新年好，请教个提交页面问题。


    <div class="xiazai">  <table width="100%" border="0" cellspacing="0" cellpadding="0" class="msgtable">              <tr>
                <td width="25%" align="right">m1：</td>
                <td width="75%">
                <asp:TextBox ID="txtDomain" runat="server" CssClass="input" size="25" 
            maxlength="50" minlength="2"   Width="135px">111</asp:TextBox>
                </td>
              </tr>
              <tr>
                <td width="25%" align="right">m2：</td>
                <td width="75%">
                <asp:TextBox ID="txtDbIp" runat="server" CssClass="input" size="25" 
            maxlength="50" minlength="2"   Width="135px">222</asp:TextBox>
                </td>
              </tr>
              <tr>
                <td width="25%" align="right">m3：</td>
                <td width="75%">
                <asp:TextBox ID="txtDbPort" runat="server" CssClass="input" size="25" 
            maxlength="50" minlength="2"   Width="135px">333</asp:TextBox>
                </td>
              </tr>
              <tr>
                <td width="25%" align="right">m4：</td>
                <td width="75%">
                <asp:TextBox ID="txtDbName" runat="server" CssClass="input" size="25" 
            maxlength="50" minlength="2"   Width="135px">444</asp:TextBox>
                </td>
              </tr>
              <tr>
                <td width="25%" align="right">m5：</td>
                <td width="75%">
                <asp:TextBox ID="txtDbUser" runat="server" CssClass="input" size="25" 
            maxlength="50" minlength="2"   Width="135px">555</asp:TextBox>
                </td>
              </tr>
               <tr>
                <td width="25%" align="right">m6：</td>
                <td width="75%">
                <asp:TextBox ID="txtDbPwd" runat="server" CssClass="input" size="25" 
            maxlength="50" minlength="2"   Width="135px">666</asp:TextBox>
                </td>
              </tr>              <tr>
                <td width="25%" align="right">m7：</td>
                <td width="75%">
                              <asp:RadioButtonList ID="radlist" runat="server" 
                  RepeatDirection="Horizontal">
                  <asp:ListItem Selected="True" Value="0">777</asp:ListItem>
                  <asp:ListItem  Value="1">888</asp:ListItem>
              </asp:RadioButtonList>
                </td>
              </tr>               <tr>
                <td width="25%" align="right">print：</td>
                <td width="75%">
                <asp:TextBox ID="txtResult" runat="server" CssClass="input" size="25" 
                        minlength="2"   Width="498px" Height="92px" TextMode="MultiLine"></asp:TextBox>
                </td>
              </tr>
            </table>
          
          <div style="margin-top:10px; text-align:center;">
            <asp:Button ID="btnSave" runat="server" Text="go1" CssClass="button" 
                  onclick="btnSave_Click" />
&nbsp;&nbsp; 
                        <asp:Button ID="Button1" runat="server" Text="go2" CssClass="button" 
                  onclick="Button1_Click"  />
          </div>
请问加入什么代码能把m1到m8的内容在提交后写入一个txt文件？谢谢。恭喜大家新的一年发大财