connecting to a remote mysql database with phpmyadmin
Tài liệu Connecting to a Secured Access Database pptx
Ngày tải lên :
24/12/2013, 05:15
... Team LiB ]
[ Team LiB ]
Recipe 1.4 Connecting to a Secured Access Database
Problem
You want to connect to a Microsoft Access database that has been secured with user-level
security and ... database.
The sample code contains a single event handler:
Connect Button.Click
Creates and opens a connection to a Microsoft Access database secured with user-
level security and a workgroup ... defined by ADO.NET. To open a database secured by
Microsoft Access user-level security, use the Jet OLEDB:System Database attribute in
the connection string to specify the path and filename of...
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Tài liệu Connecting to a Password-Protected Access Database ppt
Ngày tải lên :
24/12/2013, 05:15
... result.ToString( );
}
Discussion
A Microsoft Access database password requires that users enter a password to obtain
access to the database and database objects. This is also known as share-level ... those defined by ADO.NET. To open a database secured by a
Microsoft Access database password, use the Jet OLEDB :Database Password attribute in
the connection string to specify the password. This ... security. A
password does not allow groups or users to have distinct levels of access or permissions.
Anyone with the password has unrestricted access to the database.
The Set Database command from...
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Using a SqlConnection Object to Connect to a SQL Server Database phần 1
Ngày tải lên :
07/11/2013, 10:15
... performance improvement because you don't have to wait for a
brand new connection to the database to be established when there's a suitable connection
already available. When you close a ...
Opening and closing a database connection is a relatively time-consuming process. For
this reason, ADO.NET automatically stores database connections in a pool. Connection
pooling offers a great ... server=localhost ;database= Northwind;uid=sa;
mySqlConnection.ConnectionTimeout = 15
mySqlConnection .Database = Northwind
mySqlConnection.DataSource = localhost
mySqlConnection.PacketSize = 8192
mySqlConnection.ServerVersion...
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Tài liệu Using a SqlConnection Object to Connect to a SQL Server Database phần 2 doc
Ngày tải lên :
14/12/2013, 13:15
... class.
The following example defines a method named StateChangeHandler to handle the
StateChange event. You'll notice that the second parameter to this method is a
StateChangeEventArgs ... SqlConnection("server=localhost ;database= Northwind;uid=sa;pwd=sa");
// monitor the StateChange event using the StateChangeHandler() method
mySqlConnection.StateChange +=
new StateChangeEventHandler(StateChangeHandler); ...
object's State property to get the current state of the connection to the database. The State
property returns a constant from the ConnectionState enumeration.
Note An enumeration is a list...
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Tài liệu Connecting to a Microsoft Excel Workbook ppt
Ngày tải lên :
14/12/2013, 18:16
...
Create a SQL SELECT statement referencing a worksheet or a range in an Excel
workbook and execute the statement to fill a DataSet using a DataAdapter or to create a
DataReader. For example: ...
INSERT INTO [MySheet$] (Field1, Field2, Field3)
VALUES ('testdata', 1.234, '09/28/1979');
Retrieve data
Use either a DataAdapter or a DataReader to retrieve data from an Excel ... 1-2
.
Example 1-2. File: ExcelForm.cs
// Namespaces, Variables, and Constants
using System;
using System.Configuration;
using System.Data;
private OleDbDataAdapter da;
private DataTable...
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Tài liệu Connecting to a Named Instance of SQL Server or Microsoft Data Engine (MSDE) docx
Ngày tải lên :
14/12/2013, 18:16
... ConfigurationSettings.AppSettings["Sql_Msde_ConnectString"]);
Manager and Query Analyzer are also shared.
The System.Data.SqlClient class cannot automatically discover the port number of a
named instance of SQL Server listening on a port other than ... need to understand what a SQL Server or MSDE named instance is and how to
connect to one. The sample code contains a single event handler:
Connect Button.Click
Creates and opens a connection to ...
[ Team LiB ]
Recipe 1.7 Connecting to a Named Instance of SQL Server or Microsoft Data
Engine (MSDE)
Problem
You want to connect to a named instance of a SQL Server or Microsoft Data Engine...
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Tài liệu Connecting to a Text File pptx
Ngày tải lên :
24/12/2013, 05:15
... provider can read records from and insert records into a text file data
source. The Jet database engine can access other database file formats through Indexed
Sequential Access Method (ISAM) drivers ... data adapter to retrieve all rows from text file.
