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For small blogs, it requires more references and explanation, which sometimes are redundant. So I thought of writing single blog which is combination of topics more or less related to one thing. I am exploring ADO.NET Entity Framework and have been trying
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ADO.NET is our contemporary data access component and now we have written many applications. Now there has been a lot of talk on LINQ to SQL. So we are little skeptical about this component and trying to find some relation between existing ADO.NET technology.
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ADO.NET and LINQ to SQL Describes the relationship of ADO.NET and LINQ to SQL. Analyzing LINQ to SQL Source Code Describes how to analyze LINQ to SQL mapping by generating and viewing source code from the Northwind sample database. Customizing Insert,
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Normal 0 false false false EN-US X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:"";
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Normal 0 false false false EN-US X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:"";
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ADO.NET Entity Framework have evolved since we have released it first time. Now with the Visual Studio 2008 if you install the .NET Framework 3.5 SP1 and Visual Studio 2008 SP1 you will get the fully functional version of ADO.NET Entity Framework. This
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You can create your application use LINQ to SQL and make it N-Tier. Go ahead and watch out the MSDN Documents N-Tier and Remote Applications with LINQ to SQL LINQ to SQL N-Tier with ASP.NET LINQ to SQL N-Tier with Web Services LINQ to SQL with Tightly-Coupled
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This question arises in one of discussions. If you have a XML document with “xmlns” then LINQ to XML does not return any IEnumerable<T> J . This is strange but true for XPath and XQuery. There is a trick to get it done, Let us assume that you have
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IEnumerable<T> and IQueryable<T> are the two most used terms of any LINQ discussion. What I am trying to here is that I am trying to simplify the two interfaces depending on their behavior. In LINQ world we generally have few providers available
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Wonderful composition of FAQ is available at http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=2769747&SiteID=1 by Matt Warren . Q: How do I get default values from the database when inserting new entities? A: LINQ to SQL does not support using
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You have XML document now you want to modify that XML file using LINQ to XML. It is as easy as you generally modify any database column value. Let us create a dummy XML stream, //Create dummy XML to work var root = new XElement ( "parent" , from i in
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When you create data bind application using wizard in Windows Forms application and connection string gets added to you settings file. Now you may be interested in changing that connection string but problems, 1) The connection string in settings has
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I have written a post earlier on how to attach Namespaces . After reading my article someone complained about the redundancy of the code. I also realized the pain. I was reading the book C# 3.0 In a Nutshell. There I got a very elegant solution. Let me
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Let’s say I have created two Xml files using LINQ to XML from Northwind database. I have taken two tables Category and Products and tried to join between two different files. Category XML <? xml version = " 1.0 " encoding = " utf-8 " ?> < categories
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If you are working with complex real world XML then you have to deal with namespaces to disambiguate. There are several ways to implement namespaces in LINQ to XML. One is you can use pure string to add your namespace with each element declaration, like
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