creating a header file in visual studio
Using a DataReader Object in Visual Studio .NET
Ngày tải lên :
07/11/2013, 10:15
... visually create a DataReader object in Visual Studio .NET (VS .NET); you can
only create them using program statements.
In this section, you'll see how to create a SqlDataReader object and use ... object. For my
installation of SQL Server, the password to access the Northwind database is sa, and my
ConnectionString property is set to:
data source=localhost;initial catalog=Northwind;persist ... keyboard, or select Debug â Start
Without Debugging. Figure 9.4
shows the running form.
Figure 9.4: The running form
Using a DataReader Object in Visual Studio .NET
You can't visually...
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Tài liệu Creating a Command Object Using Visual Studio .NET docx
Ngày tải lên :
21/01/2014, 07:20
...
Creating a Command Object Using Visual Studio .NET
To create a SqlCommand object using Visual Studio .NET (VS .NET), you drag a
SqlCommand object from the Data tab of the Toolbox ... named MyDataReader containing a Windows application.
2. Add a SqlConnection object to your project (refer back to the previous chapter
to
see how to add a SqlConnection object using VS .NET). ... can also drag an
OleDbCommand object from the Data tab of the Toolbox to your form.
Before you perform the procedure explained in this section, do the following:
1. Create a new project named...
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Tài liệu Creating a Connection Object Using Visual Studio .NET pdf
Ngày tải lên :
21/01/2014, 07:20
...
Creating a Connection Object Using Visual Studio .NET
To create a SqlConnection object using Visual Studio .NET, you drag a SqlConnection
object from the Data tab of the Toolbox ... returned in a connection that has been
previously opened. You'll typically want to leave this in the default setting of False.
Coding an Event in VS .NET
You can add code for an event in VS ... stored in the actual code, and anyone could
get your password from the code. Leave Allow Saving Password in its default
non-enabled state; that way, the user will be prompted to enter the password....
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Tài liệu Creating a DataAdapter Object Using Visual Studio .NET doc
Ngày tải lên :
21/01/2014, 07:20
...
Creating a DataAdapter Object Using Visual Studio .NET
In this section, you'll learn how to create a DataAdapter using Visual Studio .NET.
N
ote You'll find a completed ... Properties window for sqlDataAdapter1:
• Configure Data Adapter This link allows you to re-enter the Wizard to configure
your DataAdapter.
• Generate Dataset This link allows you to generate a DataSet ... directory and using that project as your starting
point.
Open your form by double-clicking Form1.cs in the Solution Explorer window. Next,
create a SqlDataAdapter object by dragging a SqlDataAdapter...
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Tài liệu Creating a DataSet Object Using Visual Studio .NET docx
Ngày tải lên :
21/01/2014, 07:20
... The running form
Creating a DataSet Object Using Visual Studio .NET
In this section, you'll learn how to create a DataSet using Visual Studio .NET.
N
ote You'll find a completed ... following:
• Drag a DataSet object from the Data tab of the Toolbox to your form, and add
code to your form to fill it using the Fill() method of a DataAdapter object.
• Click the Generate Dataset ... Dataset link at the bottom of the Properties window of your
DataAdapter. You can see this link in Figure 10.13
.
You'll use the second step, so go ahead and click the Generate Dataset link....
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Tài liệu Writing a Script File in Linux pptx
Ngày tải lên :
18/01/2014, 05:20
... Systems, Inc.
Lab 10.4.10: Writing a Script File in Linux
Estimated Time: 25 minutes
Objective
Upon completion of this lab, the student will be able to create a script file and run it in ... need to perform a backup. Instead
of typing all these different commands individually each time, a script file can be written to
execute all of them with one command.
Procedures
Basic knowledge ... process. From the command line,
type:
vi/home/studentA5/backup
This will launch the vi text editor and a file called “backup” will be created and saved
in the home directory.
3. After the vi Editor...
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Tài liệu Creating a DataView Using Visual Studio .NET pptx
Ngày tải lên :
21/01/2014, 07:20
...
Creating a DataView Using Visual Studio .NET
In this section, you'll learn how to create a DataView using Visual Studio .NET (VS
.NET). You can follow along with the steps described in ...
Northwind database. Remember to add a substring containing the password
(pwd=sa, or similar).
4. Click on the sqlDataAdapter1 object in your form, and then click the Generate
Dataset link at ... Properties window for sqlDataAdapter1. Accept
the defaults in the dialog box, and click the OK button to create a DataSet object
named dataSet11.
5. Drag a DataView object from the Data tab of the...
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Client Side Reporting with Visual Studio in S Sharp
Ngày tải lên :
20/08/2012, 13:42
... types. For example, you
can use data from both a SQL Server and another database in the same report.
