.NET Tutorials, Forums, Interview Questions And Answers
Welcome :Guest
Sign In
Win Surprise Gifts!!!

Top 5 Contributors of the Month
david stephan
Gaurav Pal
Post New Web Links

Converting raw RGBA data back into an image.

Posted By:      Posted Date: October 18, 2010    Points: 0   Category :.NET Framework

I have been using a programme called Momento (which is a photobook programme - see www.momento.com.au if relevant).  With out boring you with the details I have lost all of my original data and am unable to recover it.

The programme did store image cache files in my application data and these appear to be related to the original picutres.  These files have names like 0dfc15fead0908ed2176d0d46e165614 and dont have file extensions.  Some are quite large - 3-4 GB which is consistent with the original pics.  There is also a file of thumb cache and these are DAT files.  Neither open with Momento.  I have been in touch with Momento support and they are unable to assist me other than to tell me the image cache files are raw RGBA data.

Obviously what I need to know is can I convert these files back to some sort of image and if so how and/or what programme can I use?  Is there a techincal service that could do it for me for a fee?

Thanks in advance


View Complete Post

More Related Resource Links

Error converting data type varchar to numeric.


I create a form to record data using ASP.NET and SQL database...
when i run the project show error "Error converting data type varchar to numeric"

what's the problem actually.i try to change in datatype in database..
but still showing error...


Store Null Data In image datatype in sql server 2005



i wanted to store image in sqlserver database image field and i did. But now in some cases i want to store null value in that image field please let me know how to do this using file uploader.please give complete sample code.


Errors in the back-end database access module. OLE DB reported an overflow of the data type for colu

Getting an error when processing a dimension, Errors in the back-end database access module. OLE DB reported an overflow of the data type for column 0. Errors in the OLAP storage engine: An error occurred while the 'xxxxxx' attribute of the 'Dim XXXXXX' dimension from the 'XXXXXXX' database was being processed. Content of this dimension is very similar to one that is processing no problem. The content of the dimension is one field only of type date.  The original content was imported through SSIS from a DB2 database on an iseries machine.  Thought a first the issue was because of the data contains some null values but the dimension the process OK also has some null  values.  The dimension that processes ok is also a single field of type date. Any help greatly appreciated, Roscoe

Conversion Failed when Converting the nvarchar value 'N' to data type int.

Hi.. I am facing a strange situation. when i executing the following query it is returning the error SELECT  s.row_id as shipment,    SUM(CAST(la5.attr_value AS INT)) AS Cases     FROM    shipment s WITH(NOLOCK)    INNER JOIN shipping_shift ss WITH(NOLOCK) ON s.shipping_shift = ss.row_id    INNER JOIN shift WITH(NOLOCK) ON ss.shift_id = shift.shift_id    INNER JOIN shipment_lot sl WITH(NOLOCK) ON s.po_id = sl.po_id AND s.cust_id = sl.cust_id AND          s.so_line_no = sl.so_line_no and s.ship_date_local = sl.ship_date_local     INNER JOIN lot_attr la5 WITH(NOLOCK) ON sl.lot_no = la5.lot_no AND sl.item_id = la5.item_id AND la5.attr_id = (SELECT attr_id FROM attr WITH(NOLOCK) WHERE attr_desc = 'CaseQty' AND attr_grp = 3)  WHERE s.spare2 = 'RELEASED'       AND shift.shift_desc = 'c'   AND DAY(ss.production_date) = DAY('2010-08-09 00:00:00.000')    AND MONTH(ss.production_date) = MONTH('2010-08-09 00:00:00.000')    AND YEAR(ss.production_date) = YEAR('2010-08-09 00:00:00.000') GROUP BY s.row_id  Msg 245, Level 16, State 1, Line 1 Conversion failed when converting the nvarchar value 'N' to data type int. The column  type of attr_value of lot_attr table is a USER D

Rendering Partial view postback with data posted back and entire view context

This is the base Index.aspx view:<%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage" %> <%@ Import Namespace="LMWebUI.Components" %> <%@ Import Namespace="LMWebUI.Models" %> <asp:Content ID="Content1" ContentPlaceHolderID="TitleContent" runat="server"> </asp:Content> <asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server"> <% Session["HasScripts"] = "false"; %> <% if (Utility.FixNull(Session["LoggedIn"],"false") == "false" ) {%> <% ViewData["Login"] = new PartialRequest ( new { controller = "Account", action = "LogIn" } ); ((PartialRequest)ViewData["Login"]).Invoke(ViewContext); %> <%} else {%> <div>Logged In Content here</div> <%}%> <script type="text/javascript"> LMx.init(); </script> </asp:Content> This is a helper class> that I found elsewhere, doesn't solve the problem, but still works to display the viewpublic class PartialRequest { public RouteValueDictionary RouteValues { get; private set; } public PartialRequest(object routeValues

ASP:Chart Image Not Loading When Converting to PDF

Here's a nice one for a Pro to bite into I have a web form that generates a set of reports including asp chart controls. Clicking on the black title loads the report section into the ajax enabled panel below it. Beautiful! Two Problems though: Sometimes, when the ajax is loading the next report section, all the other charts on the page flicker and sometimes even show a red x (the image disappears). They can then reappear again when another chart loads! 2nd Problem: If I use the html-to-pdf converter, I tell all the panels to bind to the data source (they are repeaters) on page load and show content. I Then convert the resulting datastream to PDF. All the other images on the page load, but the ones for the charts don't. I have looked at the generated code, and they are all linked fine to the correct address of the site and the chart generator url. A sample image of the working page is below: Example PageExample PDFPage PDF is generated from     Thanks in advance! IanB

Passing data to the client and back - best way?

