C# 图像（缩略图）未显示在aspx网页中
在使用其他语言漫游之后，我回到了C。 文件成功移动到2个位置后，我面临一个问题。 问题: 我看不到上传的缩略图。 问题是在CS代码上，当我在这里列出图像时，我想，我不知道如何调用该文件来读取，使用哪个路径C# 图像（缩略图）未显示在aspx网页中,c#,asp.net,C#,Asp.net,在使用其他语言漫游之后，我回到了C。 文件成功移动到2个位置后，我面临一个问题。 问题: 我看不到上传的缩略图。 问题是在CS代码上，当我在这里列出图像时，我想，我不知道如何调用该文件来读取，使用哪个路径 string fileName = Path.GetFileName(filePath); files.Add(new ListItem(fileName, "C:/Image_folder/" + fileName)); 欢迎任何帮助 ASPX CS 来源于
string fileName = Path.GetFileName(filePath);
files.Add(new ListItem(fileName, "C:/Image_folder/" + fileName));
问题是您正在使用图像的绝对路径。您必须使用应用程序的相对路径。为此，您可以将原始文件夹复制到项目文件夹中。没有必要将此文件夹包括到项目中。然后只需更改如下代码
string[] filePaths = Directory.GetFiles(Server.MapPath("~/Image_folder"));
List<ListItem> files = new List<ListItem>();
foreach (string filePath in filePaths)
{
string fileName = Path.GetFileName(filePath);
files.Add(new ListItem(fileName, "~/Image_folder/" + fileName));
}
GridView1.DataSource = files;
GridView1.DataBind();
你能为网格发布呈现的最终html输出吗？当然：在原始帖子上更新。
using System;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.IO;
using System.Collections.Generic;
public partial class CS : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
string[] filePaths = Directory.GetFiles("C:\\Image_folder\\");
List <ListItem> files = new List<ListItem>();
foreach (string filePath in filePaths)
{
string fileName = Path.GetFileName(filePath);
files.Add(new ListItem(fileName, "C:/Image_folder/" + fileName));
}
GridView1.DataSource = files;
GridView1.DataBind();
}
}
protected void Upload(object sender, EventArgs e)
{
if (FileUpload1.HasFile)
{
string fileName = Path.GetFileName(FileUpload1.PostedFile.FileName);
FileUpload1.PostedFile.SaveAs("C:\\Image_folder\\" + fileName);
File.Copy("C:\\Image_folder\\" + fileName, "\\\\192.168.1.1\\shared_image_folder\\" + fileName, true);
Response.Redirect(Request.Url.AbsoluteUri);
}
}
}
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head><title>
</title></head>
<body>
<form method="post" action="./CS.aspx" id="form1" enctype="multipart/form-data">
<div class="aspNetHidden">
<input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="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" />
</div>
<input type="file" name="FileUpload1" id="FileUpload1" />
<input type="submit" name="btnUpload" value="Upload" id="btnUpload" />
<hr />
<div>
<table cellspacing="0" rules="all" border="1" id="GridView1" style="border-collapse:collapse;">
<tr>
<td>2844x1600-backgrounds.png</td><td><img src="" style="height:100px;width:100px;" /></td>
</tr><tr>
<td>background_skyeee.jpg</td><td><img src="" style="height:100px;width:100px;" /></td>
</tr><tr>
<td>background_skyeeee.jpg</td><td><img src="" style="height:100px;width:100px;" /></td>
</tr>
</table>
</div>
<div class="aspNetHidden">
<input type="hidden" name="__VIEWSTATEGENERATOR" id="__VIEWSTATEGENERATOR" value="17CECB09" />
<input type="hidden" name="__EVENTVALIDATION" id="__EVENTVALIDATION" value="/wEdAAJ1o9wC/FD3hrc5v52GfoAN5vhDofrSSRcWtmHPtJVt4Nr3LRFm+giVnIqfnqj9kuxQ47Dj1gv1HmdZrTjLiXPV" />
</div></form>
<!-- Visual Studio Browser Link -->
<script type="application/json" id="__browserLink_initializationData">
{"appName":"Chrome","requestId":"336b94aad34847b39a4af20e67138af9"}
</script>
<script type="text/javascript" src="http://localhost:60480/011c96c87fbd421fa3485ec4702d5c1b/browserLink" async="async"></script>
<!-- End Browser Link -->
</body>
</html>
string[] filePaths = Directory.GetFiles(Server.MapPath("~/Image_folder"));
List<ListItem> files = new List<ListItem>();
foreach (string filePath in filePaths)
{
string fileName = Path.GetFileName(filePath);
files.Add(new ListItem(fileName, "~/Image_folder/" + fileName));
}
GridView1.DataSource = files;
GridView1.DataBind();
FileUpload1.PostedFile.SaveAs(Server.MapPath("~/Image_folder/") + fileName);
File.Copy(Server.MapPath("~/Image_folder/") + fileName, "\\\\192.168.1.1\\shared_image_folder\\" + fileName, true);