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Total Hits: 2 | Today: 0
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Author: Johnny Papa
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Your boss says, "We need our app to talk XML." Of course, XML is a solid data format, but what about the data formats that are already used by your company's applications? Your business applications may have a data access tier that reads and writes data to and from a database and sends the data back to the business services tier. What format does that data take? If you use an ActiveX® Data Objects (ADO) recordset, your business component is reliant upon the ADOR object library, which may or may ...
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Total Hits: 380 | Today: 0
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Author: Steve White
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Data binding is a robust, powerful, and extensible infrastructure that is very popular with developers. This article offers best practices, addresses difficulties that developers have with data binding, and provides practical workarounds for some common issues...
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Total Hits: 957 | Today: 0
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This is the forth installment from the Programming Visual Basic .NET chapter on ADO.NET, focusing on binding a DataSet to a Windows and a Web Forms DataGrid....
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Total Hits: 2045 | Today: 0
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This is a VB.NET version of my C# tutorial "Working with Data-bound controls in C#". Working with data-bound controls using .NET ADO.NET and WinForms is so fun. You write few lines of code and these controls take care of rest for you. In this article, I’m going to show you how to use these data-bound controls in your .NET WinForms applications using VB.NET.
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Total Hits: 24 | Today: 0
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Author: Joe Cleland
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One of my ongoing frustrations has been that, in order to populate an object with private data from a data source you have to expose members publicly or create a class method that accepts the data and internally fills member values with the data. In the former case the member values are exposed to accidental corruption by developers and the concept of encapsulation is defeated. In the latter case the data gets too tightly coupled to the data source. It occurred to me that, by using reflection, I...
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Total Hits: 45 | Today: 1
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Author: Steve C. Orr
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One of the most commonly asked questions about ASP.NET is how to pass values between pages. At first this may seem like a trivial task to a moderately experienced programmer — but you’ll soon see that the subject is deep and potentially complex. There are so many ways to achieve this goal that finding the optimal solution in any given scenario can be challenging. Conflicting goals — such as ease of development, usability, security, efficiency, data size, and reliability — can all influence your ...
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Total Hits: 669 | Today: 1
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Author: Dave Grundgeiger
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This is the third installment from the Programming Visual Basic .NET chapter on ADO.NET, focusing on the relations between DataTables in a DataSet, and the DataSets XML capabilities.
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Total Hits: 31 | Today: 1
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Author: RoyOsherove
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In this code, we have one table, Soldiers and for each soldier we can have one or more notes, which is a simple one-to-many relationship. All we have to do in order to display a master details form here is have two DataGrids, one bound to ds.Tables("Soldiers") and one bound to ds with a DataMember property of "Soldiers.SoldierNotes"....
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Total Hits: 19 | Today: 0
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Author: Sprotty
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XML Data Binding allows you to manipulate an XML document via a set of simple objects. The rules defining the 'shape' of the XML document are described in an XML schema. Typically, it is possible to read an XML document into an XML binding library and manipulate it programmatically via simple get and set methods. Conversely, a document can be created from an XML data binding library, and serialized as an XML document....
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Total Hits: 6 | Today: 0
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Author: Ann Morris
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One of the most powerful aspects of .NET and Windows Forms is data binding. Data binding is the process of associating user interface (UI) elements with a data source to generate a visual representation of data. Two types of data binding are available for Windows Forms: Simple Data Binding and Complex Data Binding. Simple data binding allows you to bind one data element to a control. In many situations you want to display only one record at a time e.g., customer’s personal information. Textboxes...
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Total Hits: 14 | Today: 1
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Author: Ken Spencer
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How can I get the most out of data binding in the applications I write in Visual Basic® .NET? As I mentioned in last month's installment of Advanced Basics, data binding is alive and well in the Microsoft® .NET Framework and it's a great technology that makes dealing with data more useful in many types of applications. Let's pick up where I left off and look at some practical applications of data binding....
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Total Hits: 9 | Today: 0
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Author: Dino Esposito
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In ASP.NET 2.0, the GridView and DetailsView controls are designed to work together. They don't merely provide complementary services, they also share a number of helper classes and components. The output of the GridView control consists of a sequence of rows, each with a fixed number of columns. Each table column maps to a data column in the bound data source. The DetailsView control has a fixed number of rows (one for each column in the bound data source) and a constant number of columns (head...
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Total Hits: 14 | Today: 0
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Author: Randall Kindig
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A flexible, customizable grid for displaying data is a useful tool for ASP developers. It allows Web visitors to customize their view of your data. This article takes the data grid presented in "Ad Hoc Web Reporting with ADO 2.0" by Johnny Papa and Charles Caison (MIND, December 1998) and adds handy features such as a finds feature that supports multiple finds and a mode for adding and editing records. This version also improves response time by allowing asynchronous record download and it compo...
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Total Hits: 19 | Today: 0
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Author: Manoj G
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Binary tree is one of the most important data structures in the programming world. The basic definition can be given as follows (as mentioned in one of the data structures book by Tenenbaum). "A binary tree is a finite set of elements that is either empty or is partitioned into three disjoint subsets. The first subset contains a single element called root of the tree. The other two subsets are themselves binary trees, called left and right sub trees of the original tree. A left or right sub tree...
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Total Hits: 21 | Today: 0
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Author: Member 4159567
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What the article/code snippet does, why it's useful, the problem it solves etc. Here I have Posted the simple program for Move the values from DataBase to Excel. And it will stored in the given path. Read the example I posted, try to implement it, when you run into problems/errors post the code you are working with and I will try and help you, however, going to just post a solution to your problem so you don't have to do anything except copy & paste to get it working...
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Total Hits: 22 | Today: 0
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Author: chimeric69
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I have long wanted to write an article for CodeProject as I have used the articles and resources here many times. Then as part of a recent application I realized how lacking .NET is for currency support, don't get me wrong, there are many "pieces" but the glue for all items is missing, so this article is a response to that.
In this article (my first of many I hope), I'd like to cover some of the new features I found very useful from VS 2005 and .NET 2, including Class Designer, Operator O...
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Total Hits: 62 | Today: 0
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Author: yamen saleh
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I wasted around 3 days searching how to implement a paging results for my search pages, then I think why did not i use the asp table instead of gridview, and use the DataAdapter.fill to fill the datatable with the records i need to be viewd....
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Total Hits: 24 | Today: 0
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Author: Toby Wicks.
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The DatabaseObjects library was designed to aid in creating object-oriented database systems quickly and easily. It achieves this with a set of generic functions and interfaces that automatically generate all of the necessary SQL statements to load, save, search, delete and enumerate a database, sourced from either Microsoft Access, SQL Server or MySQL. The code examples below use the VB6 version of the library, however a fully functional .NET version of the library is also available. Demonstrat...
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Total Hits: 28 | Today: 0
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Author: clementsm.
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The XSLT files that were previously provided online at webservices.bus.oregonstate.edu are no longer going to be available. Instead you will need to download them and change the lines as described in the Updates section below. Please see the Updates section!...
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Total Hits: 54 | Today: 0
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Author: Korby Parnell and Martyn Lovell
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No one person can master all the languages, techniques, tools, and processes required to create world-class software applications rapidly and consistently. That's why most professional developers work in teams. Efficiency and economy demand it. In the same way, most software development teams adopt a parallel development methodology that liberates individuals from the constraints of serial development, where one developer completes one task before the next can begin another. Parallel development...
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