Binding a Windows DataGrid to Master-Detail Data

... Team LiB ] Recipe 7.12 Binding a Windows DataGrid to Master-Detail Data Problem You need to bind both a parent table and child table within a DataSet to a DataGrid so that the child data ... the DataSource property or SetBindingMethod( ) at runtime. Valid data sources for the DataGrid include DataTable, DataSet, DataView, and DataViewManager objects....

Ngày tải lên: 24/10/2013, 11:15

... used to add the custom column styles to the DataGrid. The MappingName property of the DataGridTableStyle is set to the DataSource. The MappingName of each DataGridColumnStyle object must be associated ... Use the DataGridTableStyle class. The sample code contains two event handlers: Form.Load Sets up the sample by creating a DataAdapter and using it to fill a DataTable wit...

Ngày tải lên: 20/10/2013, 12:15

... Setting Label Name Label1 Text Lookup Table to Edit Label Name Label2 Text Lookup Table Data ListBox Name lstLookupTables DataGrid Name dgTableData Button Name btnUpdate 2. Add data to the ... hassles trying to track the data table directly. dtFromGrid = CType(dgTableData.DataSource, DataTable) ' Commands necessary to actually post back to server. mod...

Ngày tải lên: 14/12/2013, 20:16

... 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 tables. ... the Data Form Wizard to create a form that accesses the Customers and Orders tables in the Northwind database: 1. Select Project ➣ Add New Item. 2. Select Data Form Wizar...

Ngày tải lên: 24/12/2013, 01:17

... o Cancel All The Cancel All button allows you to undo any changes you've made to the current row. o Add The Add button allows you to add a new row. o Delete The Delete button allows ... 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 the open curled bracket {): pub...

Ngày tải lên: 24/12/2013, 01:17

... ds; private SqlDataAdapter da; private BindingManagerBase bm; // . . . private void DisplayDatabaseImageForm_Load(object sender, System.EventArgs e) { // Create the DataSet. ds ... that are bound to the same data source so that they display information from the object within the data source, such as a row in a DataTable. The BindingContext class is used to inst...

Ngày tải lên: 28/10/2013, 18:15

... ADO.NET automatically stores database connections in a pool. Connection pooling offers a great performance improvement because you don't have to wait for a brand new connection to the database ... using Windows integrated security, you can pass your username and password to SQL Server and use those credentials to connect to the database. This saves you from providin...

Ngày tải lên: 07/11/2013, 10:15

... database and to update changes made back to the database. The DataAdapter is used to fill a DataTable in a new DataSet with the schema and data from TBL0709. The text boxes displaying the data ... While a RadioButton control can be set to simple-bind to data, there is no way to bind a group of RadioButton controls to a data source. Binding a single radi...

Ngày tải lên: 07/11/2013, 13:15

... InfoMessage event fires when the database returns a warning or information message produced by the database. You use the InfoMessage event to monitor these messages. To get the message, you read ... SqlConnection("server=localhost;database=Northwind;uid=sa;pwd=sa"); // monitor the StateChange event using the StateChangeHandler() method mySqlConnection.StateChange +=...

Ngày tải lên: 14/12/2013, 13:15