如何使用asp.net和c#动态上传和显示网页上的多个图像。 [英] how to upload and display the multiple images on webpage dynamically using asp.net and c#.
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问题描述
我无法在aspx图像中显示图像。请帮助我。!!
以下我附上了我的代码。
FRONT END
i cant able to display the images in aspx image. please help me.!!
below i have attached my code below.
FRONT END
<form id="form1" runat="server">
<div>
<asp:FileUpload AllowMultiple="true" ID="fileuploadimages" runat="server" />
<asp:Button runat="server" ID="btnUpload" CssClass="btnStyle" Text="Upload Image"
OnClick="btnUpload_Click" />
<asp:Label ID="listofuploadedfiles" runat="server" />
<div id="dvGallery" runat="server">
</div>
</div>
</form>
代码背后
CODE BEHIND
public partial class galle4 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
PopulateImage();
}
}
protected void btnUpload_Click(object sender, EventArgs e)
{
if (fileuploadimages.HasFiles)
{
foreach (HttpPostedFile uploadedFile in fileuploadimages.PostedFiles)
{
uploadedFile.SaveAs(System.IO.Path.Combine(Server.MapPath("~/images/"),
uploadedFile.FileName));
listofuploadedfiles.Text = string.Format("updated successfully");
}
PopulateImage();
}
}
private void PopulateImage()
{
DirectoryInfo dir = new DirectoryInfo(Server.MapPath("~/Images"));
foreach (var i in dir.GetFiles())
{
dvGallery.InnerHtml = "<img src='~/Images + file.Name'/>";
}
}
}
推荐答案
请参考此链接: -
http://www.aspsnippets.com/Articles/HTML5-Show-Display-multiple-image-preview-before-upload-with-FileUpload-control-using-JavaScript-and -jQuery.aspx [ ^ ]
http://jqueryasp.net/upload-multiple-image-file-progress-bar-asp-net -using-jquery / [ ^ ]
http:// www。 c-sharpcorner.com/uploadfile/prathore/multiple-image-upload-in-Asp-Net/ [ ^ ]
问候,
AARIF SHAIKH
Please Refer this links:-
http://www.aspsnippets.com/Articles/HTML5-Show-Display-multiple-image-preview-before-upload-with-FileUpload-control-using-JavaScript-and-jQuery.aspx[^]
http://jqueryasp.net/upload-multiple-image-file-progress-bar-asp-net-using-jquery/[^]
http://www.c-sharpcorner.com/uploadfile/prathore/multiple-image-upload-in-Asp-Net/[^]
Regards,
AARIF SHAIKH
请参阅此链接可能对您有所帮助在WebForm中显示多个动态图像 [ ^ ]
Refer this link may be this could be helpful to you Displaying multiple dynamic images in a WebForm[^]
通过使用此解决方案,一旦页面被重新压缩,图像被删除
http://www.aspsnippets.com/Articles/HTML5-Show-Display-multiple-image-preview-before-upload-with-FileUpload-续rol-using-JavaScript-and-jQuery.aspx [^]
使用此解决方案,我无法显示解决方案。
http://jqueryasp.net/upload-multiple-image-file-progress-bar-asp-net-using-jquery/[^] ..
i有一个代码来上传图像,它成功保存到文件夹。 bt我不知道如何在aspx页面中显示这些图像。
by using this solution, once the the page refressed, the images get deleted
http://www.aspsnippets.com/Articles/HTML5-Show-Display-multiple-image-preview-before-upload-with-FileUpload-control-using-JavaScript-and-jQuery.aspx[^]
by using this solution, i cant able to display the solution.
http://jqueryasp.net/upload-multiple-image-file-progress-bar-asp-net-using-jquery/[^]..
i have a code to upload the images and it save successfully to the folder. bt i dont know how to display that images in aspx page.
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