How To Create A Layer On An Image
Jun 12, 2010How can I create a Layer on an Image, or Image on another Image?
because it doesn't let me do that, only layer near the image.
How can I create a Layer on an Image, or Image on another Image?
because it doesn't let me do that, only layer near the image.
I'm trying to retrive images from SQL (2005) using ASP.NET 2008
At present I have a business object layer and a data access layer to get some data from the database. This works fine but now, i would like to also retrive an image along with the data.
part of my business object layer is shown below, how can i incorporate the image into this.
I have a DLL file which will take care of displaying the image in the web page once i have retrived it.
[Code]....
How to create the DAL Layer for the 3tier Architechture
View 1 RepliesI am new to this .NET what is the difference between N-Tier and 3- Tier Architecture. If they are same. How to pass the values from presentation layer to business logic layer.
For Example
I have 10 controls in presentation layer. I passing values to these controls. How the architecture works.
I'm attempting to create Data Access Layer for my web application. Currently, all datatables are stored in the session. When I am finished the DAL will populate and return datatables. Is it a good idea to store the returned datatables in the session?
Note: generally the number of rows in the datatable will be small < 2000.
I am building a web site following the tutorials on asp.net. I am using dataset as data access lay, and writing classes to access the dataset. But the example is just basic ideas, how do I retrieve individual table column value in the business layer?For example, if I have a table called Product, I only want to find out what is the product name by product id. I did this in my ProductBLL:
public ProductBLL
{
public int GetProductName(string productId)
{
ProductDataSet.ProductDataTable prodData = Adapter.GetProductById(productId);
[code]...
Is there a better way, or am I doing this correctly? Can anybody give me a reference to a more complicated business logic model?
how the data pass from one layer to another layer in mvc design pattern...
View 2 RepliesI've even got my JQuery Ajax submission going on now but I've encountered another problem. I *think* it's something to do with the structure I'm using but like I say, I'm fairly newo this.I have my AJAX form submission which builds my "PersonViewModel" (model for the presentation layer) in JSON and sends it to "@Url.Action("RegisterSubmit")" in my Person Controller. Now, I seperate my business layer from my View/presentation layer so in "RegisterSubmit"I'm verifying the model is valid then instantiating a new instance of my business model "Person", adding the values from "PersonViewModel" and then calling my "Save" function.
View 7 RepliesWe're building a large web app that has numerous layers. In order to communicate to the business layer we're using a service layer that the web layer calls when data is needed. Unfortunately, it seems that if exceptions are thrown in the business layer, it seems that the services on the web side are wrapping the exceptions and re-throwing them. We're looking for a clear way to encapsulate the error and log it, without WCF wrapping a new exception around the original.
View 2 RepliesMy repositories throw exceptions (System.Exception) when some things go bad and I know this is bad practice.. so i will create a custom exception (DataException). My question is should this custom ex class be in the repository layer or the domain layer? Im thinking it should be in Domain layer where all business objects and repository interfaces live but just want to make sure.
View 3 RepliesI'm trying to reevaluate our n-layer architecture and would love to get some based on your experiences. Here is our typical .NET n-layer (sometimes n-tier) design.
Project.UI
Project.Services
Project.Business
Project.Model
Project.DataAccess
DataAccess typically consists of Entity Framework 4 and Repository classes. I attempt to follow the Aggregate Root concept in order to avoid having a repository for table, easier said than done in my experience. I tend to have ~70% match between Repositories and Tables.
Model usually consists of my Entity Framework 4 entities, I've been using Self-Tracking EF entities with success.
Business is what I struggle with the most. I typically have a Manager class for every Repository. This class will contain methods like .Add() which will perform business validation before forwarding down to repository.Add().
Services, typically I will only implement this if in fact I am looking to create a web service based solution. This layer will be tasked with marshaling requests/responses between DTOs and entities. And most importantly provide the more coarse grained interface. For example a TradingService.SubmitTrade(), which is really a facade for a business transaction which might include AccountManager.ValidateCash(), OrderManager.SubmitOrder(), etc.
