Problems Displaying Images

Jan 26, 2007

Hi
I have a query that returns a companyname eg. "ACD". This info is then saved in a parameter.
On the logo (which depends on company), I use this parameter value to the pick up the right picture like this:

=Parameter!.company.Value &"_logo.jpg"

The image is there on the server an the path is correct, but the image is not displayed!
What is wrong?

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Displaying Images

Mar 16, 2006

Hi,
I am a new VWD user and have been trying to set up a website that allows 1 user to upload images into to SQL Express database and then display them with  a variety of other fields.
I have searched the forums, several books and many ASP "training" websites to find out how to do this. Every website seems to teach how to display a list of employees or show photo gallery, but none explains how to upload an image, save it in the appropriate field(s) in the database, and then display it when requested in a Datagrid or Details View using VWD and SQL Express 2005
Can any one give me directions to a solution, or send me a simple solution to this?
The best example of what I need is is a real estate listing, wherethe property for sale has 8 to 10 descriptive fields and 1 to 3 images that are displayed.
Any help would be appreciated.
Spacecaetrg.

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I have seen many postings regarding asp. sql and images. One postingon another group stated that images (jpg, etc) can be called by a dbinstead of being stored on the db.I am asking for some help with coding such a thing. What I want to dois include in the db the location (url) for the image so I can add ita pserson's record set and then be able to have it called from the dbto post on a web page.This is for an awards system.Thanks for any help.Dave

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I am still getting the little red x on my report where the image should appear. I have installed SP 1 and I'm using: =System.Convert.FromBase64String(Mid(System.Convert.ToBase64String(Fields!test_sceen_cap1.Value),105)) to handle the header created by MS Access (the data has since been moved to SQL Server 2005). I am using SSRS 2005 and simply trying to get the image to appear within the body of the report.



Is there anything else I can try to get this working? Thanks




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Jul 31, 2007

Hi all

I have a report and I display specific images based on the parameter selected. i.e. If parameter value = "1" then I display "image1.jpg". The images were added as a part of the project so I was able to display the images by setting the value property on the images to the image file name. So if I want to display image1.jpg then I would set the value property of the image to "image1.jpg".
Now I have decided to create a folder called "images" in which I want to keep all the images. So I have removed the images from the project. In the value property of the image when I put "/images/image1.jpg" it doesnt work. I have also tried "images/image1.jpg" When I run the report in the Preview mode, the image is not shown. How do i fix this?
The directory struncture is so:

Reports folder
--images folder
----image1.jpg
----image2.jpg
--report1.rdl
--report2.rdl

Thanks guys!!

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Hi,

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The images can be accessed with an anonymous access.

When I deploy the report or in the Preview of Visual Studio I get the following message:

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Hello,
This is my first post, and I'm hoping you all can help.

Using Reporting Services 2005, I have several reports that use embedded images.
All images render fine when the report execution is set to:
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1a) Do not cache temporary copies of this report

However, when I change the execution to either a Cache or a Snapshot, the images and some charts render as red "X" placeholders. This is sometimes remedied when the user clicks the page refresh button, but not always.

Of course, I could just have all the concurrent users use the uncached report that hits the OLAP server, but that would be highly inefficient, and just plain slow.

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Oct 17, 2007



Hi,

I'm developing an ASP.NET application that creates on-demand reports with Reporting Services 2005 in report server.
I use a custom data set that contains the data that I want to bind to the report, and I use a WebService to pass that DataSet to the reporting services to accomplish my purpose.

The query passed to the reporting services is:

<Query>
<Method Namespace=http://myNameSpace.com Name="GetDataSetForReport"/> <SoapAction>http://myNameSpace.com/WebService/GetDataSetForReport</SoapAction>
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</Query>

This works well and all the fields are displayed in the report fine except the Image Fields, that are not showing (the red X appears instead of the image).

The issue is that all the data that is bind to the dataset is contained in a SQL Server 2005 database, and the Image column in the table of that database is a VARBINARY(MAX) field (I insert the image into the database table).

Also, when I created the dataset in .NET, the column type of the dataset I declared for the Image field was Byte[], but that didn't work for me. I've also tried to declare as the field type Byte,SqlByte,Image,SqlBinary, etc without succesfull results.

I've also tried creating a XML Schema, declaring the Image field as base64Binary, then do DataSet.ReadXMLSchema(myschema) and then retrievied the data from sql server and filled the dataset, Again, the Images doesn`t display.

