Mahesh Chand's A Programmer’s Guide to ADO.NET in C# PDF

By Mahesh Chand

ISBN-10: 1430211334

ISBN-13: 9781430211334

ISBN-10: 1893115399

ISBN-13: 9781893115392

A Programmer's consultant to ADO.NET in C# starts via taking readers via a fast moving review of C# after which delves into ADO.NET. Why may still C# programmers use it rather than the prevailing applied sciences? What new performance does it supply? The chapters that stick to plow through the main points on all of the significant facts companies of the .NET platform (OleDb, SQL Server, and ODBC) that assist you to learn and write info to the distinct database. those chapters additionally function an outstanding reference for having a look up special tools and homes for those info supplier periods. Authors Chand and Gold additionally exhibit C# programmers tips on how to paintings with XML sessions and the way to combine XML into the ADO.NET architecture.
The booklet offers programmers with convenient principles approximately making the most of the VS.NET IDE and the way you could tie your information to the myriad of strong controls together with the multi-faceted info Grid. eventually, it is going via making a visitor ebook software for the internet so that you can see how all the things healthy together.

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Additional info for A Programmer’s Guide to ADO.NET in C#

Example text

Private The variable can only be accessed within the type in which it's defined. You'll now examine access modifiers in an example. In Listing 1-21, AccessCls is a class accessed by the Main method. The Main method has access to numl because it's defined as a public variable, but not to num2 because it's a private variable. Listing 1-21. Variable access modifiers using System; class VarAccess { . ToString()); } } When you access class members, the num2 variable is not available in the list of its members.

An integer value is returned, which represents whether an object is available in a hash table. Two other useful methods of the Obj ect class are MemberwiseClone and Finalize methods. The MemberwiseClone method creates a shallow copy of an object, which can be used as a clone of an object. The Finalize method acts as a destructor and can clean up the resources before the object is called by the garbage collector. You need to override this method and write your own code to 16 Introduction to C# clean up the resources.

Table 1-2. Object Class Methods METHOD DESCRIPTION GetType Returns type of the object. Equals Compares two object instances. Returns true if they're equal; otherwise false. ReferenceEquals Compares two object instances. Returns true if both are same instances; othewise false. ToString Converts an instance to a string type. GetHashCode Returns hashcode for an object. The following sections discuss the Object class methods in more detail. The Get Type Method You can use the Type class to retrieve type information from the object.

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A Programmer’s Guide to ADO.NET in C# by Mahesh Chand


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