The MaxScanRows option indicates how many rows should be scanned to automatically
determine column type. A value of 0 indicates that all rows ... provider to access data in a text file.
The sample code creates an OleDbDataAdapter that uses the Jet OLE DB provider to
load the contents of the text file Categories.txt, shown in Example 1-13
,...
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Tài liệu Using a Single Stored Procedure to Update Multiple Changes to a SQL Server Database pdf
Ngày tải lên :
21/01/2014, 11:20
... TBL0811 with the changes made to the DataSet passed in
as an NText input parameter @data. The parameters @data and @datadeleted
contain an XML representation of a DataSet containing all updated and ... Single Stored Procedure to Update Multiple Changes to a SQL
Server Database
Problem
You need to update a SQL Server 2000 database with changes to multiple rows in a
DataSet by executing a single ... ds.GetChanges(
DataRowState.Added | DataRowState.Modified).WriteXml(sw,
XmlWriteMode.WriteSchema);
cmd.Parameters.Add("@data", SqlDbType.NText);
cmd.Parameters["@data"].Value...
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Development of a method to measure consumer emotions associated with foods
Ngày tải lên :
03/04/2013, 21:07
... techniques which are
appropriate for the academic laboratory research might not be
appropriate for commercial settings of consumer laboratories. Aca-
demic laboratory research typically uses student ... chocolate, vanilla ice cream, fried chicken and mashed
potatoes and gravy. Pizza and chocolate produced the strongest
emotions based on Analysis of Variance. The terms active, adven-
turous, affectionate, ... works
within the laboratory (CLT) and also internet testing. Thomson
(2008) has also argued that concepts such as satisfaction are more
appropriate than simple acceptance for commercial products, and
that...
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Tài liệu Connecting to an Oracle Database docx
Ngày tải lên :
24/12/2013, 05:15
... configuration file named TNSNAMES.ORA to locate the Oracle
database and determine how to connect to it based on the Data Source or
Database attribute in the connection string.
An example of an entry ...
Oracle Button.Click
Creates and opens a connection to an Oracle database using the Oracle .NET data
provider. Information about the database is displayed from the properties of the
OracleConnection ... to an Oracle database.
Solution
You can connect to an Oracle database using either the Oracle .NET data provider or the
OLE DB .NET data provider.
The sample code contains two event handlers:...
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Tài liệu Storing XML to a Database Field doc
Ngày tải lên :
24/12/2013, 05:15
... demonstrates how to store XML data in a text field of a database table and
subsequently read it into an XmlDocument using the LoadXml( ) method. Standard
database access techniques using a DataAdapter ...
private void sampleXmlButton_Click(object sender, System.EventArgs e)
{
DataSet ds = new DataSet( );
// Fill the Categories table and add it to the DataSet.
SqlDataAdapter da = new SqlDataAdapter("SELECT ... da.SelectCommand.Connection);
da.UpdateCommand.CommandType = CommandType.Text;
da.UpdateCommand.Parameters.Add("@Id", SqlDbType.Int, 0, "Id");
da.UpdateCommand.Parameters.Add("@XmlField",...
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Tài liệu Adding Tables to a Database pdf
Ngày tải lên :
21/01/2014, 11:20
... Command object to add a table to an existing SQL Server database.
The C# code is shown in Example 10-8
.
Example 10-8. File: AddTableToDatabaseForm.cs
// Namespaces, variables, and constants ... Team LiB ]
Recipe 10.8 Adding Tables to a Database
Problem
You need to add a table to an existing database.
Solution
Use the CREATE TABLE statement.
The sample code executes the DDL statement—using ...
String createSql = "CREATE TABLE MyTable " +
"(MyTableId int IDENTITY(1,1) PRIMARY KEY CLUSTERED)";
SqlCommand cmd = new SqlCommand(createSql, conn);
// Create the table...
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Tài liệu Create a Dialog Box to Connect to a New Database, Including Listing Available SQL Servers and Databases pdf
Ngày tải lên :
21/01/2014, 12:20
...
Label Name Label1
Text SQL Servers
ListBox Name lstSQLServers
Label Name Label2
7.1 Create a Dialog Box to Connect to a New Database, Including Listing
Available SQL Servers and Databases ... Server and database and then create a
new connection based on the selections.
Within a database application, it is necessary to allow users to select a SQL Server back
end to which to connect. ... sometimes need to connect to various databases. An example of this is a large
company that might keep its site information in separate databases in the same-or even
different-SQL Servers. Management...
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