... working database programs with simple drag-and-drop techniques
Data binding involves connecting display and data- entry controls with a data source in a
way that somewhat automates the data management ... AutoGenerateColumns="False"
DataKeyNames="CourseID" DataSourceID="SqlDataSource1"
EmptyDataText="There are no data records to display.">
<Columns>
<asp:BoundField DataField="CourseID" ... from: iDATA.ws
Chapter 21 Binding Datawith ADO.NET
349
Database Objects panel in step 14 of the instructions, select the CourseCatalog table
from the list. Type CourseDataSet in the DataSet...
... objects in VS.NET
.NET Data Providers
•
SQL Client .NET Data Provider
–
communicate with SQL Server databases, version 7+
•
OLE DB .NET Data Provider
–
communicate with various data stores through ... constraints on the data stored locally within a DataTable object
•
DataRelation Object
–
Is used to indicate a relationship between different DataTable objects in
your DataSet
•
DataView Object ... Objects
Demonstrations
•
Create DataTable in DataSet
Dim ds As New DataSet()
Dim tbl As DataTable = ds.Tables.Add("Customers")
Dim ds As New DataSet
Dim tbl As New DataTable("Customers")
...
... flexible and
capable of dealing with very large BLOB data. Large BLOB data needs to be
treated differently than other data when reading with a DataReader since the data
cannot be contained in ... the schema from the data source using the FillSchema( )
method of the DataAdapter. Add the row to a DataTable and use the Update( )
method of the DataAdapter to update the data source. Recipe ... System.Windows .Forms;
using System.IO;
using System .Data;
using System .Data. SqlClient;
private const String TABLENAME = "TBL0911";
private DataSet ds;
private SqlDataAdapter...
... 9-4. Oracle LOB data type
Data
Type
Description
Blob
Oracle data type containing binary datawith a maximum size of 4 GB. This
data type maps to a Byte array.
Clob
Oracle data type containing ... containing character data based on the default character set
of the server with a maximum size of 4 GB. This data type maps to a String.
NClob
Oracle data type containing character data based on ... national character set
of the server with a maximum size of 4 GB. This data type maps to a String.
The Oracle .NET data provider handles CLOB and NCLOB data as Unicode. Each
character is therefore...
... just music.
To set the iPod up for data transfer, proceed like this:
1. Connect the iPod to your Mac with its USB cable or dock.
Use the white one that came with the iPod. (If this is the first ...
machine. You'd use this approach when, for example, you have a lot of data to copy, but
the two Macs aren't within networking range; for example, they're not in the same room
or ... yet
for transferring a lot of data even faster than copying files over a network. It's
extremely useful in any of these situations:
• You're traveling with a laptop. You want to copy...
... every time you save a new document. You and your
Windows comrades can freely exchange documents without ever worrying about this
former snag in the Macintosh/Windows relationship.
6.3.2. Notes ... You can drag files to and from this disk (or
its window) exactly as though you're working with a Mac disk (only slower).
6.3.2.1. Creating a Windows disk on the Mac
You can even create...
... of items
selected in the list box.
DataRowView Object type that the data provider provides.
Items (index) A collection of the ListBox control. Returns a DataRowView
type object. If you have ... 8.1 Work with Data- Bound Multi-Select List Boxes Using Windows Forms
It is common to have to assign products to categories, which is ... well same old, same old here. Create a data adapter
' and fill the dataset.
' Next, bind it to the list box.
odaUnSelected = New OleDb.OleDbDataAdapter(strSQL,
End Sub
6. Add...
... The DataTextField and DataValueField of ddCategories are then
set. After that, the DataBind method of the DropDown is called. This is necessary
for binding data to the server controls on Web Forms. ... check performs this task. Next, you will create a data adapter
called odaCategories and load the categories SQL Statement into it. The
dtCategories data table is filled and set as the DataSource ... Me.ddCategories.DataSource = dtCategories
Me.ddCategories.DataTextField = "CategoryName"
Me.ddCategories.DataValueField = "CategoryID"
' This is necessary for Web Forms, ...
...
population did not include subjects with malnutrition
nor there were any with nutritional modifications
during the interventional period. More studies with
larger sample sizes and longer ... improvement of aspirin effect with de-
creased total cholesterol may partly account for
non-effectiveness of aspirin in cardiovascular disease
among patients with concurrent increases of total ... total cholesterol with a
mild-to-moderate increase of physical activity among
such patients.
While age-related reductions in the activities of
several enzymes are known (2), data regarding the...