updating data asynchronously using message queuing

... 4.13 Updating Data Asynchronously Using Message Queuing Problem You need to asynchronously update data on a database on system that is not always connected. Solution You must use message queuing ... Refresh the DataSet underlying the DataGrid. ds = (DataSet)msg.Body; dataGrid.DataSource = ds.Tables[CUSTOMERS_TABLE].DefaultView; MessageBox.Show("Retrieved and loaded refreshed data. ", ... TimeSpan(0,0,1)); } catch(MessageQueueException ex) { MessageBox.Show("ERROR: " + ex .Message, "MessageQueue Receive", MessageBoxButtons.OK, MessageBoxIcon.Error); return;...

Ngày tải lên: 20/10/2013, 12:15

... variables, and constants using System; using System.Configuration; using System.IO; using System.Text; using System.Messaging; using System .Data; using System .Data. SqlClient; private ... customer DataSet to the queue. mq.Send(ds, customerId); [ Team LiB ] Recipe 2.22 Querying Data Asynchronously with Message Queuing Problem You want to asynchronously retrieve data from ... 0, 1)); } catch(MessageQueueException ex) { resultTextBox.Text = ex .Message; return; } // Create the customer DataSet from the message body. DataSet ds = (DataSet)msg.Body; ...

Ngày tải lên: 14/12/2013, 18:16

... Exchange 2000 Data by Using ADO 2.5 1 Overview ! Examining the Universal Data Access Strategy ! Using ADO 2.5 to Access Exchange 2000 Data ! Building URLs to Access Resources ! Using SQL Queries ... Exchange 2000 Data by Using ADO 2.5 Exercise 1 Querying Exchange 2000 Data by Using ADO In this exercise, you will use Visual InterDev to modify ASP pages and view the results by using Internet ... Module 3: Accessing Exchange 2000 Data by Using ADO 2.5 Examining the Universal Data Access Strategy Application Browser OLE DB Relational Data Relational Data SQL Server SQL Server Oracle Oracle Jet Jet Other Other FoxPro FoxPro Hierarchical...

Ngày tải lên: 11/12/2013, 14:15

... 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 How-To, you will be using the ListBox ... rows that the DataReader object returns. After you have the DataReader populated and you are iterating through the rows, you will load the data into the ListBox control. You will be using the ... How-To, you will be using the ListBox control and 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...

Ngày tải lên: 14/12/2013, 20:16

... empty. Updating a Database Using a DataSet In the exercises so far in this chapter, you have seen how to fetch data from a database. Now it's time to show you how to update data. First, ... by Using a DataSet The changes made by using the DataGridView control are automatically copied back to the DataSet acting as the data source for the control. Saving changes made to the data ... disconnected DataSet as it doesn't maintain an active connection to the database. Disconnected DataSet objects act as a data cache in applications. You can modify the data in the DataSet,...

Ngày tải lên: 15/12/2013, 00:15

Ngày tải lên: 21/12/2013, 19:15

... { dataGrid.DataSource = CreateDataSource( ); dataGrid.DataKeyField = "Id"; dataGrid.DataBind( ); } private DataTable CreateDataSource( ) { DataTable dt = new DataTable(TABLENAME); ... DataView dv = ((DataTable)Session["DataSource"]).DefaultView; // Bind the data view to the data grid. dataGrid.DataSource = dv; dataGrid.DataBind( ); } private void dataGrid_CancelCommand(object ... System.Web.UI.WebControls.DataGridCommandEventArgs e) [ Team LiB ] Recipe 7.5 Editing and Updating Data in a Web Forms DataGrid Problem You need to edit complex data using a DataGrid control and update the database...

Ngày tải lên: 26/01/2014, 10:20

Ngày tải lên: 19/03/2014, 14:09

Ngày tải lên: 30/03/2014, 04:21

Ngày tải lên: 30/03/2014, 21:20

Ngày tải lên: 05/05/2014, 13:17

Ngày tải lên: 05/05/2014, 16:24

Ngày tải lên: 05/05/2014, 16:46

Ngày tải lên: 12/05/2014, 11:55

... constants using System; using System.Windows.Forms; using System.Runtime.Remoting; using System.Runtime.Remoting.Channels; using System.Runtime.Remoting.Channels.Tcp; using System .Data; using ... "OrderID"; public DataSet LoadOrders( ) { DataSet ds = new DataSet( ); SqlDataAdapter da; // Fill the Order table and add it to the DataSet. da = new SqlDataAdapter("SELECT ... variables, and constants using System; using System.Configuration; using System.Windows.Forms; using System.Runtime.Remoting; using System.Runtime.Remoting.Channels; using System.Runtime.Remoting.Channels.Tcp;...

Ngày tải lên: 17/10/2013, 20:15

... 4.11 Updating Server Data Using a Web Service Problem You want to update a data source using an XML web service and use the web service from your client application. Solution Use a DataSet ... constants using System; using System.ComponentModel; using System.Web.Services; using System.Configuration; using System .Data; using System .Data. SqlClient; public const String ORDERS_TABLE ... [WebMethod] public DataSet LoadOrders( ) { DataSet ds = new DataSet( ); SqlDataAdapter da; // Fill the Order table and add it to the DataSet. da = new SqlDataAdapter("SELECT...

Ngày tải lên: 24/12/2013, 05:15

... Namespaces, variables, and constants using System; using System.ComponentModel; using System.Web.Services; using System.Configuration; using System .Data; using System .Data. SqlClient; public const ... [WebMethod] public DataSet LoadOrders( ) { DataSet ds = new DataSet( ); SqlDataAdapter da; // Fill the Order table and add it to the DataSet. da = new SqlDataAdapter("SELECT ... 4.11 Updating Server Data Using a Web Service Problem You want to update a data source using an XML web service and use the web service from your client application. Solution Use a DataSet...

Ngày tải lên: 26/01/2014, 10:20

Ngày tải lên: 20/02/2014, 09:20

Ngày tải lên: 05/09/2013, 15:28