Tài liệu Using a finally Block pdf
Tài liệu Using a finally Block pdf
... ensures that the reader.Close statement
always executes. You'll see another way to solve this problem in Chapter 13, Using
Garbage Collection and Resource Management.”
•
If you want to ... = reader.ReadLine()) != null)
{
source.Text += line + "\n";
}
}
finally
{
if (reader != null)
{
reader.Close();
}
}
Even if an exception is thrown, the finally blo...
Tài liệu Using a DataView to Control Edits, Deletions, or Additions in Windows Forms pdf
... the data in the control. Binding a DataGrid to a DataTable binds to the default view of the
underlying DataTable.
The DataView class represents a view of the DataTable that can be data bound ... whether deletes are allowed
AllowEdit Gets or sets a Boolean value indicating whether edits are allowed
AllowNew Gets or sets a Boolean value indicating whether new rows can be added
If...
Tài liệu Using a Single Stored Procedure to Update Multiple Changes to a SQL Server Database pdf
... 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 added
records and all deleted ... Load the schema and data for the table.
da.FillSchema(ds, SchemaType.Source, TABLENAME);
da.Fill(ds, TABLENAME);
// Columns in XML representation of data as attributes
foreach(DataC...
Tài liệu Using a Web Service as a Data Source pdf
... orderDetailTable = new DataTable(ORDERDETAILS_TABLE);
da.FillSchema(orderDetailTable, SchemaType.Source);
da.Fill(orderDetailTable);
ds.Tables.Add(orderDetailTable);
// Create a relation ... OrderDetails table and add it to the DataSet.
da = new SqlDataAdapter("SELECT * FROM [Order Details]",
ConfigurationSettings.AppSettings["DataConnectString"]);
DataTa...
Tài liệu Planning a special Event pdf
... on a specific
topic. A special event can be a party, an
information fair, a carwash for charity, a child
safety day, a race, a street fair, or a community
picnic. The only limit is your imagination!
What ... postprom party
provides an alternative. A walk -a- thon
to benefit a local charity similarly
heightens awareness while raising
funds for a deserving organization,
pr...
Tài liệu Using a SqlConnection Object to Connect to a SQL Server Database phần 2 doc
... System;
using System.Data;
using System.Data.SqlClient;
class StateChange
{
// define the StateChangeHandler() method to handle the
// StateChange event
public static void StateChangeHandler( ... StateChange event using the StateChangeHandler() method
mySqlConnection.StateChange +=
new StateChangeEventHandler(StateChangeHandler);
// open mySqlConnection, causing the St...
Tài liệu Components: A Scripting Primer pdf
... of interactivity in the
creation of a URL manager, which is used as a mini-database for Web, FTP, and email
addresses. The result will be a highly interactive application, requiring relatively ... instance to react to a specific event
•
Retrieve data from a component instance
•
Change the appearance of a component instance
In the exercises in this lesson, you'll implem...
Tài liệu Using a Web Service doc
...
Using a Web Service
In this section, you'll see how to use a Web service in a Windows application.
Start VS .NET and select File ➣ New ➣ Project. Create a new Windows application
named ... UseWebServiceInWindows. Drag a DataGrid, TextBox, and Button control to
your form. Set the Name property of your DataGrid to customersDataGrid. Set the Name
property of your TextBox to...
Tài liệu Creating a Generic Method pdf
... BuildTree<char>('Z', 'X', &apos ;A& apos;, 'M', 'Z', 'M', 'N');
charTree.WalkTree();
3. On the Build menu, click Build Solution. Verify that ... Program class. This should be a
static method that takes a params array of T elements called data, and returns a
Tree<T> object.
The method definition should look like...
Tài liệu Design a impressive Album pdf
... in such case
you will create a dynamic tension, which adds variety to the album (and general appeal).
But don't make it too dramatic and don't make too many unbalanced pages – it ...
Another issue with the balance is the balance between occupied and empty space. As my
father said “the page should have some air to breathe”. Leave space around the
photographs in such a way .....