... loading items into it by using
the DataReader object. To get to the DataReader object, you need to look at the
Command object.
The Command object in .NET works similarly to the ADO Command in ... heard that the
DataReader object is a fast way to get data. How do you retrieve data using the
DataReader object to perform this task?
Technique
For this...
...
familiar object from Chapter 1 called the DataAdapter object. This time, instead of using
the OleDbDataAdapter data control, you will use the OleDbDataAdapter class from the
System .Data. OleDb ... connection to get there.
You know that the DataTable object should allow you to perform this task. How do you
get results from SQL Server by using the DataTable object...
... successfully ping the PC address, and the loopback, then the NIC
and TCP/IP have been successfully installed. Now it is time to test whether or not the
other hosts within the network can be ... reserved as the loopback address and is not
used on the Internet. Instead, the loopback is an address that pings the NIC installed in
the workstation you are currently using.
T...
... .NET type = " +
productsSqlDataReader.GetFieldType(discontinuedColPos));
// use the GetDataTypeName() method of the DataReader object
// to obtain the database type of a column
Console.WriteLine("ProductID ... show you how to get the .NET type and database type
of a column using C#. You get the .NET type used to represent a column using the
GetFieldTy...
... that you already have a SqlDataReader object named
productsSqlDataReader and it may be used to read the columns from the Products table.
The following while loop uses the GetSql* methods and returned ... how to read
column values as Sql* types using the GetSql* methods
*/
using System;
using System .Data;
using System .Data. SqlClient;
using System .Data. SqlTypes;...
... spectrum
of the original image are the same as in the previous case, i.e., Eqs. (29.72), (29.73) and (29.74) hold
true. The other two unknowns, i.e., the variance of the additive noise and the DFT of the ... stationary point. Furthermore, the results are
comparable to the ones obtained with the CD
uy algorithm.
{
Dx,v
}
as the complete data (CD Dx,v algorithm)
The...
... using %ROWCOUNT, add a test for no rows in the cursor by using the
%NOTFOUND attribute because the rowcount is not incremented if the fetch
does not retrieve any rows.
Processing Queries by Using
Explicit ... or fetch
the rows in a simple loop and determine when to exit the loop by using the
%ROWCOUNT cursor attribute.
Example
Retrieve the first five line ite...
... StarGazer
®
is the ADC element management system for PG-Flex
Plus
products. StarGazer is a
comprehensive, carrier-class management solution, supporting essential features from all the TMN FCAPS
management ... graphical user interface (GUI) is
fully compatible with the PG-Flex
Plus
SNMP management interface. StarGazer also provides full access to
the native PG-Flex
Plus
craft port scre...
... After the SQL string
is created, it is assigned to lblSQLString to display the string, and then it is used in
a data adapter to fill a dataset. Last, the SQL string is assigned as the data source ... source
for the data grid dgResults.
Listing 6.3 frmHowTo6_1.vb: Building the SQL String for Retrieving the
Data
Sub GenerateData(ByVal blnUseDistinct As Boolean)
&a...