Hi, I have updated some codes to support batch upload and delete pics for administrators, hope it will be helpful.
on Admin/Modules/ProductPictures.ascx
<%@ Control Language="C#" AutoEventWireup="true" Inherits="NopSolutions.NopCommerce.Web.Administration.Modules.ProductPicturesControl"
CodeBehind="ProductPictures.ascx.cs" %>
<%@ Register TagPrefix="nopCommerce" TagName="NumericTextBox" Src="NumericTextBox.ascx" %>
<%@ Register TagPrefix="nopCommerce" TagName="SimpleTextBox" Src="SimpleTextBox.ascx" %>
<%@ Register TagPrefix="nopCommerce" TagName="ToolTipLabel" Src="ToolTipLabelControl.ascx" %>
<asp:GridView ID="gvwImages" runat="server" AutoGenerateColumns="false" DataKeyNames="ProductPictureID"
OnRowDeleting="gvwImages_RowDeleting" OnRowDataBound="gvwImages_RowDataBound"
OnRowCommand="gvwImages_RowCommand" Width="100%">
<Columns>
<asp:TemplateField HeaderText="Image" ItemStyle-Width="50%">
<ItemTemplate>
<asp:Image ID="iProductPicture" runat="server" />
<asp:HiddenField ID="hfProductPictureID" runat="server" Value='<%# Eval("ProductPictureID") %>' />
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Display order" HeaderStyle-HorizontalAlign="Center"
ItemStyle-Width="15%" ItemStyle-HorizontalAlign="Center">
<ItemTemplate>
<nopCommerce:NumericTextBox runat="server" CssClass="adminInput" Width="50px" ID="txtProductPictureDisplayOrder"
Value='<%# Eval("DisplayOrder") %>' RequiredErrorMessage="Display order is required"
RangeErrorMessage="The value must be from -99999 to 99999" ValidationGroup="ProductPictures"
MinimumValue="-99999" MaximumValue="99999"></nopCommerce:NumericTextBox>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Update" HeaderStyle-HorizontalAlign="Center" ItemStyle-Width="15%"
ItemStyle-HorizontalAlign="Center">
<ItemTemplate>
<asp:Button ID="btnUpdate" runat="server" CssClass="adminButton" Text="Update" ValidationGroup="ProductPictures"
CommandName="UpdateProductPicture" ToolTip="Update this picture" />
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Delete" HeaderStyle-HorizontalAlign="Center" ItemStyle-Width="15%"
ItemStyle-HorizontalAlign="Center">
<ItemTemplate>
<asp:Button ID="btnDeletePicture" runat="server" CssClass="adminButton" Text="Delete"
CausesValidation="false" CommandName="Delete" ToolTip="Delete this picture" />
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
<p>
<strong>Add a new picture </strong>
</p>
<table class="adminContent">
<asp:Repeater runat="server" ID="UploadRepeater">
<ItemTemplate>
<tr>
<td class="adminTitle">
<nopCommerce:ToolTipLabel runat="server" ID="lblSelectPicture" Text="Select picture:"
ToolTip="Choose a picture to upload. If the picture size exceeds your stores max image size setting, it will be automatically resized. You can manage resizing from Configuration : Global Settings"
ToolTipImage="~/Administration/Common/ico-help.gif" />
</td>
<td class="adminData">
<asp:FileUpload class="text" ID="fuProductPicture" CssClass="adminInput" runat="server"
ToolTip="Choose a file to upload" />
</td>
</tr>
<tr>
<td class="adminTitle">
<nopCommerce:ToolTipLabel runat="server" ID="lblProductDisplayOrder" Text="Display order:"
ToolTip="Display order of the picture. 1 represents the top of the list." ToolTipImage="~/Administration/Common/ico-help.gif" />
</td>
<td class="adminData">
<nopCommerce:NumericTextBox runat="server" CssClass="adminInput" ID="txtProductPictureDisplayOrder"
Value="1" RequiredErrorMessage="Display order is required" RangeErrorMessage="The value must be from -99999 to 99999"
MinimumValue="-99999" MaximumValue="99999" ValidationGroup="UploadNewProductPicture">
</nopCommerce:NumericTextBox>
</td>
</tr>
</ItemTemplate>
</asp:Repeater>
<tr>
<td align="left">
<asp:Button runat="server" ID="btnUploadProductPicture" CssClass="adminButton" Text="Upload"
ValidationGroup="UploadNewProductPicture" OnClick="btnUploadProductPicture_Click"
ToolTip="Upload the picture" />
</td>
<td>
<asp:Button runat="server" CssClass="adminButton" Text="Delete All"
ValidationGroup="UploadNewProductPicture" OnClick="DeleteAll_Click" OnClientClick="return confirm('Are you sure you want to delete all pictures');"
ToolTip="Delete all pictures" />
</td>
</tr>
</table>
On codebehind file
//------------------------------------------------------------------------------
// The contents of this file are subject to the nopCommerce Public License Version 1.0 ("License"); you may not use this file except in compliance with the License.
// You may obtain a copy of the License at https://www.nopcommerce.com/License.aspx.
//
// Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
// See the License for the specific language governing rights and limitations under the License.