I'm ok (I think) with using a data bound Custom Control on the server to get hold of my data (it will be part of a larger dataset) and to ultimately pass updates to the database.  The bit I'm researching at the moment is passing that data to and from the client. One way to pass the data to the client is to use JSON within the Pageload event to construct a set of Javascript objects (one per row in the data).  Is that the best way, or am I missing something? Then, after the data has been manipulated on the client, I need to pass the rows back again so that the server side code can pick them up and process the updates.  I've seen a suggestion on here that a hidden text field is one way to do that.  Is it the best? Neither of my approaches seem to be at all elegant - and I suspect that I am missing something fundamental in ASP .NET AJAX! Thoughts welcome, Thanks, Nick

ssis sql 2000 image to 2008 varbinary Failed to retrieve long data for column

Hi, I have a task that to migrate the image type column from sql 2000 to varbinary type in sql 2008. The source column having 3812353 max datalength size for the column. The package always failed with following error message. [OLE DB Source [13177]] Error: Failed to retrieve long data for column "attch_file_content_t". [OLE DB Source [13177]] Error: There was an error with output column "attch_file_content_t" (13209) on output "OLE DB Source Output" (13187). The column status returned was: "DBSTATUS_UNAVAILABLE". [OLE DB Source [13177]] Error: SSIS Error Code DTS_E_INDUCEDTRANSFORMFAILUREONERROR. The "output column "attch_file_content_t" (13209)" failed because error code 0xC0209071 occurred, and the error row disposition on "output column "attch_file_content_t" (13209)" specifies failure on error. An error occurred on the specified object of the specified component. There may be error messages posted before this with more information about the failure. Meng Chew

Generating for each data in Database new Image

Hello everybody! I have the next problem. I have in Database about 100 rows with X and Y coordinates. I have the one image -> "Car.png" How can I in one statement show all 100 cars in my Wpf Application ? ( generate for about 100 Image objects ). Best Regards, Oleg

Need to upload images with data, but image url's are in separate db table

Hello, I'm making a simple homes classifieds section and when a home ad is created, a HomeID is automatically created for it in the db.  I need the images to upload and enter the associated HomeID with each image automatically.  What I tried isn't working, because it looks like it's looking for the HomeID in the codebehind before it gets entered into the db.ASPX CODE<asp:SqlDataSource ID="SqlDataSource1" runat="server"         ConnectionString="<%$ ConnectionStrings:ConnectionString %>"         InsertCommand="INSERT INTO [Homes] ([UserName], [Street], [Details], [Contact], [Phone], , [Thumb], [Price], [Approved], [Posted]) VALUES (@UserName, @Street, @Details, @Contact, @Phone, @Email, @Thumb, @Price, @Approved, @Posted)"         SelectCommand="SELECT [HomeID], [UserName], [Street], [Details], [Contact], [Phone], , [Thumb], [Price], [Approved], [Posted] FROM [Homes]" >        <InsertParameters>            <asp:Parameter Name="UserName" Type="String" />            <asp:Parameter Name="Street" Type="Str

Say if ajax is forbidden on the client side,how can we still get the requred data back?

    <p>        <%using (Ajax.Form("ExamineTextBox", new AjaxOptions { UpdateTargetId = "result" }))         { %>             <%= Html.TextBox("textBox1")%>             <input type="submit" value="Button"/>              <span id="result"/>      <% } %>     </p>code slice of a sample view page(notice "Ajax.Form"):  <p>       <%using (Ajax.Form("ExamineTextBox", new AjaxOptions { UpdateTargetId = "result" }))        { %>            <%= Html.TextBox("textBox1")%>            <input type="submit" value="Button"/>             <span id="result"/>     <% } %>    </p>But if ajax request functionality is disabled/forbidden on the client side, I still wanna carry on the request , maybe in a normal http request way(mean refresh the whole page instead to at least get the data back). Is it

How to send data back to the datasource?

