Tài liệu Controlling the Names Used in a Strongly Typed DataSet pdf

... name Annotation DataTable TableNameDataTable typedPluralDataTable methods NewTableNameRowAddTableNameRowDeleteTableNameRow typedNameDataRowCollection TableName typedPluralDataRow TableNameRow ... typed DataSet and the default names and available annotations for each. Table 2-18. Default values and available annotations for elements of strongly typed DataSet objects Element Default name ... used. In either case, data is loaded into the DataSet and the collections of rows and columns in the DataSet are iterated over to display the data and to demonstrate the effect of the schema annotations....

... contained within the OleDbDataAdapter control will query against to limit the data displayed in the list box. A command button will be added to allow you to call the Fill method of the OleDbDataAdapter ... parameter of the OleDBDataAdapter1, which was created by using the ? in the Select statement of 1.2 Limit the Data Displayed in a Bound List Box Even populating a list box with a couple of ... your form and start a new one as described at the beginning of the steps for this one, you have the instructions there. Otherwise, by the time you reach How-To 1.8, you will have a data entry...

... Typed DataSet Problem When a column in a database has a null value, you want the value in the DataSet to be a string indicating that no value is available. Solution Use annotations in the ... </xs:schema> The sample code creates a strongly typed DataSet based on the Categories table in Northwind. The user specifies whether the one based on the default or annotated schema file is used. ... is used. In either case, data is loaded into the DataSet. A row is added to the Categories table with a Description value of null. The data in the table is written to the text box on the form...

... with the TBL0705 table and stores the DataTable to a Session variable to cache the data source for the DataGrid. UpdateDataSource( ) This method creates a DataAdapter and uses it with updating ... Session["DataSource"] = dt; return dt; } private DataTable UpdateDataSource(DataTable dt) { // Create a DataAdapter for the update. SqlDataAdapter da = new SqlDataAdapter("SELECT ... if(!Page.IsPostBack) { dataGrid.DataSource = CreateDataSource( ); dataGrid.DataKeyField = "Id"; dataGrid.DataBind( ); } private DataTable CreateDataSource( ) { DataTable dt = new DataTable(TABLENAME);...

... Put the Finishing Touches on a Data Bound Form Besides handling the basics, you need to add some finishing touches to a data entry form, such as enabling/disabling controls based on whether ... • Add code to the Closing event of the form that tests whether you have made changes to the current record, and if so, whether you want to save the changes. You can see an example of particular ... 1. Start by modifying two routines already created: RefreshIndividual and ActivateEditing subroutines. Then check whether a customer has been selected in lstCustomers. If not, then the two...

... typed DataSet class contains, in addition to a single class extending the DataSet class, three classes for each table in the DataSet extending each of the DataTable, DataRow, and DataRowChangeEvent ... typed DataSet. codeNamespace The target namespace for the typed DataSet. codeGenerator A class capable of dynamically rendering source code in a specific language and used to create the typed ... static void Generate (DataSet dataSet, CodeNamespace codeNamespace, ICodeGenerator codeGenerator); The arguments of the method are: DataSet The DataSet used to specify the schema for the typed...

... carrying out either the fast-forwarding or rewinding of the messages_mc timeline is accomplished via an onEnterFrame that gets attached to the messages_mc instance. With that in mind, let's ... a gotoAndPlay() action allows you to control the direction as well as the pace in which the timeline moves. In the following example, the playhead on the main timeline advances 10 frames from ... when the messages_mc timeline is fast-forwarded or rewound. The remaining lines of the script are the beginnings of the handleMessages() function. This function accepts a single parameter named...

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... refrain that gets the tempo going, a little flicker of time. The murmuring rises and falls like dancing flames, llke lapping waters appearing, disappearing. Appearing, disappearing - yes, the ... can't be an argument between two people if one speaks a language the other can't ~nderstand.'~ No matter what their argument, the interlocutors are in no way opposed (as in the ... traditional concept of the dialectic); on the contrary, they play on the same side and together battle against a mutual enemy. And what is the enemy? The noise of the world that hums in the...

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