//
// The Original Code is nopCommerce.
// The Initial Developer of the Original Code is NopSolutions.
// All Rights Reserved.
//
// Contributor(s): _______.
//------------------------------------------------------------------------------
using System;
using System.Collections;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using NopSolutions.NopCommerce.Common.Categories;
using NopSolutions.NopCommerce.Common.Manufacturers;
using NopSolutions.NopCommerce.Common.Media;
using NopSolutions.NopCommerce.Common.Products;
using NopSolutions.NopCommerce.Common.Products.Specs;
using NopSolutions.NopCommerce.Common.Templates;
using NopSolutions.NopCommerce.Common.Utils;
using NopSolutions.NopCommerce.Web.Administration.Modules;
namespace NopSolutions.NopCommerce.Web.Administration.Modules
{
public partial class ProductPicturesControl : BaseNopAdministrationUserControl
{
private void BindData()
{
Product product = ProductManager.GetProductByID(this.ProductID);
if (product != null)
{
ProductPictureCollection productPictures = product.ProductPictures;
if (productPictures.Count > 0)
{
gvwImages.Visible = true;
gvwImages.DataSource = productPictures;
gvwImages.DataBind();
}
else
gvwImages.Visible = false;
}
}
protected void DeleteAll_Click(object sender, EventArgs e)
{
Product product = ProductManager.GetProductByID(this.ProductID);
if (product != null)
{
if (product.ProductPictures.Count > 0)
{
foreach (ProductPicture productPicture in product.ProductPictures)
{
if (productPicture != null)
{
PictureManager.DeletePicture(productPicture.PictureID);
ProductManager.DeleteProductPicture(productPicture.ProductPictureID);
}
}
BindData();
}
}
}
private void BindUploadRepeater()
{
UploadRepeater.DataSource = new object[9];
UploadRepeater.DataBind();
}
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
this.BindData();
this.BindUploadRepeater();
}
}
public void SaveInfo()
{
}
protected void btnUploadProductPicture_Click(object sender, EventArgs e)
{
try
{
Product product = ProductManager.GetProductByID(this.ProductID);
if (product != null)
{
foreach (RepeaterItem item in UploadRepeater.Items)
{
Picture picture = null;
FileUpload fuProductPicture = item.FindControl("fuProductPicture") as FileUpload;
NumericTextBox txtProductPictureDisplayOrder = item.FindControl("txtProductPictureDisplayOrder") as NumericTextBox;
if (fuProductPicture != null && txtProductPictureDisplayOrder != null)
{
HttpPostedFile productPictureFile = fuProductPicture.PostedFile;
if ((productPictureFile != null) && (!String.IsNullOrEmpty(productPictureFile.FileName)))
{
byte[] productPictureBinary = PictureManager.GetPictureBits(productPictureFile.InputStream, productPictureFile.ContentLength);
picture = PictureManager.InsertPicture(productPictureBinary, productPictureFile.ContentType, true);
}
if (picture != null)
{
ProductPicture productPicture = ProductManager.InsertProductPicture(product.ProductID, picture.PictureID, txtProductPictureDisplayOrder.Value);
}
}
}
BindData();
}
}
catch (Exception exc)
{
ProcessException(exc);
}
}
protected void gvwImages_RowCommand(object sender, GridViewCommandEventArgs e)
{
if (e.CommandName == "UpdateProductPicture")
{
int index = Convert.ToInt32(e.CommandArgument);
GridViewRow row = gvwImages.Rows[index];
NumericTextBox txtProductPictureDisplayOrder = row.FindControl("txtProductPictureDisplayOrder") as NumericTextBox;
HiddenField hfProductPictureID = row.FindControl("hfProductPictureID") as HiddenField;
int displayOrder = txtProductPictureDisplayOrder.Value;
int productPictureID = int.Parse(hfProductPictureID.Value);
ProductPicture productPicture = ProductManager.GetProductPictureByID(productPictureID);
if (productPicture != null)
ProductManager.UpdateProductPicture(productPicture.ProductPictureID,
productPicture.ProductID, productPicture.PictureID, displayOrder);
BindData();
}
}
protected void gvwImages_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
ProductPicture productPicture = (ProductPicture)e.Row.DataItem;
Image iProductPicture = e.Row.FindControl("iProductPicture") as Image;
if (iProductPicture != null)
iProductPicture.ImageUrl = PictureManager.GetPictureUrl(productPicture.PictureID);
Button btnUpdate = e.Row.FindControl("btnUpdate") as Button;
if (btnUpdate != null)
btnUpdate.CommandArgument = e.Row.RowIndex.ToString();
}
}
protected void gvwImages_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
int productPictureID = (int)gvwImages.DataKeys[e.RowIndex]["ProductPictureID"];
ProductPicture productPicture = ProductManager.GetProductPictureByID(productPictureID);
if (productPicture != null)
{
PictureManager.DeletePicture(productPicture.PictureID);
ProductManager.DeleteProductPicture(productPicture.ProductPictureID);
BindData();
}
}
public int ProductID
{
get
{
return CommonHelper.QueryStringInt("ProductID");
}
}
}
}