■
Note
Data quality is another important issue. As the saying goes, “garbage in, garbage out.” ... wise to
always find out if we have any garbage to deal with and make sure it doesn’t become a showstopper later.
Binding the Data to the Report
After taking care of the data source and designing ... similar?
Connecting to the Data Source
At times, data access is as simple as connecting to a local SQL Server or Access database. It
becomes more challenging if we need access to a business application...
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Evaluating Variables in a Flat File
Ngày tải lên :
05/10/2013, 08:51
... ■
CHAPTER 26
Evaluating Variables
in a Flat File
O
ne common scripting technique is to create a flat file that is one of a potential
number of canned messages for users to receive—messages ... message can be tailored specifically to the recipient.
In Chapter 36, I present a script that checks every morning for user passwords that are
aging and therefore should be changed. In that ... receive—messages such as notifications of
downtimes, changes in the environment, or use of system quota. (I consider a flat file
simply a file that contains text.) Based on the logic in the script,...
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Define a Class in Visual Basic .NET
Ngày tải lên :
07/11/2013, 15:15
... the same interface in different
ways.
An interface cannot exist as an object: It has no code and no place to store object data. A
class that implements an interface has an explicit contract ... selecting Add Class. Name the new file
CustomerInterface9_1.vb.
3. Change the class block declaration so that it reads interface instead of class, and
name the class ICustomer. You should have a ... Define a Class in Visual Basic .NET
Before writing code, you should take a moment to decide what data the class needs to
contain and what actions a developer (whether it is you or a teammate)...
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Tài liệu Accessing a Database Using Visual Studio .NET ppt
Ngày tải lên :
14/12/2013, 13:15
... Explorer-that's the best way to
learn.
Once you've connected to the database, you can view things such as the tables. You can
also retrieve and modify rows in the tables. You can drill ... by clicking the Show Diagram button in the
toolbar and selecting columns from the table, as shown in Figure 3.29
. As you can see,
I've selected the ContactName, CompanyName, and CustomerID ... the tables in the
database by clicking the Add icon in the tree in Server Explorer, and you can retrieve the
rows from a table by clicking the right mouse button on the table in the tree and...
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Tài liệu Creating a Class That Participates in an Automatic Transaction ppt
Ngày tải lên :
24/12/2013, 05:15
... programmatically to participate automatically in an existing transaction, to
start a new transaction, or to not participate in a transaction. The following steps prepare
a class to participate in ... they can participate in an
automatic transaction. Once an object is marked to participate in a transaction, it will
automatically execute within a transaction. The object's transactional ... transactions that span multiple remote databases and
multiple resource managers.
•
Objects participating in automatic transactions do not need to anticipate how they
might be used within a...
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Tài liệu Creating an XML File That Shows Changes Made to a DataSet pptx
Ngày tải lên :
21/01/2014, 11:20
... sample code contains two event handlers and a single method:
Form.Load
Sets up the sample by loading the Categories table from Northwind into a DataSet
and displays the DiffGram for the DataSet ... contains error information for an element in the
<DataInstanceName> section. Elements in this section are matched to elements in
the <DataInstanceName> section using the diffgr:id annotation ... information. The DiffGram is also
the primary serialization format used by the .NET Framework to persist and serialize a
DataSet. The DiffGram format is XML-based, making it platform and application...
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Tài liệu Creating a Table in the Database from a DataTable Schema docx
Ngày tải lên :
21/01/2014, 11:20
... Table in the Database from a DataTable Schema
Problem
You need to create a table in a database from an existing DataTable schema.
Solution
Use the CreateTableFromSchema( ) method shown in this ... CreateTableFromSchema( ) in the sample code is
called to create a table in the database from this schema.
CreateTableFromSchema( )
This method creates a schema in the database for the schema of the DataTable ... dynamically constructs a Data Definition Language (DDL) statement to
create a table in a SQL Server database from the schema of a DataTable. The complete
statement that is generated is shown in...
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Tài liệu Create a New SQL Server Database from Within Visual Studio .NET pptx
Ngày tải lên :
21/01/2014, 12:20
... actually make a database useful.
to create a new database, it does give you an idea of where you can see various databases
in your system. Now you will learn how to create a database in VS .NET. ... second way is to right-click on the SQL
Server instance to which you want to add the database -in this case,
SHADRACH2-and then choose New Database. Although both methods open the
Create Database ... You can open the Create Database dialog box from within the Server Explorer in
two ways. The first way is to right-click on the Data Connections node and choose
Create New SQL Server Database....
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