[英]File upload using multipart/form-data
我使用此代碼上傳文件,但未上傳
var content = new MultipartFormDataContent();
var fileContent = new ByteArrayContent(System.IO.File.ReadAllBytes(filePath));
fileContent.Headers.ContentDisposition =
new ContentDispositionHeaderValue("attachment")
{
FileName = Path.GetFileName(filePath)
};
content.Add(fileContent);
var responce = client.PostAsync(queryString.ToString(), content).Result;
嘗試這個
<form id="form1" runat="server">
<asp:FileUpload id="FileUploadControl" runat="server" />
<asp:Button runat="server" id="UploadButton" text="Upload" onclick="UploadButton_Click" /> <br /><br />
<asp:Label runat="server" id="StatusLabel" text="Upload status: " />
</form>
protected void UploadButton_Click(object sender, EventArgs e)
{
if(FileUploadControl.HasFile)
{
try
{
string filename = Path.GetFileName(FileUploadControl.FileName);
FileUploadControl.SaveAs(Server.MapPath("~/") + filename);
StatusLabel.Text = "Upload status: File uploaded!";
}
catch(Exception ex)
{
StatusLabel.Text = "Upload status: The file could not be uploaded. The following error occured: " + ex.Message;
}
}
}
狀態消息應清楚表明它們的全部含義,您可以根據需要進行更改。
試試這個代碼。 它的工作正常。 只需要在解決方案資源管理器中創建一個名為“ Upload”的文件夾,即可上傳文件。
在您的aspx頁面中
<asp:FileUpload runat="server" ID="FileUploadContacts" Width="300px" />
<asp:Button runat="server" ID="btnUpload" Text="Upload" OnClick="btnUpload_OnClick" />
在后面的代碼中執行此操作
protected void btnUpload_OnClick(object sender, EventArgs e)
{
try
{
if (FileUploadContacts.HasFile)
{
FileUploadContacts.SaveAs(Server.MapPath("Uploads//") + FileUploadContacts.FileName);
this.lblMessage.Text = "File uploaded Successfully!>";
}
else
{
this.lblMessage.Text = "File not uploaded!>";
}
}
catch (Exception ex)
{
Logger.WriteException(ex);
}
}
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