My business layer is very entity centric, really it's just the glue between the entities and the repository, with validation in between. I've seen many designs where the Service Layer is what holds a reference to the repositories (in essence skipping the "business layer"). In essence it serves the same purpose as my Business layer, it does the validation, however its' responsibility (and naming) is a higher level, more coarse grained business transaction. Using the example above the TradingService.submitTrade() will not delegate to any business manager classes, it would itself query the necessary repositories, perform all the validation etc.
I like my design in a sense that I can reuse a business layer method in multiple service calls, however I hate the fact that for every repository I have a matching business layer manager, creating tons of extra work. Maybe the solution is a different type of grouping at the Business Layer level? For example combine individual Manager classes like PhoneManager and EmailManager (note I have Phone entities and Email entities) into a logical Manager class such as ContactsManager (note I don't have a "Contact" entity type). With methods such as ContactManager.GetPhones() and ContactManager.GetEmail(), etc.
here i have in 3-tier architecture , how to pass the data between DAL and BAL. i am using grid view to edit the data,when ever i click on the edit button all the corresponding fields should come to textboxes. i tried for delete ,it works fine bt not working to EDIT.
View 7 RepliesI have a table with columns songID, Album, Artist and title. I have created a method called Updatesong() in data access layer. The SQL qerry in UpdateSong() method is
UPDATE Music
SET Title = @Title, Album = @Album, Artist = @Artist
WHERE (Title = @Title)
In a web page I have called the UpdateSong metod on a button click as
protected void Button3_Click(object sender, EventArgs e)
{
int SongID = Convert.ToInt32(musicAdapter.UpdateSong(TextBox3.Text.ToString(), TextBox4.Text.ToString(),[code]...
Whatever I'm changing in the textbox are getting updated except title column. I dont no whats wrong in that. If I change the SQL querry in tableadapter as
UPDATE Music
SET Title = @Title, Album = @Album, Artist = @Artist
WHERE (SongID = @Original_SongID)
I get an error saying "No overload for method 'UpdateSong' takes '10' arguments".
Iam facing the problem with creating the Data Access layer using Dataset.xsd file and How to access the data from the file.
View 2 Repliesi am using fileupload asp.net controll so how i create image preview before image uploaded
View 6 RepliesHow to create image slide show where image path/url comes form database, using asp .net c#..
View 1 RepliesI'm reading through Architecting Microsoft .Net Solutions for the Enterprise and I try to figure a couple of things out concerning the Presenter and the Service Layer.
First off, my Presenter needs to call methods that reside in the Service Layer, like initialize(), save() etc. But where do I place a reference to the service layer? Should it be at class level in the Presenter, or should I define a new service in the presenter methods itself?
Second - this isn't really clear in the book either - is this how the processing from the Presenter to the Service Layer works?:
[code]....
Just wondering, in an ASP.NET MVC3 environnement with entity framework. Should the Unit of Work point to the service layer or the repository (and then the repository point to the service layer) ?
Ive saw two example:
* One where the unit of work and repository both have an instance to the service layer..
Link: Entity Framework 4 CTP 4 / CTP 5 Generic Repository Pattern and Unit Testable
Doesn't use a service layer but its obvious that one could be use in that case.
* Second where the unit of work have an instance to the repository which have an instance to the service layer..
[URL]
What would be better ?
1) I have images (.png) with transparen backgrounde,which is draw by my designer suppose name of image is Col1.png 2) I also have few images with fabric design. suppose name is fabric1.jpg/png 3) Now i want to create new image with same design as Col1.png with fabric1.jpg/png design.
View 1 Replieshow to create the image dynamically based on the points i get from table
if point =1
my image must be displayed once,
if point=2
imgae has to be display twice.... in that way
I want to display the thumbnail image in grid view from file location . how to generate that of .jpeg file
I am using C# language with asp.net
I have Image Saved In a Folder I want that these images convert into Binary Form and their value gets stored in the Database ? How to convert them into Binary Form ?
View 4 RepliesI've a few images (png files) - Depending on the number of options selected by the user in my application, I want to create a pdf file with one or more images inserted in it.
Is it possible with C#?
I want to ask how I can create a waterMark for a image runtime in other words I want to write some text at every Image I show in my site.
View 1 RepliesHow to create an Image button as per requirement. and is it possible can i create by HTML , if it's yet than what is the code and where i need to place that code.
View 5 Replies