Implementing The "barcode Reader" mechanism Into Website?
Dec 5, 2010
Im creating my own website where my members will be able to buy and sell products online. Basically it would be selling and buying of cd's,dvd's,movies,games,bluray etc. I want the members to be able to enter the barcode of the product they wish to sell into a textbox, once they submit this, they should be presented with details of the particular product which matches the barcode. The details would usually be name and some description of the product. I have used this kind of software on an iphone and also come across it on this website http://www.musicmagpie.co.uk. Once the product shows up the member can can choose to go ahead in selling the product.
I wanted to know what is the process of implementing the "barcode reader" mechanism into my website.
I am searching for bar code integration code for Asp.net webform. Looking for complete sample source with suggestion of bar code scanner company and model name to integrate.
I used the barcode example to my application and it generated barcode perfectly now I want to know that can this barcode image is readable by a barcode reader device ?
If Yes then how and if no then why and how to do ?
While going through MSDN I found that in button properties useSubmitBeheviour there is written that if useSubmitBeheviour is true then it cause the Button control to use the browser's submit mechanism and false then the ASP.NET page framework adds client-side script to the page to post the form to the server.
Button.UseSubmitBehavior property is used to gets or sets a value indicating whether the Button control uses the client browser's submit mechanism or the ASP.NET postback mechanism.
So, What is the difference between client browser's submit mechanism and the ASP.NET postback mechanism?
I have some code in my vb.net code behind that queries a database, and if there is data, outputs it from the codebehind to a datalist on my asp.net page. In addition to sending the data to the datalist on the page, I need to take the value from "mbillaty" that is returned from the sql query, and have that value be the selected value for a drop down box also on the page. I can get either the datalist to fill, or the selected value for the dropdown box to be selected depending upon which bit of code I place before the other (ARGH), but I can't get them to both work together on the page. What am I doing wrong?
I am implementing an multilingual web site using ASP.Net. The languages are English,French and Arabic. Please note that Arabic's direction is RTL. What is the best way to implement the multilingual support. I am planning to use the .Net localization feature but the website texts are stored in DB. For the controls ( form controls) , I can used resx file. Do I need to build two different pages ( one for LTR and another for RTL )? Or can I have one ASPx file for all the three languages?
I would like to hear some best practices in implementing these kind of web applications.
what is the correct way to pass data through the AJAX calls and have it be model-binded into an object inside my Controller Action?
So far, I've read in some places that jQuery sends data in key-value pairs, so I don't have to do anything extra, while in other places, I've read that I have to first use a JSON deserializer and then bind the result. I've currently implemented my Controller Actions as ones that accept HTTP POST.
I am using the ASP.NET Web Site Small Business Starter Kit as a starting point for a simple web app. I wanted to convert it to a web project from a web site for few reasons (better interaction with VisualSVN, etc..).
I converted pretty much evertyhing over without too much trouble. Only one page is having an issue - at first the one issue I had on this same Provider: I was getting an error message about the type for the class that inherits ConfigurationSection (ProviderSettingsValidation) could not be found. I did some googling and ofund I had to change the web.config, at the type section for the provider to use the full assembly name/type name instead of just the typename. But after doing this, I get a new error and find myself stuck and found nothing on google... here is unhandled exception message:
An error occurred creating the configuration section handler for SmallBusinessDataProviders: Type 'FooWeb.ProviderSettingsValidation' does not inherit from System.Configuration.IConfigurationSectionHandler'. (C:ProjectsFooWebFacingFooWebFooWebweb.config line 5)
The problem is when i go to a URL that does not exist is still uses the 404 error page specified in IIS Manager.Question: How can I make it use the error.aspx page I have created? Why do the settings in IIS Manager override the web.config?
I have a site with about 4 pages or so. I was asked to implement a very simple security (check if user in database, if not kick out) using active directory and validating against a table of users. I was simply thinking of createing a master page and making all pages inherit that master page. I would then authenticate the users from the master page.
To use separation of concern and to optimize the clearness of the controllers we decided to split each action of a controller into different controllers (FunctionalLocationEditController, FunctionalLocationCreateController and such).
Problem now is the Global.asax is currently a bit big for just a few pages registered in routes.
We would need to use an area type of mechanism but for business reason we are not ready to upgrade just yet to MVC2.
Basically, is there a way in MVC1 to map the Urls to something like <folder>/<controller>/<action> ?
My question so general, but I think the answer will be specific.
All I want to know is:
Is there a way or steps or mechanism to test the application (web application) in a professional way?
Many times when I finish developing and try my application, testing it with dummy data several times, and when I think every thing is okay and I think I have covered all possible scenarios, I find I forgot important issues, or others tell me they found problems in my application.
I wonder mapping mechanism from controllers to views. I can not understand how mapping can be possible If we just return value of View() method. Controller class's View() method call overloaded View method with null parameters. But how can be possible to mapping to views with none specified returning value of View() method ?
i am using dot net open id for implementing openid in my website i want to redirect user to any of the open id provider site for sign up just like that of stack overflow provides for myopenid how to achieve this
If I open a connection and don't close it after query execution completes, store it somewhere, and use it next time a request comes in, isn't it something similar to what .net does? Is it possible to maintain a pool of connections according to our requirements without depending on ADO.NET's internal mechanism? In case of ODBC, I read somewhere that connection pooling will have to be enabled from ODBC datasources and that it cannot be set from within .net. What if I open a few ODB connections, leave them open and use those whenever a request comes in and close all of them when I know that I dont need them anymore. How is it different from connection pooling?
I want to display records based on the Prod ID entered by the user in the text box. Where can I find a tutorial to do that?
I can't find a simple one. I am completely new to .NET, and hardly know anything about grid view, SQL connections and stuff.
I need a step-by-step tutorial that explains how to do it. I want to learn about all of this.
Oh, BTW, I did establish an SQL connection and was successful in displaying my table on the web page. I want to learn how to search from that table and display records.
