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我正在建立一个网站(基于umbraco)用户可以上传多个图像到他们的帖子。我至今是:ASP.NET多文件上传
<asp:TextBox MaxLength="1" Width="29px" runat="server" ID="txtImageAmount" />
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<asp:Button ID="btnSubmitImageAmount" runat="server" Text="Vis upload felter"
onclick="btnSubmitImageAmount_Click" />
<asp:Label Visible="false" ID="lblImageAmountError" ForeColor="Red" runat="server" Text="Maks 3 billeder"></asp:Label>
<asp:Panel ID="pnlUploadControls" Visible="false" runat="server"></asp:Panel>
</ContentTemplate>
</asp:UpdatePanel>
因此,用户能够选择的网站上的文件上传框(最多3虽然)的量。
我的C#是这样的:
protected void btnSubmitImageAmount_Click(object sender, EventArgs e)
{
int amountOfControls = Convert.ToInt32(txtImageAmount.Text);
if (amountOfControls <= 3)
{
for(int i = 0; i < amountOfControls; i++)
{
FileUpload fUl = new FileUpload();
fUl.ID = i.ToString();
fUl.Width = 300;
Label lblLinebreak = new Label();
lblLinebreak.Text = "<br />";
pnlUploadControls.Controls.Add(fUl);
pnlUploadControls.Controls.Add(lblLinebreak);
pnlUploadControls.Visible = true;
}
}
else
{
lblImageAmountError.Visible = true;
}
}
所以基本上我这取决于用户多少要添加新FileUpload控件到面板上。
现在,在我的保存按钮,我有以下代码:
List<Media> images = new List<Media>();
foreach (FileUpload fUl in pnlUploadControls.Controls)
{
Media m = UmbracoSave(fUl);
if (m != null)
{
images.Add(m);
}
}
if (images.Count > 0)
{
RelationType ad2media = RelationType.GetByAlias("ad2media");
foreach (Media img in images)
{
Relation.MakeNew(adDoc.Id, img.Id, ad2media, adDoc.Text + " is related to " + img.Text);
}
}
我试图检查的控制面板中的量等于0,似乎是..怪异的事情是,如果我检查从UmbracoSave方法返回的媒体项是否为空,则不是。
此外,它说,该名单(图像)计数为0 ..
任何人都可以阐明这一些轻? :-)
任何帮助,非常感谢!
一切顺利,
博
是的。应该可以使用Gecko Uploadify for Umbraco:http://our.umbraco.org/projects/website-utilities/gecko-uploadify – sebastiaan 2011-01-14 13:11:37