users using a web form

Ngày tải lên: 26/01/2014, 11:20

Ngày tải lên: 26/01/2014, 11:20

... variables, and constants using System; using System.Threading; using System.Globalization; using System.Data; using System.Data.SqlClient; // This value would normally be retrieved from a ... The sample code-behind for the Web Forms page contains one event handler and a single method: Form. Load Creates the CultureInformation object based on the user's settings. RefreshData( ... user's culture. [ Team LiB ] [ Team LiB ] Recipe 3.5 Localizing Client-Side Data in a Web Forms Application Problem You need to format dates and currency values according to the culture...

Ngày tải lên: 28/10/2013, 18:15

... required tasks: 1. Create a web page that outputs a binary stream containing the image from the database. 2. Create a SQL statement to retrieve the required image from the database and retrieve ... display an image from a database column in an ASP.NET control. Solution Fill an ASP.NET Image control from a database field by pointing the ImageUrl property of an Image control to a web page ... the image using a DataReader. A DataTable or DataSet filled using a DataAdapter can also be used. 3. Set the ContentType property of the HttpResponse object to the MIME type of the image in...

Ngày tải lên: 28/10/2013, 18:15

... 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 ... 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 ... Note If your Web service is not deployed on the local computer, then replace localhost with the name of your remote computer. Your Web service will be located and a test page displayed (see Figure...

Ngày tải lên: 14/12/2013, 22:15

... . . . [WebMethod] public DataSet LoadOrders( ) { DataSet ds = new DataSet( ); SqlDataAdapter da; // Fill the Order table and add it to the DataSet. da = new SqlDataAdapter("SELECT ... ConfigurationSettings.AppSettings["DataConnectString"]); DataTable orderDetailTable = new DataTable(ORDERDETAILS_TABLE); da.FillSchema(orderDetailTable, SchemaType.Source); da.Fill(orderDetailTable); ds.Tables.Add(orderDetailTable); ... tables. UpdateOrders( ) Takes a DataSet argument containing the changes made to the DataSet created by the LoadOrders( ) method, creates two DataAdapter objects with CommandBuilder generated...

Ngày tải lên: 24/12/2013, 05:15

Ngày tải lên: 24/12/2013, 09:16

... . . . [WebMethod] public DataSet LoadOrders( ) { DataSet ds = new DataSet( ); SqlDataAdapter da; // Fill the Order table and add it to the DataSet. da = new SqlDataAdapter("SELECT ... ConfigurationSettings.AppSettings["DataConnectString"]); DataTable orderDetailTable = new DataTable(ORDERDETAILS_TABLE); da.FillSchema(orderDetailTable, SchemaType.Source); da.Fill(orderDetailTable); ds.Tables.Add(orderDetailTable); ... ConfigurationSettings.AppSettings["DataConnectString"]); DataTable orderTable = new DataTable(ORDERS_TABLE); da.FillSchema(orderTable, SchemaType.Source); da.Fill(orderTable); ds.Tables.Add(orderTable);...

Ngày tải lên: 21/01/2014, 11:20

... Northwind and a DataRelation between those tables. UpdateOrders( ) Takes a DataSet argument containing the changes made to the DataSet created by the LoadOrders( ) method, creates two DataAdapter ... . . . [WebMethod] public DataSet LoadOrders( ) { DataSet ds = new DataSet( ); SqlDataAdapter da; // Fill the Order table and add it to the DataSet. da = new SqlDataAdapter("SELECT ... ConfigurationSettings.AppSettings["DataConnectString"]); DataTable orderDetailTable = new DataTable(ORDERDETAILS_TABLE); da.FillSchema(orderDetailTable, SchemaType.Source); da.Fill(orderDetailTable); ds.Tables.Add(orderDetailTable);...

Ngày tải lên: 26/01/2014, 10:20

Ngày tải lên: 26/01/2014, 10:20

Ngày tải lên: 26/01/2014, 10:20

Ngày tải lên: 26/01/2014, 10:20

Ngày tải lên: 06/07/2014, 09:25

... ' Get the data and put it in the data table. odaLookupData.Fill(dtNew) ' Save the data table to a session variable so that ' you don't lose it on a trip back ... ListBox Name lstLookupTables AutoPostback True Label Name Label2 Text Lookup Table Data: DataGrid Name dgLookupData AllowPaging True PageSize 5 Label Name Label3 Text Errors: Another ... ' Take the txtSQLString text and create a data table. Then set the ' data source of the data grid. odaTableData = New OleDb.OleDbDataAdapter("Select * From " &...

Ngày tải lên: 07/11/2013, 15:15

... 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 ... data in a Windows Forms application. Solution Bind a DataView to Windows Forms controls. The sample code contains four event handlers: Form. Load Sets up the sample by filling a DataTable with ... Orders table from the Northwind sample database. A DataView is created from the table and bound to the data grid on the form. Allow Delete Button.Click Sets whether the DataView allows records...

Ngày tải lên: 14/12/2013, 18:16

... name-value pairs. These are stored in a small wrapper class called Param. Each pair holds one pair of the parameters. class Param // A class that stores a name-value pair of parameters. { private String ... data see Using Java to Manage a Database. This file is in the documents folder of my website at http://csis.pace.edu/~wolf/documents/. 15 Accessing a Database from a Web Page The database we will ... you can see, this class only echoes the data on the form. It could also save the data to a file or store it in a database. If the data contained prices and quantities it could calculate and return...

Ngày tải lên: 22/12/2013, 17:15

... Using the Data Form Wizard to Create a Windows Form In this section, you'll use the VS .NET Data Form Wizard to create a Windows application that accesses both the Customers and Orders ... select the database tables or views you want to use in your form. The area on the bottom left of the dialog box shows the tables and views you can access using your form. The area on the bottom ... a parent-child relationship between the Customers and Orders tables. The form you'll create will display a row from the Customers table, along with any related rows from the Orders table....

Ngày tải lên: 24/12/2013, 01:17

... display style for the rows (also known as records) in the parent table that are displayed in your form. You can display the rows in a grid, or you can display each column using a separate control. ... your form. To do this, select View ➣ Code, and add the following Main() method inside your MyDataForm class (a good place to add Main() would be at the start of your MyDataForm class after ... bracket {): public class MyDataForm : System.Windows.Forms .Form { public static void Main() { Application.Run(new MyDataForm()); } This code creates a new object of the MyDataForm...

Ngày tải lên: 24/12/2013, 01:17

... performs this task. Next, you will create a data adapter called odaCategories and load the categories SQL Statement into it. The dtCategories data table is filled and set as the DataSource property ... Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load 'Put user code to initialize the page here Dim odaCategories As OleDb.OleDbDataAdapter ... property of ddCategories. The DataTextField and DataValueField of ddCategories are then set. After that, the DataBind method of the DropDown is called. This is necessary for binding data to the server...

Ngày tải lên: 24/12/2013, 06:17

Ngày tải lên: 20/02/2014, 18:20