For finnishing my unsatisfactory tests, I've also tried to handle the image data with a MemoryStream object:


MemoryStream mem = new MemoryStream();
MemoryStream oStream = new MemoryStream();


mem.Write((Byte[])dr["Image"],0 , ((Byte[])dr["Image"]).Length); //dr is the datareader used to read from the DB


Image image = Image.FromStream(mem);

try

{


image.Save(oStream, ImageFormat.Png);

}

catch{}


newRow["Image"] = oStream.GetBuffer(); //newRow is a row of the custom DataSet.Table passed to the SSRS.


But again, the Image is not showing.

Any suggestions?


Thanks for you time.

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Hi,I really appreciate any help from somebody that could help me on how I can upload images in a GridView or DetailsView using ASP.NET 2.0 - VB.NETI have looked on the internet, but could not find any example....Here are my pages :ASPX-Page :
<asp:SqlDataSource ID="SqlDataSource2"
runat="server" ConnectionString="<%$ ConnectionStrings:IMMOASPNETDBConnectionString %>"
DeleteCommand="DELETE FROM aspnet_BuyGroundImages WHERE (BuyGroundID = @Original_BuyGroundID)"
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<asp:Parameter Name="Original_BuyGroundID" />
</DeleteParameters>
<UpdateParameters>
<asp:Parameter Name="BuyGroundDescription" />
<asp:Parameter Name="Image1" Type="Byte" />
<asp:Parameter Name="Image2" Type="Byte" />
<asp:Parameter Name="Image3" Type="Byte" />
<asp:Parameter Name="Image4" Type="Byte" />
<asp:Parameter Name="Image5" Type="Byte" />
<asp:Parameter Name="OptionOn" />
<asp:Parameter Name="Sold" />
<asp:Parameter Name="Price" />
<asp:Parameter Name="original_BuyGroundID" />
</UpdateParameters>
<InsertParameters>
<asp:Parameter Name="BuyGroundID" Type="Int32" />
<asp:Parameter Name="BuyGroundDescription" />
<asp:Parameter Name="Image1" />
<asp:Parameter Name="Image2" />
<asp:Parameter Name="Image3" />
<asp:Parameter Name="Image4" />
<asp:Parameter Name="Image5" />
<asp:Parameter Name="OptionOn" />
<asp:Parameter Name="Sold" />
<asp:Parameter Name="Price" />
<asp:Parameter Name="LastUpdated" Type="DateTime" />
</InsertParameters>

