sort rows in a datatable vb net
Tài liệu Finding, Filtering, and Sorting Rows in a DataTable ppt
Ngày tải lên :
14/12/2013, 13:15
... orderDetailsDataTable .Rows. Find(orderDetails);
Filtering and Sorting DataRow Objects in a DataTable
To filter and sort the DataRow objects in a DataTable, you use the Select() method of
your DataTable. ... DESC",
DataViewRowState.OriginalRows);
foreach (DataRow myDataRow in productDataRows)
{
foreach (DataColumn myDataColumn in productsDataTable.Columns)
{
Console.WriteLine(myDataColumn ... Order Details DataTable
// to the OrderID and ProductID columns
DataTable orderDetailsDataTable = myDataSet.Tables["Order Details"];
orderDetailsDataTable.Constraints.Add(
"Primary...
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Tài liệu Accessing Deleted Rows in a DataTable pptx
Ngày tải lên :
14/12/2013, 18:16
... the DataTable, use an overload of the Select( ) method of
the DataTable to return an array of deleted DataRow objects. The overload accepts an
argument having a DataViewRowState enumeration value. ... Deleted rows from the DataTable, use an overload of the Select( ) method of
the DataTable to return an array of deleted DataRow objects. The overload accepts an
argument having a DataViewRowState ...
called.
Unchanged
The data in the row has not been changed since it was loaded or since
AcceptChanges( ) was last called.
When AcceptChanges( ) is called on the DataSet, DataTable, or DataRow,...
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Tài liệu Selecting the Top n Rows in a DataTable doc
Ngày tải lên :
14/12/2013, 18:16
... field in descending order; this places
[ Team LiB ]
Recipe 3.10 Selecting the Top n Rows in a DataTable
Problem
You want to create a grid that shows the t op five rows in a DataTable, based ...
values in one of the columns.
Solution
Use an appropriate sort order with a DataView filter.
The sample code contains two event handlers:
Form.Load
Sets up the sample by creating a DataTable ...
using System;
using System.Configuration;
using System.Windows.Forms;
using System.Text;
using System.Data;
using System.Data.SqlClient;
private DataView dv;
// Table name constants...
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Tài liệu Modifying Rows in a DataTable phần 1 ppt
Ngày tải lên :
24/12/2013, 01:17
... the DataAdapter object.
Adding a DataRow to a DataTable
In this section, you'll learn how to add a DataRow to a DataTable. Before you see this,
let's populate a DataSet with the rows ... DataAdapter to push the new row to the
database.
The following method, named AddDataRow(), uses these steps to add a new row to a
DataTable:
public static void AddDataRow(
DataTable myDataTable, ...
myInsertCommand:
mySqlDataAdapter.InsertCommand = myInsertCommand;
Setting the UpdateCommand Property of a DataAdapter
The following example creates a SqlCommand object named myUpdateCommand...
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Tài liệu Modifying Rows in a DataTable phần 2 docx
Ngày tải lên :
24/12/2013, 01:17
... overloaded as follows:
int Update(DataRow[] myDataRows)
int Update(DataSet myDataSet)
int Update (DataTable myDataTable)
int Update(DataRow[] myDataRows, DataTableMapping myDataTableMapping)
int ...
CompanyName and Address are changed, and then to Unchanged after
mySqlDataAdapter.Update() is called.
where dataTableName is a string containing the name of the DataTable to update. The int
returned ... static void DisplayDataRow(
DataRow myDataRow,
DataTable myDataTable)
{
Console.WriteLine("\nIn DisplayDataRow()");
foreach (DataColumn myDataColumn in myDataTable.Columns)
...
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Module 8: Implementing Security in a Windows 2000 Network
Ngày tải lên :
22/10/2013, 16:15
... 2000 can audit and explain what the event indicates.
Explain how to plan an audit strategy and determine which events to audit.
Illustrate how to set up an Audit policy. Explain how to audit access ... Configuration and Analysis, set a working database, and then
import security templates into the database.
2. To begin the analysis, right-click Security Configuration and Analysis,
and then click Analyze ... Lead and Instructional Designer: Mark Johnson
Instructional Designers : Aneetinder Chowdhry (NIIT Inc.), Kathryn Yusi
(Independent Contractor)
Lead Program Manager: Ryan Calafato
Program Manager:...
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Tài liệu Finding Rows in a DataView doc
Ngày tải lên :
14/12/2013, 18:16
... DataRowView array of all matching rows
(or an empty array if no match is found). The DataRow for a DataRowView can be
accessed using the DataRow property of the DataRowView.
Before either method can ... and FindRows( ) methods take a single input argument. This is an object
value if the DataView is sorted on a single column or an array of objects containing
values for all of the columns defined ... DataView search for rows in a DataView
using its sort key values. The search values must match the sort key values exactly to
return a result; wild card matches are not possible.
The primary...
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Tài liệu VB .NET Language in a Nutshell pdf
Ngày tải lên :
09/12/2013, 17:15
...
offered a graphical interface that was suitable for Windows applications, VB .NET and Visual
Studio .NET aim at providing a graphical interface that is suitable for developing web applications and ... taking full advantage of the Internet as an application-development platform, as well as for
developing Windows applications and components.
1.2 What Is VB .NET?
VB .NET is a programming language ... type Integer. (In VB 6, the variables i and j would have type Variant,
which is VB 6's default data type.)
VB .NET permits the initialization of variables in the same line as their declaration...
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Estimation of Proper Strain Rate in the CRSC Test Using a Artificial Neural Networks
Ngày tải lên :
22/03/2013, 15:01
... data collection phase involved gathering the data for use in
training and testing the neural network. A large training data reduces
the risk of under-sampling the nonlinear function, but increases ... the field data. In
particular, these differences are increase at the high strain rate range.
The reason is that ANN model has not a lot of database on the high
strain rate. To eliminate this ... research
The main factors on the preconsolidation pressure ratio are liquid index
and strain rate from various parametric studies
The ranges of strain rates obtained from ANN model were...
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Tài liệu Chapter 1 - Living in a Network Centric World CCNA Exploration 4.0 pptx
Ngày tải lên :
12/12/2013, 14:15
...
in a safe and productive manner.
• Online courseware and delivery offer many benefits to businesses such as:
– Current and accurate training materials.
– Availability of training to a wide audience.
– ... using network or Internet resources are often called online
learning experiences, or e-learning.
• Online courses can contain voice, data, and video, and are available to the
students at any ... existence and broad adoption of the Internet has ushered in new forms of
communication that empower individuals to create information that can be
accessed by a global audience such as:
– Instant...
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Tài liệu Hướng dẫn lập trình VB.NET Chương 18: Làm việc với máy in pdf
Ngày tải lên :
22/12/2013, 20:17
... dành cho việc in ấn, khai báo đặt ngay sau khai báo lớp form1:
Private PrintPageSetting As New PageSettings()
Private StringToPrint As String
Private PrintFont As New Font("Arial", 10)
Các ... System.Drawing.Printing
Module ModulePrinting
Public Sub PrintGraphic(ByVal sender As Object, _
ByVal ev As PrintPageEventArgs)
'V
ẽ ảnh đồ h a bằng DrawImage
ev.Graphics.DrawImage _
(Image.FromFile(Form1.TextBox1.Text), ... sẵn c a PrintDocument1. Thủ tục này có nội dung như sau:
Dim sokytu, sodong As Integer
Dim chuoiin As String
Dim chuoidinhdang As New StringFormat()
'Định ngh a vùng có thể in ra d a trên...
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