ado net books

ADO. NET review-write your own SqlHelper class, ado. netsqlhelper Today, I reviewed the basics of ADO. NET and sorted out the points I think: Compile the SqlHelper class to facilitate the execution of database statements. In this case, you can directly call the method encaps

ADO. NET -- Connection, Command ., Ado. netconnection The. NET Framework Data Provider includes four core objects: Connection, Command, DataReader, and DataAdapter. Here, I will just talk about the objects that are frequently used in SQL Server. The connection object SqlConnection, which is used in the namespace of Sys

The trap of SQL statements with parameters in ADO. NET, ado. netsql1. Use Parameter // Using the constructor method, it is not recommended to write Parameter p = new Parameter ("@ id", value); cmd. parameters. add (p); // It is recommended to write Parameter p = new Parameter () {ParameterName = "@ id", Value = "Value"} in this way by using the object initiator "

not an expert in the Microsoft product group, but a senior with long-term experience in related fields. Self-paced Books are no less authoritative Msdn . If you think Self-paced The series of books are just for reference to Microsoft certification exams, so you are wrong. Because of writingSelf-paced The authors of the books fully consider the practicality of th

Detailed description of DataReader In ADO. NET, ado. netdatareaderFeatures Schematic diagram PS: Read () moves the pointer down and destroys the previous one. Therefore, SqlDataReader is only input. GetValue () is used to find columns in the current row. SqlDataReader () feature. 1) The above schematic is described. 2) read-only SqlDataReader can only be obtained

when you deploy or replace the Running code. Scalability and availability. ASP. NET has been designed with Scalability considerations and added a feature specifically designed to improve performance in a clustered and multi-processor environment. In addition, the process is affected by ASP. NET Runtime Library is closely monitored and managed, so that when the process behavior is abnormal (leakage, deadloc

Ado. Net Object Model The ADO. Net object model has five main components: connection object, command object, datareader object, dataadapter object, and DataSet object. The components that are responsible for establishing online and data operations are called the data operation component (managed providers), which is co

Comparison. NET PetShop and Duwamish to discuss Ado. NET database programming mode overview Ado. NET provides us with powerful database development capabilities, and multiple built-in objects provide different options for our database programming. However, when we allow flex

When using ADO. NET to develop applications, various requirements for data operations are required. In some cases, you may just want to display data on the form. In other cases, you may need to design a way to share information with another company. Regardless of the operations on the data, you should understand some basic concepts about the data methods in ADO.

://pan.baidu.com/s/1slBtLH7 (originally I in order to be able to touch this version of the fourth edition of the original book, I was hungry for nearly one months of the belly to buy it down, every day is not vegetables and rice is the meal is vegetarian powder. Learning difficulty may be a bit big, download the later slowly see it)C # Advanced book Sharing : Http://pan.baidu.com/s/1kVdafrD (Nineth edition of C # High-level programming, all stages of learning content to speak)WinFormFamiliarize

ado| Programming | data | database Overview Ado. NET provides us with a strong database development capabilities, its built-in multiple objects for our database programming provides a different choice. But when we are allowed to choose flexibly, many beginners are puzzled, should I use DataReader or should I use DataAdapter? I just want to read a small amount of

ADO. net name originated from ADO (ActiveX Data Objects), which is a broad class group used to access data in the past Microsoft technology. ADO is used. net name, because Microsoft, you want to indicate that this is in.. NET prog

Columns Compare. Net petshop and duwamish to discuss the database programming mode of ADO. net. Lu Yan Brief Introduction to. Net petshop and duwamish I believe you have heard of the famous "Pet Store wars". Yes, one of the protagonists of this article is winner. Net