Tài liệu Using Auto-Incrementing Columns Without Causing Conflicts pptx

... [ Team LiB ] Recipe 4.1 Using Auto-Incrementing Columns Without Causing Conflicts Problem You want to use an AutoIncrement column in a table without producing values that may be ... AutoIncrementWithoutConflictForm.cs // Namespaces, variables, and constants using System; using System.Configuration; using System.Data; using System.Data.SqlClient; // Table name c...

Ngày tải lên: 21/01/2014, 11:20

... ChildAggregateForm.cs // Namespaces, variables, and constants using System; using System.Configuration; using System.Data; using System.Data.SqlClient; // Table name constants private ... ds.Tables[ORDERS_TABLE] .Columns[ ORDERID_FIELD], ds.Tables[ORDERDETAILS_TABLE] .Columns[ ORDERID_FIELD], true); // Create the expression column for the line total. orderDetailTable .Col...

Ngày tải lên: 21/01/2014, 11:20

... ExpressionColumnForm.cs // Namespaces, variables, and constants using System; using System.Configuration; using System.Windows.Forms; using System.Data; using System.Data.SqlClient; // . . . private ... [ Team LiB ] Recipe 3.2 Using Expression Columns to Display Calculated Values Problem You need to display a calculated value for ... ConfigurationSettings.AppSettings...

Ngày tải lên: 21/01/2014, 11:20

... < Day Day Up > Using Actionscript to Draw Lines Dynamically Using ActionScript, you can dynamically draw lines in a movie as it plays—a ... the Movie Clip class. Using these drawing methods, you can: • Draw a line from the current drawing position to a point you specify • Move the current drawing position without drawing • Specify ... drawing position at any time usi...

Ngày tải lên: 14/12/2013, 22:15

... also works unattended using the command cachemov –unattend <drive>:\ (for example: cachemov –unattend D:\ ). Only when used in unattend mode will www.syngress.com Figure 3.20 Using the Files ... PM Page 155 156 Chapter 3 • Laptops Limitations and Considerations When Using EFS We’ve already covered a few caveats for using EFS, one of the most important being that you are unable t...

Ngày tải lên: 21/12/2013, 06:15

... objects stored in a DataAdapter. Using the DataAdapter Command Object's Transaction Property A DataAdapter stores four Command objects that you access using the SelectCommand, InsertCommand, ... Using Transactions with a DataSet (SQL) In Chapter 3 , "Introduction to Structured Query Language," ... this Transaction object. When you then modify your DataSet and push the...

Ngày tải lên: 24/12/2013, 01:17

... fields. We will be using these suffixes for visual elements throughout this book. Other, nonvisual elements, such as Sound and Date objects, have suffixes as well, but instead of using suffixes ... < Day Day Up > Using the Actions Panel/ActionScript Editor Obviously, the premise of this book requires you to ... Sound(); 8. This line of script creates a new Sound ob...

Ngày tải lên: 24/12/2013, 07:17

Ngày tải lên: 24/12/2013, 09:16

... TransactionDataAdapter.cs // Namespaces, variables, and constants using System; using System.Configuration; using System.Windows.Forms; using System.Data; using System.Data.SqlClient; private const String ... [ Team LiB ] Recipe 6.5 Using a Transaction with a DataAdapter Problem You need to use a transaction when updating a data source using a DataAdapter. Solution As...

Ngày tải lên: 21/01/2014, 11:20

... Using if Statements to Make Decisions You use an if statement when you want to choose between executing ... now). If the value of the seconds variable is 59, it is reset to 0, otherwise it is incremented using the ++ operator: int seconds; if (seconds == 59) seconds = 0; else seconds++; Boolean ... example: bool inWord; if (inWord == true) // ok, but not commonly used...

Ngày tải lên: 21/01/2014, 15:20