New PDF release: Murach's ADO.NET 3.5, LINQ, and the Entity Framework with C#

By Anne Boehm

ISBN-10: 1890774537

ISBN-13: 9781890774530

You will not get a ways as a C# developer until you know the way to put in writing database applications.That's the place this publication is available in. It exhibits you the way to exploit visible Studio 2008 and ADO.NET 3.5 to advance database purposes the way in which the easiest execs do.That comprises the total gamut of abilities you wish, from utilizing prototyping gains that generate ADO.NET code...to writing your personal ADO.NET code from scratch so that you can heavily regulate how the database processing works...to utilizing .NET 3.5 good points like LINQ and the ADO.NET Entity Framework that truly switch how you take into consideration dealing with facts. What this booklet coversYou'll commence through studying the right way to prototype home windows purposes utilizing drag-and-drop instruments like info resources. That will get you off to a quick start!However, the code that is generated by way of RAD instruments like those isn't really simply reusable, maintainable, or scalable. So subsequent, you will how you can create 3-layer purposes, writing your individual, extra versatile ADO.NET 3.5 code. Then, you will get a realistic path in utilizing LINQ to paintings with information from a wide selection of assets utilizing an analogous uncomplicated set of C# code. To be particular, the 6-chapter part during this ebook teaches you the way to take advantage of LINQ to things, LINQ to DataSet, LINQ to SQL, LINQ to XML, and LINQ information resource controls for internet applications.Finally, you will get all started utilizing the Entity Framework. EF presents a versatile version for mapping the enterprise items in a database software to database gadgets, and it generates most of the code that you would need to write from scratch in a different way. it is a large topic, however the 4-chapter part during this publication delivers the history and adventure you must see its power and begin utilizing it by yourself.

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Extra info for Murach's ADO.NET 3.5, LINQ, and the Entity Framework with C# 2008 (Murach: Training & Reference)

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This technique makes the script easier to read. The Now command is used to echo out the date and time, providing an easy way to time stamp logs and other output obtained from scripts. Next loop, it will time stamp each process as it is reported. This enables you to see how long it takes the script to complete its processingthe Now command reports down to the second. The Space () command uses the space function that is built into VBScript. We do not need to define it, or declare it, or anything.

On the next line, type Next. Next is not necessarily a bad thing, however, because it gives you a lot of extra control. vbs script checks a number of performance indicators on the server (that is, process thread counts, page faults, working set sizes, and the like). vbs script under CScript, or you will find yourself clicking an incredible number of dialogue boxes. vbs. The values for these items can change quite often, so you want to check them on a regular basis. However, frequent checking can cause a performance hit on either the server or the network (depending on how the script was utilized), so you want to check the status only at certain times.

Although a null value contains no valid data, it is not the same as zero or as the empty string "", often referred to as a null string. Then to make sure that what came back from InStr is not equal to zerowhich tells us that InStr is indicating where in the line the word error was found. We really don't care where in the line the word occurs, only that the word is present. Echo to echo out the value of strLine. Note that you print out strLine, which is the variable that contains the line of text that you read from the log file.

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Murach's ADO.NET 3.5, LINQ, and the Entity Framework with C# 2008 (Murach: Training & Reference) by Anne Boehm


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