We need to display images in GridView control from a folder in ASP.NET. This is really very simple task.

Gridview is very rich control and easy to use. The GridView control is a powerful data grid control that allows you to display an entire collection of data, sorting, paging, and perform inline editing.

Display images in GridView from folder - Example

In the following example we will see how to upload image to folder and display the uploaded images in GridView control.

Web form

  1. <h3>Display images in gridview from folder</h3>
  2. <table>
  3. <tr>
  4. <td>
  5. File:
  6. </td>
  7. <td>
  8. <asp:FileUpload ID="fupload" runat="server" />
  9. </td>
  10. </tr>
  11. <tr>
  12. <td>
  14. </td>
  15. <td>
  16. <asp:Button ID="btnUpload" runat="server" cssClass="button"
  17. Text="Upload Selected File" onclick="btnUpload_Click" />
  18. </td>
  19. </tr>
  20. </table>
  21. <asp:GridView ID="Gv_imgs" CssClass="grid" runat="server" AutoGenerateColumns="false" ShowHeader="false">
  22. <Columns>
  23. <asp:BoundField DataField="Text" HeaderText="Name" />
  24. <asp:ImageField DataImageUrlField="Value" ControlStyle-Height="75" ControlStyle-Width="75" HeaderText="Images" />
  25. </Columns>
  26. </asp:GridView>
C#-code behind

Import the following namespace
using System.IO;

  1. protected void Page_Load(object sender, EventArgs e)
  2. {
  3. if (!IsPostBack)
  4. {
  5. string[] ImagePaths = Directory.GetFiles(Server.MapPath("~/Images/"));
  6. List<ListItem> Imgs = new List<ListItem>();
  7. foreach (string imgPath in ImagePaths)
  8. {
  9. string ImgName = Path.GetFileName(imgPath);
  10. Imgs.Add(new ListItem(ImgName, "~/Images/" + ImgName));
  11. }
  12. Gv_imgs.DataSource = Imgs;
  13. Gv_imgs.DataBind();
  14. }
  15. }
  16. protected void btnUpload_Click(object sender, EventArgs e)
  17. {
  18. if (fupload.HasFile)
  19. {
  20. string fileName = fupload.FileName;
  21. fupload.PostedFile.SaveAs(Server.MapPath("~/Images/") + fileName);
  22. Response.Redirect(Request.Url.AbsoluteUri);
  23. }
  24. }

Output