Specification :
I am using Ext.net 1.3 version. Visual studio 2008, Sql 2005

Issue Description

I have an issue of FileUploadField inside a grid. I am telling you whole scenario, I have grid in which user can add n number of row. row contain Name of file and Attachment i.e.( FileUploadField ) Once he add Attachement into grid and click to the save I need attachment at back end so i have written as follows..

 <ext:GridPanel ID="gridAttachments" Height="200" runat="server" AutoWidth="true">
                            <ext:Store ID="storeAttachments" runat="server">
                                    <ext:JsonReader IDProperty="NITAttachmentID">
                                            <ext:RecordField Name="NITAttachmentID" />
                                            <ext:RecordField Name="NITID" />
                                            <ext:RecordField Name="Title" />
                                          <ext:RecordField Name="AttachmentName" />
                            <ext:EditableGrid ID="EditableGrid4" runat="server">
                            <ext:RowSelectionModel ID="RowSelectionModel5" runat="server" SingleSelect="true" />
                                <ext:RowNumbererColumn />
                                <ext:Column ColumnID="colSelectAttachment" Align="Center" DataIndex="" Header="Select"
                                        <ext:Checkbox ID="Checkbox3" DataIndex="" runat="server" />
                                <ext:Column DataIndex="Title" ColumnID="colTitleAttachment" Width="450" Header="Title">
                                        <ext:TextField ID="TextField1" runat="server" />
                                <ext:Column DataIndex="AttachmentName" ColumnID="colAttachmentName" Width="250" Header="Attachment">
                                        <ext:FileUploadField runat="server" Icon="Image" DataIndex="AttachmentName" />

 <ext:Button ID="btnSave"   runat="server" Text="Save"  >                   
                        <Click OnEvent="btnSave_Click>
                                <ext:Parameter Name="Attachments" Value="Ext.encode(#{gridAttachments}.getRowsValues({selectedOnly : false}))"  Mode="Raw" />

//server side
 string strAttachment = string.Empty;
        strAttachment = e.ExtraParams["Attachments"];
        SC.NITAttachment NITAObj = new SC.NITAttachment();
        XmlNode xmlAttachment = JSON.DeserializeXmlNode("{records:{record:" + strAttachment + "}}");
        foreach (XmlNode row in xmlAttachment.SelectNodes("records/record"))
            NITAObj.Title = row.SelectSingleNode("Title").InnerXml;
            NITAObj.AttachmentName = row.SelectSingleNode("AttachmentName").InnerXml;
Please help me for this issue... I need Attachment Name and posted file at server side