Anthem Bug:当页面同时出现Anthem.FileUpload和TextArea时callback出错(BADRESPONSE)

出错情况

1. 页面放Anthem.FileUpload,TextArea(Anthem.TextBox),Anthem.Button.用户先选择了一个文件(没有选择文件不存在后面的问题),然后再点击Button时,在点击事件里改变TextArea的Text值并设置UpdateAfterCallBack为true.callback失败,提示BADRESPONSE.

            前台:
               <anthem:FileUpload ID="FileUpload1" runat="server" />
               <anthem:TextBox ID="TextBox1" runat="server" Height="56px" TextMode="MultiLine" Width="246px"></anthem:TextBox>
               <anthem:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Anthem Upload Button" />
            后台:
               protected void Button1_Click(object sender, EventArgs e)
               {
                       TextBox1.Text = "afdasdfas";
                       TextBox1.UpdateAfterCallBack = true;
               }
   

2. 前台代码:

   <table cellpadding="0" cellspacing="0" border="0">
       <tr>
           <td valign="top">
               <anthem:LinkButton ID="lkbtnUploadPhoto" runat="server" Text="上传头像" CssClass="TabLink"
                   OnCommand="lkbtnTab_Click" CommandArgument="3"></anthem:LinkButton>
           </td>
           <td valign="top">
               <anthem:LinkButton ID="lkbtnSignature" PreCallBackFunction="ResetForms" runat="server" Text="个性签名" CssClass="TabLink"
                   OnCommand="lkbtnTab_Click" CommandArgument="4"></anthem:LinkButton>
           </td>
       </tr>
   </table>
   <anthem:MultiView ID="MultiViewMenu" runat="server">
           <anthem:View ID="viewUploadPhoto" runat="server">
           <table>
               <tr>
                   <td style="width: 211px">
                       <asp:Label ID="Label10" runat="server" Text="当前头像"></asp:Label>
                   </td>
                   <td>
                   </td>
               </tr>
               <tr>
                   <td style="width: 211px">
                       <anthem:Image ID="imgCurrentPhoto" runat="server" /></td>
                   <td>
                   </td>
               </tr>
               <tr>
                   <td style="width: 211px">
                       <asp:Label ID="Label11" runat="server" Text="从电脑中选择一幅新头像照片"></asp:Label>
                   </td>
                   <td>
                       <input type="button" id="btnSelectPhoto" onclick="FileUpload_Click();" value="选择" /></td>
               </tr>
               <tr>
                   <td rowspan="5" style="width: 211px">
                       <anthem:Image ID="imgUploadImage" runat="server" /></td>
                   <td>
                       <asp:FileUpload ID="PhotoFileUpload" runat="server" /></td>
               </tr>
               <tr>
                   <td style="height: 21px">
                       <anthem:TextBox ID="txtSelectUrl" ReadOnly="true" runat="server"></anthem:TextBox>
                   </td>
               </tr>
               <tr>
                   <td>
                   </td>
               </tr>
               <tr>
                   <td style="height: 21px">
                       <anthem:Button ID="btnUpload" runat="server" Text="确认上传" />
                       <anthem:Button ID="btnUplaodCancel" runat="server" Text="放弃" /></td>
               </tr>
               <tr>
                   <td>
                   </td>
               </tr>
               <tr>
                   <td rowspan="1" style="width: 211px">
                   </td>
                   <td>
                   </td>
               </tr>
               <tr>
                   <td style="width: 211px">
                       <asp:Label ID="Label12" runat="server" Text="从相册中选择一幅照片"></asp:Label>
                   </td>
                   <td>
                       <anthem:Button ID="btnSelectServerPhoto" runat="server" Text="选择" /></td>
               </tr>
               <tr>
                   <td rowspan="4" style="width: 211px">
                       <anthem:Image ID="imgPhoto" runat="server" /></td>
                   <td>
                   </td>
               </tr>
               <tr>
                   <td style="height: 21px">
                       <anthem:TextBox ID="txtPhotoUrl" ReadOnly="true" runat="server"></anthem:TextBox></td>
               </tr>
               <tr>
                   <td>
                   </td>
               </tr>
               <tr>
                   <td style="height: 21px">
                       <anthem:Button ID="btnOnlineEdit" runat="server" Text="在线编辑" /></td>
               </tr>
               <tr>
                   <td rowspan="1" style="width: 211px">
                   </td>
                   <td style="height: 21px">
                   </td>
               </tr>
           </table>
       </anthem:View>
       <anthem:View ID="viewSignature" runat="server">
           <table>
               <tr>
                   <td valign="top">
                       <asp:Label ID="lblSignature" runat="server" Text="个性签名"></asp:Label>
                   </td>
                   <td>
                       <anthem:TextBox ID="txtSignature" TextMode="multiLine" runat="server" Height="171px"
                           Width="335px"></anthem:TextBox>
                   </td>
               </tr>
           </table>
       </anthem:View>
     </anthem:MultiView>
   <table>
       <tr>
           <td>
               <anthem:Button ID="btnUpdate" runat="server" OnClick="btnUpdate_Click" Text="保存修改" />
           </td>
           <td>
               <anthem:Button ID="btnCancel" runat="server" OnClick="btnCancel_Click" Text="取消" />
           </td>
       </tr>
   </table>
   

           后台代码:
           

 1    Tab Link Event#region Tab Link Event
 2    /**//// <summary>
 3    /// Navigates to the Tab
 4    /// </summary>
 5    /// <param name="sender">sender</param>
 6    /// <param name="e">EventArgs</param>
 7    protected void lkbtnTab_Click(object sender, CommandEventArgs e)
 8    {
 9        ActiveViewIndex = Convert.ToInt16(e.CommandArgument.ToString());
        SetTabDefaultCss();
        ShowViewByTabId(ActiveViewIndex);
        MultiViewMenu.UpdateAfterCallBack = true;
    }
    #endregion

    Custom Event#region Custom Event

    /**//// <summary>
    /// show view by tab id
    /// </summary>
    /// <param name="tabId">the tab id</param>
    private void ShowViewByTabId(int tabId)
    {
        switch (tabId)
        {
            case 3:
                MultiViewMenu.SetActiveView(viewUploadPhoto);
                lkbtnIntroduction.CssClass = TabSelectedCssName;
                //PhotoFileUpload.Style.Add("display", "none");
                btnUpdate.ValidationGroup = "";
                btnUpdate.PreCallBackFunction = string.Empty;
                break;
            case 4:
                MultiViewMenu.SetActiveView(viewSignature);
                lkbtnSignature.CssClass = TabSelectedCssName;
                txtSignature.Text = CurrentUserOtherInfo.Signature;
                btnUpdate.ValidationGroup = string.Empty;
                btnUpdate.PreCallBackFunction = string.Empty;
                break;
        }
        btnUpdate.UpdateAfterCallBack = true;
    }

    /**//// <summary>
    /// set tab default css class.
    /// </summary>
    private void SetTabDefaultCss()
    {;
        lkbtnSignature.CssClass = TabDefaultCssName;
        lkbtnUploadPhoto.CssClass = TabDefaultCssName;
    }

    #endregion

目前针对以上两种情况,我的解决办法是添加Button的PreCallBackFunction="ResetForms"(红色部分)

function ResetForms()
    {
        var fileUpload = document.getElementById("<%=PhotoFileUpload.ClientID %>");
        if(fileUpload!=null && fileUpload.value!="")
        {
            document.forms[0].reset();
        }
    }

其实就是刷新form.不知道还有没有更好的解决办法.