</asp:SqlDataSource>
<asp:DetailsView ID="DetailsView1" runat="server" AllowPaging="True" AutoGenerateRows="False"
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<Fields>
<asp:BoundField DataField="BuyGroundID" HeaderText="BuyGroundID" InsertVisible="False"
ReadOnly="True" SortExpression="BuyGroundID" />
<asp:BoundField DataField="BuyGroundDescription" HeaderText="BuyGroundDescription"
SortExpression="BuyGroundDescription" />
<asp:TemplateField HeaderText="Image1" SortExpression="Image1">
<ItemTemplate>
<asp:Label ID="Label1" runat="server" Text='<%# Bind("Image1") %>'></asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:FileUpload ID="FileUpload1" runat="server" />
<!-- <input id="File1" type="file" language="javascript" runat="server" />
<asp:TextBox ID="TextBox1" runat="server" Text='<%# Bind("Image1") %>'></asp:TextBox> -->
</EditItemTemplate>
<InsertItemTemplate>
<input id="File2" type="file" language="javascript" runat="server" />
<!-- <asp:TextBox ID="TextBox1" runat="server" Text='<%# Bind("Image1") %>'></asp:TextBox> -->
</InsertItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Image2" SortExpression="Image2">
<ItemTemplate>
<asp:Label ID="Label2" runat="server" Text='<%# Bind("Image2") %>'></asp:Label>
</ItemTemplate>
<EditItemTemplate>
<input id="File3" type="file" language="javascript" runat="server" />
<!-- <asp:TextBox ID="TextBox2" runat="server" Text='<%# Bind("Image2") %>'></asp:TextBox> -->
</EditItemTemplate>
<InsertItemTemplate>
<input id="File4" type="file" language="javascript" runat="server" />
<!-- <asp:TextBox ID="TextBox2" runat="server" Text='<%# Bind("Image2") %>'></asp:TextBox> -->
</InsertItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Image3" SortExpression="Image3">
<ItemTemplate>
<asp:Label ID="Label3" runat="server" Text='<%# Bind("Image3") %>'></asp:Label>
</ItemTemplate>
<EditItemTemplate>
<input id="File5" type="file" language="javascript" runat="server" />
<!-- <asp:TextBox ID="TextBox3" runat="server" Text='<%# Bind("Image3") %>'></asp:TextBox> -->
</EditItemTemplate>
<InsertItemTemplate>
<input id="File6" type="file" language="javascript" runat="server" />
<!-- <asp:TextBox ID="TextBox3" runat="server" Text='<%# Bind("Image3") %>'></asp:TextBox> -->
</InsertItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Image4" SortExpression="Image4">
<ItemTemplate>
<asp:Label ID="Label4" runat="server" Text='<%# Bind("Image4") %>'></asp:Label>
</ItemTemplate>
<EditItemTemplate>
<input id="File7" type="file" language="javascript" runat="server" />
<!-- <asp:TextBox ID="TextBox4" runat="server" Text='<%# Bind("Image4") %>'></asp:TextBox> -->
</EditItemTemplate>
<InsertItemTemplate>
<input id="File8" type="file" language="javascript" runat="server" />
<!-- <asp:TextBox ID="TextBox4" runat="server" Text='<%# Bind("Image4") %>'></asp:TextBox> -->
</InsertItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Image5" SortExpression="Image5">
<ItemTemplate>
<asp:Label ID="Label5" runat="server" Text='<%# Bind("Image5") %>'></asp:Label>
</ItemTemplate>
<EditItemTemplate>
<input id="File9" type="file" language="javascript" runat="server" />
<!-- <asp:TextBox ID="TextBox5" runat="server" Text='<%# Bind("Image5") %>'></asp:TextBox> -->
</EditItemTemplate>
<InsertItemTemplate>
<input id="File10" type="file" language="javascript" runat="server" />
<!-- <asp:TextBox ID="TextBox5" runat="server" Text='<%# Bind("Image5") %>'></asp:TextBox> -->
</InsertItemTemplate>
</asp:TemplateField>
<asp:CheckBoxField DataField="OptionOn" HeaderText="OptionOn" SortExpression="OptionOn" />
<asp:CheckBoxField DataField="Sold" HeaderText="Sold" SortExpression="Sold" />
<asp:BoundField DataField="Price" HeaderText="Price" SortExpression="Price" />
<asp:CommandField ShowDeleteButton="True" ShowEditButton="True" ShowInsertButton="True" ButtonType="Button" />
</Fields>
<FooterStyle BackColor="White" ForeColor="#333333" />
<EditRowStyle BackColor="#339966" Font-Bold="True" ForeColor="White" />
<RowStyle BackColor="White" ForeColor="#333333" />
<PagerStyle BackColor="#336666" ForeColor="White" HorizontalAlign="Center" />
<HeaderStyle BackColor="#336666" Font-Bold="True" ForeColor="White" />
</asp:DetailsView>Code behind page:
Imports System.IO
Imports System.Data
Imports System.Data.SqlClient
Partial Class gronden
Inherits System.Web.UI.Page
Protected Sub DetailsView1_ItemUpdating(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.DetailsViewUpdateEventArgs) Handles DetailsView1.ItemUpdating
Try
'copy file data into record?
Dim upload As FileUpload = CType(Me.DetailsView1.FindControl("FileUpload1"), FileUpload)
If Not upload Is Nothing Then
If upload.PostedFile.FileName <> "" Then
'copy file to a byte array in memory
Dim data(upload.PostedFile.ContentLength) As Byte
upload.PostedFile.InputStream.Read(data, 0, upload.PostedFile.ContentLength)
'get filename part only
Dim filename As String
Dim tmp As Integer = upload.PostedFile.FileName.LastIndexOf("")
If tmp >= 0 Then
'strip directory part
filename = upload.PostedFile.FileName.Substring(tmp + 1, _
upload.PostedFile.FileName.Length - tmp - 1)
Else
filename = upload.PostedFile.FileName
End If
'save this to the fields
e.NewValues("Image1") = data
e.NewValues("FileName") = filename
e.NewValues("Contenttype") = upload.PostedFile.ContentType
End If
End If
Catch Ex As Exception
Response.Write(Ex.StackTrace)
End Try
End Sub
 
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