I have an ObjectDataSource which has two methods - GetData which gets data from the database and returns an array of Classes, and UpdateData which takes an array of Classes and updates the database.  The array of Classes contains sufficient information to allow UpdateData to work out what it needs to do.  So, to get an update to work, all I need to do is pass the [amended] array of Classes back to the ObjectDataSource via the UpdateData method. Then I have a control which inherits from DataBoundControl.  The control is happily using PerformSelect and PerformDataBinding to make the data available.  As it happens, I'm also implementing IScriptControl and throwing most of the data to the Browser as JSON for processing as a Javascript array.  I've got to the point where, on a PostBack, the data arrives back on the server and the control gets the array into the state where it is ready to update. Then, I need to pass the array of Classes over to the ObjectDataSource (the converse of the PerformSelect).  I was expecting to see a PerformUpdate or similar function within DataBoundControl.  At that point, I have juddered to a stop - and can't find anything which talks about how to get the data source to update. I'm, probably missing something obvious - and actually hope that I am! Thanks, Nick

Miss lines when converting data from TXT to sql

I have several txts files in a folder and I am trying to convert those into my sql database.  There is no error message during the conversion however, it misses converting some lines in my txt. It was showing that the total line number of the txt file was 8644 however after inserting into database, only 8631 shows up. I am so confused how can this happen? For example,   [Flat File Source [1]] Information: The total number of data rows processed for file "E:\My_Txts\20093347.txt" is 8742.  [Flat File Source [1]] Information: The processing of file "E:\My_Txts\20093347.txt" has ended.  and then it shows [DTS.Pipeline] Information: "component "OLE DB Destination" (9)" wrote 8730 rows. 

Dynamic Image Buttons in GridView not doing partial post back

Hi Gurus - Create a gridview with AllowPaging and AllowSorting = true- On page load, I bind it to datasource (in my case a webservice) - On gridview's rowcreated event, I dynamically add image buttons on the header of the grid for sorting (up/down arrows). On header I have column name and the image. I removed the Column name default sorting link. So user can now only click the image button for sorting.-  Call sorting method This works perfectly fine without AJAX. The paging, sorting works fine. Also when I apply AJAX the paging works fine. But the sorting is doing a full post back instead of partial postback. I have my gridview within UpdatePanel and Triggeres is set on gridview sill it doesn't work.ASPX Code<form id="form1" runat="server"> <asp:ScriptManager ID="ScriptManager1" runat="server" /> <div> <asp:Label ID="lblAccount" runat="server" Text="Account #: "></asp:Label> <asp:TextBox ID="txtAccountNumber" runat="server">12203A30</asp:TextBox> <asp:Button ID="cmdGo" runat="server" Text="Go" OnClick="cmdGo_Click" /><br /> <asp:UpdatePanel ID="UpdatePanel1" runat="server"> &l

Error converting data type nvarchar to numeric.

i create a form using form view tools in asp.net..when i click insert command it shows error..this is code which i use for InsertCommand:<asp:SqlDataSource ID="SqlDataSourceFormView" runat="server"         ConnectionString="<%$ ConnectionStrings:AED_PanasonicConnectionString2 %>"         SelectCommand="SELECT * FROM [Debtor]"        InsertCommand="INSERT INTO Debtor (CompanyName, Desc2, RegisterNo, Address1, Address2, Address3, Address4, PostCode)VALUES (@CompanyName, @Desc2, @RegisterNo, @Address1, @Address2, @Address3, @Address4, @PostCode)">        </asp:SqlDataSource>Error:-Error converting data type nvarchar to numeric.where i have to make changes?

Arithmetic overflow error converting expression to data type smallint

Can anyone tell me what exactly this means? Arithmetic overflow error converting expression to data type smallint. 

Converting a System.Windows.Control.Image object to byte array.

Hi i need to convert a specific System.Windows.Control.Image object into an (int) array, because i'm trying to convert a silverlight application into a wpf project. private void createGi02GradBrush()<br/> {<br/> WriteableBitmap oWriteableBitmap = new WriteableBitmap(256, 256);<br/> Image oImage = new Image();<br/> oImage.Arrange(new Rect(0, 0, 256, 256));<br/> oImage.Measure(new Size(256, 256));<br/> oImage.Source = new WriteableBitmap(256, 256);<br/> Gi02GradShaderEffect oGi02GradShaderEffect = new Gi02GradShaderEffect();<br/> oGi02GradShaderEffect.pArray = oPImageBrush;<br/> oGi02GradShaderEffect.gi1GradArray = oGi1GradImageBrush;<br/> oImage.Effect = oGi02GradShaderEffect;<br/> oWriteableBitmap.Render(oImage, null);//here<br/> oWriteableBitmap.Invalidate(); <br/> this.oGi02GradImageBrush = new ImageBrush();<br/> this.oGi02GradImageBrush.ImageSource = oWriteableBitmap;<br/> } I've found some similar topics however Image object is not the same and most of its methods aren't available. Here I'm rendering a writablebitmap with a given Image object, but in wpf we need an array. oWriteableBitmap.Render(oImage, null); Any idea? Thanks. Joseph.  
ASP.NetWindows Application  .NET Framework  C#  VB.Net  ADO.Net  
Sql Server  SharePoint  Silverlight  Others  All   

Hall of Fame    Twitter   Terms of Service    Privacy Policy    Contact Us    Archives   Tell A Friend