i made a simple asp.net web form which uploads and downloads file from server side it worked perfectly but when i copied all the functions in web methods to create a service it gives errors. kindly please help me with this code.
WebService.asmx
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Services;
using System.Web.UI;
using System.IO;
using System.Data;
using System.Web.Util;
using System.ComponentModel;
using System.Windows;
using System.Web.UI.WebControls;
using System.Web.Services.Protocols;
using Microsoft.AspNet.Membership.OpenAuth;
using System.Xml;
using System.Text;
namespace MovieUploaderService.Service
{
/// <summary>
/// Summary description for WebService1
/// </summary>
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
[System.ComponentModel.ToolboxItem(false)]
// To allow this Web Service to be called from script, using ASP.NET AJAX, uncomment the following line.
// [System.Web.Script.Services.ScriptService]
public class WebService1 : System.Web.Services.WebService
{
[WebMethod]
public void Page_Load(object sender, EventArgs e)
{
this.Form.Enctype = "multipart/form-data";
if (!IsPostBack)
{
GetUploadedFiles();
}
}
[WebMethod]
public void GetUploadedFiles()
{
using (Database1Entities SampleDb = new Database1Entities())
{
DataGridView.DataSource = SampleDb.UploadFiles.ToList();
DataGridView.DataBind();
}
}
[WebMethod]
public void DataGridView_RowCommand(object sender, GridViewCommandEventArgs e)
{
if (e.CommandName == "DownloadFile")
{
int File_ID = Convert.ToInt32(e.CommandArgument.ToString());
using (Database1Entities SampleDb = new Database1Entities())
{
var File = SampleDb.UploadFiles.Where(f => f.Id.Equals(File_ID)).FirstOrDefault();
if (File != null)
{
Response.ContentType = File.ContentType;
Response.AddHeader("content-disposition", "attachment; filename=" + File.Name);
Response.BinaryWrite(File.Content);
Response.Flush();
Response.End();
}
}
}
}
[WebMethod]
public void BtnUploadFile_Click(object sender, EventArgs e)
{
HttpFileCollection File_Collection = Request.Files;
using (Database1Entities SampleDb = new Database1Entities())
{
foreach (string File_Uploader in File_Collection)
{
HttpPostedFile Posted_File = File_Collection[File_Uploader];
if (Posted_File.ContentLength > 0)
{
BinaryReader Binary_Reader = new BinaryReader(Posted_File.InputStream);
byte[] File_Buffer = Binary_Reader.ReadBytes(Posted_File.ContentLength);
SampleDb.UploadFiles.Add(new UploadFile
{
Name = Posted_File.FileName,
ContentType = Posted_File.ContentType,
Extension = Path.GetExtension(Posted_File.FileName),
Size = Posted_File.ContentLength,
Content = File_Buffer
});
}
}
SampleDb.SaveChanges();
}
GetUploadedFiles();
}
}
}
The problem is with post and response .. While the grid view also makes error
the client side aspx file code is
ASPX
<%@ Page Title="" Language="C#" MasterPageFile="~/Site.Master" AutoEventWireup="true" CodeBehind="Sample.aspx.cs" Inherits="WebApplication8.Sample" %>
<asp:Content ID="Content1" ContentPlaceHolderID="MainContent" runat="server">
<script src="Scripts/jquery-1.10.2.js"></script>
<div class="form-horizontal">
<h4>Uploading Multiple Files</h4>
<hr />
<asp:ValidationSummary runat="server" CssClass="text-danger" />
<div class="form-group">
<asp:Label runat="server" CssClass="col-md-2 control-label">Choose File</asp:Label>
<div class="col-md-10" id="MultipleFileUploader">
<p>
<asp:FileUpload runat="server" ID="FileUploader" CssClass="form-control" />
<a href="#" id="AddAnotherUploader">Add Files</a>
</p>
</div>
</div>
<div class="form-group">
<div class="col-md-offset-2 col-md-10">
<asp:Button runat="server" ID="BtnUploadFile" OnClick="BtnUploadFile_Click"
Text="Upload Files" CssClass="btn btn-default" />
</div>
</div>
<div class="form-group">
<asp:Label runat="server" CssClass="col-md-2 control-label">Select Files:</asp:Label>
<div class="col-md-10">
<asp:GridView runat="server" ID="DataGridView" AutoGenerateColumns="false" OnRowCommand="DataGridView_RowCommand" CssClass="form-control">
<Columns>
<asp:BoundField HeaderText="File Name" DataField="Name" />
<asp:BoundField HeaderText="File Size" DataField="Size" />
<asp:TemplateField HeaderText="Get File">
<ItemTemplate>
<asp:LinkButton ID="LbnDownload" runat="server" CommandName="DownloadFile"
CommandArgument='<%# Eval("Id") %>'>Download</asp:LinkButton>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
</div>
</div>
</div>
</asp:Content>
i am a beginner to web services course please help me with this.. :(
