create strongly typed dataset in code
Tài liệu Replacing Null Values in a Strongly Typed DataSet ppt
Ngày tải lên :
14/12/2013, 18:16
... 2.19 Replacing Null Values in a Strongly Typed DataSet
Problem
When a column in a database has a null value, you want the value in the DataSet to be a
string indicating that no value is available. ...
The sample code creates a strongly typed DataSet based on the Categories table in
Northwind. The user specifies whether the one based on the default or annotated schema
file is used. In either ... C# code is shown in Example 2-26
.
Example 2-26. File: TypedDataSetNullsForm.cs
// Namespaces, variables, and constants
using System;
using System.Configuration;
using System.Text;
using...
- 4
- 339
- 0
Tài liệu Controlling the Names Used in a Strongly Typed DataSet pdf
Ngày tải lên :
24/12/2013, 05:15
...
The sample code creates a strongly typed DataSet based on the Categories table in
Northwind. The user specifies whether the one based on the default or annotated schema
file is used. In either ... different objects in a strongly typed DataSet and the default names
and available annotations for each.
Table 2-18. Default values and available annotations for elements of strongly typed
DataSet objects ... Example 2-24. File: TypedDataSetNamesForm.cs
// Namespaces, variables, and constants
using System;
using System.Configuration;
using System.Text;
using System.Data;
using System.Data.SqlClient;...
- 5
- 389
- 0
Tài liệu Modifying Data Using a Strongly Typed DataSet pptx
Ngày tải lên :
24/12/2013, 01:17
... the example form.
Modifying Data Using a Strongly Typed DataSet
In Chapter 10
, you saw how to create and use a strongly typed DataSet class named
MyDataSet. You can use objects of ... find a completed VS .NET example project for this section in the
StronglyTypedDataSet2 directory. You can open this project in VS .NET by
selecting File ➣ Open ➣ Project and opening the WindowsApplication4.csproj ...
from that table. In this section, you'll see how to modify data using a strongly typed
object of the MyDataSet class.
Note One of the features of a strongly typed DataSet object allows...
- 3
- 299
- 0
Tài liệu Reading a Column Value Using Strongly Typed DataSet Classes pptx
Ngày tải lên :
21/01/2014, 07:20
... value using methods such as
I
sContactNameNull(), and you can set a column to null using methods such as
Reading a Column Value Using Strongly Typed DataSet Classes
A strongly typed DataSet ...
Creating a Strongly Typed DataSet Class
In this section, you'll create a strongly typed DataSet class that is used to access the
Customers table. If you're following along with these instructions, ... Northwind database. You can also follow along with
the instructions in this section by copying the DataReader directory to another
directory and using that project as your starting point.
Creating...
- 7
- 288
- 0
Tài liệu Creating a Strongly Typed DataSet pdf
Ngày tải lên :
21/01/2014, 11:20
... functionality in classes
from which the strongly typed classes inherit in the same way as with untyped classes.
A strongly typed DataSet class contains, in addition to a single class extending the
DataSet ... Generate (DataSet dataSet, CodeNamespace codeNamespace,
ICodeGenerator codeGenerator);
The arguments of the method are:
DataSet
The DataSet used to specify the schema for the typed DataSet.
codeNamespace ... the typed DataSet.
codeGenerator
A class capable of dynamically rendering source code in a specific language and
used to create the typed DataSet.
Using an XSD schema file to generate a typed...
- 5
- 324
- 0
Strongly Typed Object SQL
Ngày tải lên :
29/09/2013, 09:20
... public String getCode( )
{ return m _code; }
public void setCode(String code)
{ m _code = code; }
public String getName( )
{ return m_name; }
public void setName(String name) ...
oracle.jdbc.driver.OracleDriver.
-encoding= encoding_character_set
Controls the character set encoding used when writing the class files. The default is the
value in the system property file.encoding.
-input= input_filename ... appropriate INSERT statement will contain one placeholder in the
INSERT statement's VALUES clause:
insert into person_ot values ( ? )
Here, we've formulated an INSERT statement to insert...
- 38
- 309
- 0
Tài liệu Returning Strongly Typed Column Values doc
Ngày tải lên :
21/01/2014, 07:20
... unitsInStock);
Console.WriteLine("discontinued = " + discontinued);
}
This code results in the same output as Listing 9.1
. All I did in Listing 9.1 is to explicitly
show that a DataReader ... Console.WriteLine("productName = " + productName);
Console.WriteLine("unitPrice = " + unitPrice);
Console.WriteLine("unitsInStock = " + unitsInStock);
Console.WriteLine("discontinued ... productsSqlDataReader[unitPriceColPos];
object unitsInStock =
productsSqlDataReader[unitsInStockColPos];
object discontinued =
productsSqlDataReader[discontinuedColPos];
Console.WriteLine("productID = "...
- 2
- 228
- 0
E-mail Security in the Wakmail Wake of Recent Malicious Code Incidents
Ngày tải lên :
22/10/2013, 16:15
... launching the code. Good practices include making certain that administrative
accounts are kept to a minimum, that administrators use a regular account as much as
possible instead of logging in ... registry key of interest. The resulting
.reg file can be merged into the registry on another machine by simply double-clicking it
in Windows Explorer or calling it from a .bat file. Running regedit.exe ... it has already infected a machine. It does this by
looking in the download directory for WIN-BUGFIX.exe. If this file can be found, the
malicious code sets a Run key to invoke WIN-BUGFIX.exe...
- 22
- 361
- 0
Adult adversity - do early environment and genotype create lasting vulnerabilities for adult social adversity in psychosis
Ngày tải lên :
01/11/2013, 09:20
... containing Val favours reduction in tonic dopamine but
increases in phasic dopamine, giving rise to decreased cognitive stability but
increased cognitive flexibility. For the enzyme containing ... gene–environment
interaction are useful in designing studies of the person-environment interactions
that may cause continuous variation on the psychosis continuum.
REFERENCES
Bebbington, P., Wilkins, S., ... stress in psychosis
is dopamine sensitisation resulting in alterations in dopamine transmission. That
is, prolonged or severe stress may lead to hyper-reactivity of dopamine (DA)
neurons in response...
- 16
- 368
- 0
How to Free Yourself of ANY Disease, Stop Fatigue, And Create Unstoppable Energy in Your Life.
Ngày tải lên :
07/11/2013, 21:15
... alkaline balance is really a reflection of your life
and your inner world. The life giving balance of acid and alkalinity in your body is
determined by two things:
• Your Diet
o Alkaline In- Take ... underneath in your life; getting rid of the symptoms will not fix your life
If you are truly interested in building an incredible life, I highly recommend Tony
Robbins’ life changing 7 day ... pleasant… i.e.: strong churning pressure in your stomach. That’s part of the acid
which is building up in your blood as you indulge in these emotions.
In fact most aches and pains are simply part...
- 20
- 541
- 1
