...
Visual Studio. To create a Windows Forms–based application, you need to create a project of
type Windows Application. To begin creating such a project, click File ➤ New Project from the
main ... Text property to Click Me. Your form should now look similar to Figure 1-12.
Figure 1-12. Windows form with a Button control
Double-click the Click Me button to go into its Click event handler. ... Renow-Clarke, Dominic Shakeshaft, Matt Wade, Tom Welsh
Senior Project Manager: Beth Christmas
Copy Editor: Heather Lang
Associate Production Director: Kari Brooks-Copony
Senior Production Editor:...
... PROGRAMMING IN C
compiler, such as placing a double quote, which you would normally use to delimit a string, within
a string. The character following the backslash indicates what character the escape ... your computer.
Be careful!!
The \a sequence represents the “bell” character. Table 1-1 shows a summary of the escape
sequences that you can use.
Table 1-1. Escape Sequences
Escape Sequence Description
\n ... directive, which is an
instruction to your compiler to do something before compiling the source code. The compiler handles
these directives during an initial preprocessing phase before the compilation...
... JavaScript syntax, and I’ve chosen to introduce the topic by way of
practical examples and real-world instruction. The material is broken down into 14 chapters,
each of which is described here:
Chapter ... basic, right? What you need to take into account is the JavaScript
contained within the
functions.js file. A function called showHideCalendar is created,
which will either show or hide the calendar ... rather
excited to be building applications using the Ajax concept, and can’t wait to see what
creative Internet machines are put into place.
Ajax Requirements
Since Ajax is based upon JavaScript technology,...
...
Visual Studio. To create a Windows Forms–based application, you need to create a project of
type Windows Application. To begin creating such a project, click File ➤ New Project from the
main ... often called text nodes. Sometimes, the text content
that you want to put inside a node may contain special characters such as < and >. To represent
such content, you use a character data ... out from the database from data-access
components. But how will it reach the client? That is where serialization comes into the picture.
Serialization is a process in which data is written to...
... text box.
Select the button on the form and double-click it. The work area changes to source code,
with the cursor in the button_Click function. Add this source code to function:
TextBox1.text = ... The context-sensitive click is a fast way of fine-tuning particular aspects of
your solution and project. However, when clicking, please do not click OK in any dialog box; for
now, click Cancel ... manipulating a C# file that would contain C# code. Should a single C# file reference
a single C# class or namespace? And if not, how would you organize your C# code with
respect to C# files?
4....
... JavaScript syntax, and I’ve chosen to introduce the topic by way of
practical examples and real-world instruction. The material is broken down into 14 chapters,
each of which is described here:
Chapter ... advent of CGI, developers could now perform complex actions such as—
but certainly not limited to dynamic image creation, database management, complex
calculation, and dynamic web content creation. ... Manager: Richard Dal Porto
Copy Edit Manager: Nicole Flores
Copy Editors: Damon Larson, Jennifer Whipple
Assistant Production Director: Kari Brooks-Copony
Production Editor: Laura Esterman
Compositor:...
... opens, click Save, specify your install folder (such as the host
machine’s desktop), and click Save.
4. When the download is complete, click Close.
5. Now run the AdventureWorksDB.msi file to start ... & color not accurate spine = 0.9682" 512 page count
Books for professionals By professionals
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From Noviceto Professional
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SOURCE CODE ONLINE
Companion...
... specific character string
matches a specified pattern. A pattern can be created by using a combination of regular
characters and wildcard characters. During pattern matching, regular characters ... prompted to save changes to items.
2. Again, click File ➤ Connect Object Explorer. In the Connect to Server dialog box,
select
<ServerName>\SQLEXPRESS as the server name and then click Connect.
3. ... Database Life Cycle
The database life cycle defines the complete process from conception to implementa-
tion. The entire development and implementation process of this cycle can be divided
into small...
... Wildcard Characters
Wildcard Description
% Any combination of characters. Where FirstName LIKE 'Mc%' selects all rows where
the FirstName column equals McDonald, McBadden, McMercy, ... 96.
CHAPTER 6 ■ USING STORED PROCEDURES 101
9004ch06final.qxd 12/13/07 4:16 PM Page 101
9004ch06final.qxd 12/13/07 4:16 PM Page 118
// specify stored procedure to execute
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandText ... click Execute. You should see the message “Com-
mand(s) completed successfully” in the results window.
create procedure sp_Orders_By_EmployeeId
@employeeid int
as
select orderid, customerid
from...
... savings account. This involves two operations: deducting money
from the checking account and adding it to the savings account. Both must succeed
together and be
committed to the accounts, or ... open the connection, you create a transaction. Note that transactions are con-
nection specific. You can’t create a second transaction for the same connection before
committing or rolling back the ... the following query and click
Execute:
SELECT Cust.CustomerID,
OrderHeader.CustomerID,
OrderHeader.SalesOrderID,
OrderHeader.Status,
Cust.CustomerType
FROM Sales.Customer Cust, Sales.SalesOrderHeader
OrderHeader
WHERE...
... bold code to the try block of Listing 11-1.
try
{
// open connection
conn.Open();
// connect command to connection
cmd.Connection = conn;
Console.WriteLine("Connnected command to this connection.");
}
2. ... Connection Constructor
In the ConnectionSql project, you created the connection and specified the connection
string in separate steps. Since you always have to specify a connection string, you can
use ... {0}"
, cmd.ExecuteScalar()
);
}
catch (SqlException ex)
{
Console.WriteLine(ex.ToString());
}
finally
{
conn.Close();
Console.WriteLine("Connection Closed.");
}
}
}
}
3. Make CommandScalar...
... properties in ascending order by name from “a” to “z.”
You can switch to the Alphabetical view by clicking the icon located at the second posi-
tion from the left of the toolbar shown in the top of the ... 301
(
@firstname,
@lastname,
@titleofcourtesy,
@city,
@country
)
";
// create connection
SqlConnection conn = new SqlConnection(connString);
try
{
// create data adapter
SqlDataAdapter da = new SqlDataAdapter();
da.SelectCommand ... spaced to create visual appeal
and ease of accessibility.
Consistency
Your user
inter
face should exhibit a consistent design acr
oss each for
m in y
our applica
-
tion. An inconsistent design can...
... source, message, and stack trace for the exception. With-
out this specific
catch clause, the generic catch clause will handle the exception. (Try
commenting out this
catch clause and reexecuting ... way to cause an ADO.NET exception. You specify the command is for a stored
procedure call, but you don’t specify the stored procedure to call:
// specify that a stored procedure is to be executed
cmd.CommandType ... command
SqlCommand cmd = conn.CreateCommand();
// specify that a stored procedure is to be executed
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandText = "sp_Select_All_Employees";
try
{
//...
... i++)
{
loader.ExecuteInsertImages(i);
}
}
catch (SqlException ex)
{
Console.WriteLine(ex.ToString());
}
finally
{
loader.CloseConnection();
}
}
void OpenConnection()
{
// create connection
conn = new SqlConnection(@"
server ... the mouse to provide input to these
applications. Whatever users do using input devices gets translated into events that are
recognized and thus cause certain actions to occur. Clicking by using ... texttable
");
ExecuteCommand(@"
create table texttable
(
textfile varchar(255),
textdata varchar(max)
)
");
}
void OpenConnection()
{
// create connection
conn = new SqlConnection(@"
data source...