;}
{\f0\fbidi \froman\fcharset204\fprq2{\*\panose 02020603050405020304}Times New Roman;}{\f37\fbidi \fswiss\fcharset204\fprq2{\*\panose 020f0502020204030204}Calibri;}
{\flomajor\f31500\fbidi \froman\fcharset204\fprq2{\*\panose 02020603050405020304}Times New Roman;}{\fdbmajor\f31501\fbidi \froman\fcharset204\fprq2{\*\panose 02020603050405020304}Times New Roman;}
{\fhimajor\f31502\fbidi \fswiss\fcharset204\fprq2{\*\panose 020f0302020204030204}Calibri Light;}{\fbimajor\f31503\fbidi \froman\fcharset204\fprq2{\*\panose 02020603050405020304}Times New Roman;}
{\flominor\f31504\fbidi \froman\fcharset204\fprq2{\*\panose 02020603050405020304}Times New Roman;}{\fdbminor\f31505\fbidi \froman\fcharset204\fprq2{\*\panose 02020603050405020304}Times New Roman;}
{\fhiminor\f31506\fbidi \fswiss\fcharset204\fprq2{\*\panose 020f0502020204030204}Calibri;}{\fbiminor\f31507\fbidi \froman\fcharset204\fprq2{\*\panose 02020603050405020304}Times New Roman;}{\f41\fbidi \froman\fcharset0\fprq2 Times New Roman;}
{\f39\fbidi \froman\fcharset238\fprq2 Times New Roman CE;}{\f42\fbidi \froman\fcharset161\fprq2 Times New Roman Greek;}{\f43\fbidi \froman\fcharset162\fprq2 Times New Roman Tur;}{\f44\fbidi \froman\fcharset177\fprq2 Times New Roman (Hebrew);}
{\f45\fbidi \froman\fcharset178\fprq2 Times New Roman (Arabic);}{\f46\fbidi \froman\fcharset186\fprq2 Times New Roman Baltic;}{\f47\fbidi \froman\fcharset163\fprq2 Times New Roman (Vietnamese);}{\f41\fbidi \froman\fcharset0\fprq2 Times New Roman;}
{\f39\fbidi \froman\fcharset238\fprq2 Times New Roman CE;}{\f42\fbidi \froman\fcharset161\fprq2 Times New Roman Greek;}{\f43\fbidi \froman\fcharset162\fprq2 Times New Roman Tur;}{\f44\fbidi \froman\fcharset177\fprq2 Times New Roman (Hebrew);}
{\f45\fbidi \froman\fcharset178\fprq2 Times New Roman (Arabic);}{\f46\fbidi \froman\fcharset186\fprq2 Times New Roman Baltic;}{\f47\fbidi \froman\fcharset163\fprq2 Times New Roman (Vietnamese);}{\f411\fbidi \fswiss\fcharset0\fprq2 Calibri;}
{\f409\fbidi \fswiss\fcharset238\fprq2 Calibri CE;}{\f412\fbidi \fswiss\fcharset161\fprq2 Calibri Greek;}{\f413\fbidi \fswiss\fcharset162\fprq2 Calibri Tur;}{\f416\fbidi \fswiss\fcharset186\fprq2 Calibri Baltic;}
{\f417\fbidi \fswiss\fcharset163\fprq2 Calibri (Vietnamese);}{\flomajor\f31510\fbidi \froman\fcharset0\fprq2 Times New Roman;}{\flomajor\f31508\fbidi \froman\fcharset238\fprq2 Times New Roman CE;}
{\flomajor\f31511\fbidi \froman\fcharset161\fprq2 Times New Roman Greek;}{\flomajor\f31512\fbidi \froman\fcharset162\fprq2 Times New Roman Tur;}{\flomajor\f31513\fbidi \froman\fcharset177\fprq2 Times New Roman (Hebrew);}
{\flomajor\f31514\fbidi \froman\fcharset178\fprq2 Times New Roman (Arabic);}{\flomajor\f31515\fbidi \froman\fcharset186\fprq2 Times New Roman Baltic;}{\flomajor\f31516\fbidi \froman\fcharset163\fprq2 Times New Roman (Vietnamese);}
{\fdbmajor\f31520\fbidi \froman\fcharset0\fprq2 Times New Roman;}{\fdbmajor\f31518\fbidi \froman\fcharset238\fprq2 Times New Roman CE;}{\fdbmajor\f31521\fbidi \froman\fcharset161\fprq2 Times New Roman Greek;}
{\fdbmajor\f31522\fbidi \froman\fcharset162\fprq2 Times New Roman Tur;}{\fdbmajor\f31523\fbidi \froman\fcharset177\fprq2 Times New Roman (Hebrew);}{\fdbmajor\f31524\fbidi \froman\fcharset178\fprq2 Times New Roman (Arabic);}
{\fdbmajor\f31525\fbidi \froman\fcharset186\fprq2 Times New Roman Baltic;}{\fdbmajor\f31526\fbidi \froman\fcharset163\fprq2 Times New Roman (Vietnamese);}{\fhimajor\f31530\fbidi \fswiss\fcharset0\fprq2 Calibri Light;}
{\fhimajor\f31528\fbidi \fswiss\fcharset238\fprq2 Calibri Light CE;}{\fhimajor\f31531\fbidi \fswiss\fcharset161\fprq2 Calibri Light Greek;}{\fhimajor\f31532\fbidi \fswiss\fcharset162\fprq2 Calibri Light Tur;}
{\fhimajor\f31535\fbidi \fswiss\fcharset186\fprq2 Calibri Light Baltic;}{\fhimajor\f31536\fbidi \fswiss\fcharset163\fprq2 Calibri Light (Vietnamese);}{\fbimajor\f31540\fbidi \froman\fcharset0\fprq2 Times New Roman;}
и т.п.