请假申请传到后台等待审批的代码怎么办

这是Asp.net vs2008编的程序 leave_my.aspx,Leave_new.aspx
    
       2.申请种类 Application Leave Type</div>
    
    
           <td width="25%"> 
                         <asp:RadioButton GroupName="app" ID="cb_workinjuryleave" 
                             Text="工伤假 Work Injury Leave" runat="server"
                               
                   />    
                </td>
          <td width="25%"> 
                       <asp:RadioButton GroupName="app" ID="cb_funeralleave" Text="丧假 Funeral Leave" 
                           runat="server" 
                           
                    />   
            </td>
          <td width="25%"> 
                      <asp:RadioButton GroupName="app" ID="cb_childbearingleave" 
                          Text="生育假 Child Bearing Leave" runat="server" 
                           
                  />   
            </td>
          <td width="25%"> 
                      <asp:RadioButton GroupName="app" ID="cb_other" Text="其它 Other" runat="server" 
                  />   
                  
      
            </td>
    
          
          </tr>
       
 </tbody>
    </table> 
  
     </asp:panel>
   </td>
    </tr>
    </tbody>
 </table>
  
        
   <br />
        
    
      <asp:Panel runat="server" ID="pnl_reason">             
       <!-- reason -->
       <br /><br />
     <table class="gwTableClass" border=0 cellSpacing=0 cellPadding=0 width="95%" align=center>
  <tbody>
  
   
  <tr>
    <td>
    
    <table border="0" cellSpacing="1" borderColorDark="#ffffff" cellPadding="8" 
       width="90%" bgColor="#A1A3AD" align=center>
        <tbody>
       
      <tr bgColor=#ffffff>     
                
         <td class="gwTdLabel" width="25%">请假原因 Reason</td>
          <td width="*"> 
              <asp:TextBox ID="txt_reason" runat="server" TextMode="MultiLine"  Width="500" class="Width300"></asp:TextBox>
           </td>
           
           </tr>
       
 </tbody>
    </table> 
      </td>
    </tr>
    </tbody>
    </table>
    
       <!--  / reason -->
       </asp:Panel>
       
 <br />
      <div  style=" width:1000px; text-align:center;  margin:10px"> 
          
             
                 &nbsp;&nbsp;&nbsp;&nbsp;  <asp:Button ID="Button1" runat="server"  CssClass="btn"  Width="150px" OnClick=Button1_Click Text="提 交" 
                 />
               
        </div>
      
  <script> 
      function SetOpValue(o2) {
          try {
              //loginname dis emai
              var result = o2.split("$");
              var _txt_displayname = document.getElementById('<%=txt_displayname.ClientID %>');
              var _txt_loginname = document.getElementById('<%=txt_loginname.ClientID %>');
              var _txt_email = document.getElementById('<%=txt_email.ClientID %>');
              var _txt_staffcode = document.getElementById('<%=txt_staffcode.ClientID %>');
              var _txt_dept = document.getElementById('<%=txt_dept.ClientID %>');
              _txt_displayname.value = result[0];              if (result[1] != "") {
                  _txt_loginname.value = result[1];
              }
              else {
                  _txt_loginname.value = result[0];
              }              if (result[2] != "") {
                  _txt_email.value = result[2];
              }              _txt_staffcode.value = result[3];              _txt_dept.value = result[4];
          }
          catch (e) {alert(e);
          }      }   
      
  
  </script>
  
 
 <!-- popup -->
 
 
<div id="menu1" onclick="clickMenu()" onmouseover="toggleMenu()" onmouseout="toggleMenu()" 
oncontextmenu="contextTwice()" 
style="position:absolute;display:none;width:200px; height:130px;  background-Color:#f6f6f6; border:solid 1px #6593cf; z-index:200; margin:5px; padding:5px; line-height:20px">
    <asp:Literal runat="server" ID="lb_dept"></asp:Literal> 
 
   
</div>
 
<SCRIPT LANGUAGE="JavaScript">
    function showMenu() {
        whichDiv = event.srcElement;
        menu1.style.posLeft = event.clientX + document.body.scrollLeft;
        menu1.style.posTop = event.clientY + document.body.scrollTop;
        menu1.style.display = "";
        menu1.setCapture();
    }    function toggleMenu() {
        el = event.srcElement;
        if (el.className == "menuItem") {
            el.className = "highlightItem";
        } else if (el.className == "highlightItem") {
            el.className = "menuItem";
        }
    }    function clickMenu() {
        menu1.style.display = "none";
        el = event.srcElement;
        if (el.id != "") {
            document.getElementById('<%=txt_dept.ClientID %>').value = document.getElementById(el.id).innerHTML;
        }
        menu1.releaseCapture();    }    function contextTwice() {
        if (event.srcElement == whichDiv)
            showMenu();
    }
</SCRIPT>
 
    </div>
    </form>
</body>
</html>错误 85 “ASP.appform_leave_new_aspx”不包含“Button1_Click”的定义，并且找不到可接受类型为“ASP.appform_leave_new_aspx”的第一个参数的扩展方法“Button1_Click”(是否缺少 using 指令或程序集引用?) E:\Inetpub\wwwroot\OAS\Appform\Leave_new.aspx 1 1 E:\...\OAS\
我不会将这个请假条传到后台去，Button1_Click时间怎么编写，后台接受文件是Auditing.aspx，怎么接收