FILE: AUTOINCREMENTWITHOUTCONFLICTFORM.CS // Namespaces, variables, and constants using System; using System.Configuration; using System.Data; using System.Data.SqlClient; // Table name [r]
This chapter defines system software and discusses two types of system software: operating systems and utility programs. You learn what an operating system is and explore user interfaces, operating systems features, and operating system functions.
If your development environment is accessible externally, make sure your web server and virtual directories are secured if there is the possibility of access to the site externally, such as through an intranet or through the Internet if you connect to the Net through a modem. Re[r]
The GetParentRows( ) method can also be called on a row in the child table to return parent rows in situations where the child row can have multiple parents. This method returns an array of DataRow objects. Few commercial database products support many- to-many relationships between parent and<[r]
The XmlSerializer class serializes and deserializes objects into XML classes. It performs shallow serialization: only the read-write property values of the class are serialized, not the underlying data. The XML stream generated by the XmlSerializer class is compliant with the World Wide[r]
FILE: XSDSCHEMAFILEFORM.CS // Namespaces, variables, and constants using System; using System.Configuration; using System.Windows.Forms; using System.Text; using System.IO; using System.[r]
responsible for creating delimeters such as single quotes around strings and pound signs around dates. Code is reusable and not specific to the data provider. The SQL Server data provider uses the parameter names in the query and order is not important. The OLE DB data provi[r]
This chapter defines system software and discusses two types of system software: operating systems and utility programs. You learn what an operating system is and explore user interfaces, operating systems features, and operating system functions.
Before you can perform any of these customizations, however, you will first need to download and install the Visual Studio SDK. Extensions in VS2010 make heavy use of a new technology called MEF. Before we create any customizations we need to understand a bit about MEF.
A new instance of a Thread is initialized using a constructor that takes a ThreadStart delegate argument, which references the method to be executed when the Thread starts executing. The Start( ) method of the Thread changes the state of the Thread to ThreadState.Running allowing the ope[r]
Sets up the sample by using a DataReader to retrieve the ordinals for all columns in the Orders table of the Northwind database. Go Button.Click Builds a new DataReader containing the TOP 5 records from the Orders table in the Northwind database. The code iterates over the records in th[r]
wiggling. With rising excitement, more tests are run, and the chip seems to be doing okay. Next, some test software is loaded and executed. Rats! It died. Without spending the next 20 pages on telling the story of this defect, assume that the defect is found in the code [r]
Getting off the evil hamster wheel won't happen until programmers can code secure applications that work with every environment, and never ever have flaws. So we'll schedule that for the second Tuesday of the sixth week, which is an impossible possibility. Upgrades are something we have[r]
On the Select a Host screen, enter the hostname or IP address, encryption key, and security file path. The encryption key was entered when the perimeter host installed the VMM local agent. The security key is located in the C:\Program Files\Microsoft System Center Virtual Mac[r]
䊉 Assumptions made that would affect the method of the use case and that could stipulate required technology, such as the minimum technology requirements in a browser or even a specific or higher version of a browser. An assumption might be that cookies or JavaScript are enabled. The analyst[r]
FILE: ENFORCEBUSINESSRULESWITHCOLUMNEXPRESSIONSFORM.CS // Namespaces, variables, and constants using System; using System.Configuration; using System.Windows.Forms; using System.Data; TR[r]
Legend: Shading of rows is to assist in readability of the table. Note 1: This is the limit to which V DD can be lowered in SLEEP mode, or during a device RESET, without losing RAM data. 2: The supply current is mainly a function of the operating voltage and frequency. Other facto[r]
Sets up the sample by creating a DataTable and programmatically defining the schema to match the Categories table in Northwind. The AutoIncrementSeed and AutoIncrementStep property values are both set to -1 for the AutoIncrement primary key column, the CategoryID. A DataAdapter is[r]
In the Select Host Location screen, select one of the following options. The option chosen will alter the subsequent prompts in the Add Hosts Wizard. . Windows Domain Joined Host—If the host to add is a member of a Windows Active Directory domain, select this option and enter the credent[r]