ch: 14, Try it out pg: 515

binaryspirit · May 4th, 2012, 11:09 AM

Completed the try it out, image isnt going to gigpics folder and i am getting following error in chrome:

Could not find a part of the path 'D:\project\WebSite1\virtualFolder\85296d4e-3f86-41d5-b05f-665304372668.jpg'.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.IO.DirectoryNotFoundException: Could not find a part of the path 'D:\project\WebSite1\virtualFolder\85296d4e-3f86-41d5-b05f-665304372668.jpg'.

Source Error:

Line 24: string fileName = Guid.NewGuid().ToString();
Line 25: string extension = System.IO.Path.GetExtension(FileUpload1.FileName);
Line 26: FileUpload1.SaveAs(System.IO.Path.Combine(physical Folder,fileName+extension));
Line 27: myPicture.ImageUrl = virtualFolder + fileName + extension;
Line 28: }

Imar · May 4th, 2012, 11:14 AM

Can you post the rest of the code for the Save action and explain how you set up your site? E.g. where you stored the web site, which folder for the Images you created and so on?

Cheers,

Imar

binaryspirit · May 4th, 2012, 11:29 AM

Site Structure image link:

http://img651.imageshack.us/img651/3033/captureqv.png

running website on filesystem

ManagePhotoAlbum.aspx.cs code:

public partial class ManagePhotoAlbum : BasePage
{
protected void Page_Load(object sender, EventArgs e)
{

}
protected void EntityDataSource1_Inserting(object sender, EntityDataSourceChangingEventArgs e)
{
int photoAlbumId = Convert.ToInt32(Request.QueryString.Get("PhotoAlbu mId"));
Picture myPicture = (Picture)e.Entity;
myPicture.PhotoAlbumId = photoAlbumId;

FileUpload FileUpload1 = (FileUpload)ListView1.InsertItem.FindControl("File Upload1");
string virtualFolder = "~/GigPics/";
string physicalFolder = Server.MapPath("virtualFolder");
string fileName = Guid.NewGuid().ToString();
string extension = System.IO.Path.GetExtension(FileUpload1.FileName);
FileUpload1.SaveAs(System.IO.Path.Combine(physical Folder,fileName+extension));
myPicture.ImageUrl = virtualFolder + fileName + extension;
}
protected void ListView1_ItemInserting(object sender, ListViewInsertEventArgs e)
{
FileUpload FileUpload1 = (FileUpload)ListView1.InsertItem.FindControl("File Upload1");
if (!FileUpload1.HasFile || !FileUpload1.FileName.ToLower().EndsWith(".jpg"))
{
CustomValidator cusValImage = (CustomValidator) ListView1.InsertItem.FindControl("cusValImage");
cusValImage.IsValid=false;
e.Cancel=true;
}
}
}

ManagePhotoAlbum.aspx :

<%@ Page Title="Manage Photo Album" Language="C#" MasterPageFile="~/MasterPages/Frontend.master" AutoEventWireup="true" CodeFile="ManagePhotoAlbum.aspx.cs" Inherits="ManagePhotoAlbum" %>

<asp:Content ID="Content1" ContentPlaceHolderID="head" Runat="Server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="cpMainContent" Runat="Server">
<asp:ListView ID="ListView1" runat="server" DataKeyNames="Id"
DataSourceID="EntityDataSource1" InsertItemPosition="LastItem"
oniteminserting="ListView1_ItemInserting">

<InsertItemTemplate>
<li style="">
Description:
<asp:RequiredFieldValidator ID="RequiredFieldValidator1" ControlToValidate="DescriptionTextBox" runat="server" ErrorMessage="Enter a description"></asp:RequiredFieldValidator>
<asp:TextBox ID="DescriptionTextBox" runat="server"
Text='<%# Bind("Description") %>' TextMode="MultiLine" />
<br />ToolTip:
<asp:RequiredFieldValidator ID="RequiredFieldValidator2" ControlToValidate="ToolTipTextBox" runat="server" ErrorMessage="Enter a Tooltip"></asp:RequiredFieldValidator>
<asp:TextBox ID="ToolTipTextBox" runat="server" Text='<%# Bind("ToolTip") %>' />
<br />
<asp:FileUpload ID="FileUpload1" runat="server" />
<asp:CustomValidator ID="cusValImage" runat="server" ErrorMessage="Select a valid .jpg file"></asp:CustomValidator>
<asp:Button ID="InsertButton" runat="server" CommandName="Insert"
Text="Insert" />
<asp:Button ID="CancelButton" runat="server" CommandName="Cancel" CausesValidation="false"
Text="Clear" />
</li>
</InsertItemTemplate>

<ItemTemplate>
<li style="">
Description:

<asp:Label ID="DescriptionLabel" runat="server"
Text='<%# Eval("Description") %>' />
<br />
ToolTip:

<asp:Label ID="ToolTipLabel" runat="server" Text='<%# Eval("ToolTip") %>' />
<br />
<asp:Image ID="Image1" runat="server" ImageUrl='<%# Eval("ImageUrl") %>' />
<asp:Button ID="DeleteButton" runat="server" CommandName="Delete" CausesValidation="false"
Text="Delete" />
</li>
</ItemTemplate>
<LayoutTemplate>
<ul class="ItemContainer">
<li runat="server" id="itemPlaceholder" />
</ul>
</LayoutTemplate>

</asp:ListView>
<asp:EntityDataSource ID="EntityDataSource1" runat="server"
ConnectionString="name=PlanetHarmonyEntities"
DefaultContainerName="PlanetHarmonyEntities" EnableDelete="True"
EnableFlattening="False" EnableInsert="True" EntitySetName="Pictures"
Where="it.PhotoAlbum.Id= @PhotoAlbumId"
oninserting="EntityDataSource1_Inserting">
<WhereParameters>
<asp:QueryStringParameter Name="PhotoAlbumId" QueryStringField="PhotoAlbumId"
Type="Int32" />
</WhereParameters>
</asp:EntityDataSource>
</asp:Content>

Imar · May 4th, 2012, 11:32 AM

Take a look at this:

Code:

string physicalFolder = Server.MapPath("virtualFolder");

You're using the literal value "virtualFolder", not the value of that variable. Change it to this and it should work:

Code:

 
string physicalFolder = Server.MapPath(virtualFolder);

Cheers,

Imar

binaryspirit · May 4th, 2012, 11:49 AM

thanx a lot, that really a silly mistake..

, now its working

how can i make it to accept other image formats, currently i am trying following but it isnt working

if (!FileUpload1.HasFile || !FileUpload1.FileName.ToLower().EndsWith(".jpg") || !FileUpload1.FileName.ToLower().EndsWith(".jpeg"))
{
CustomValidator cusValImage = (CustomValidator) ListView1.InsertItem.FindControl("cusValImage");
cusValImage.IsValid=false;
e.Cancel=true;
}

Imar · May 4th, 2012, 12:32 PM

You need to "Or" and "And " your logic together. E.g. in pseudo code:

if (no file And (not jpg or not jpeg or not gif)

E.g.

if (!FileUpload1.HasFile && (!FileUpload1.FileName.ToLower().EndsWith(".jpg") || !FileUpload1.FileName.ToLower().EndsWith(".jpeg")) )

Hope this helps,

Imar

binaryspirit · May 4th, 2012, 12:49 PM

ok, thats really nice of u. Enjoying your book a lot, its awesome n ur precious support too.