Tài liệu Performing Batch Updates with a DataAdapter doc

... DataRow.RowUpdating event handler. [ Team LiB ] Recipe 9.13 Performing Batch Updates with a DataAdapter Problem When you use a DataAdapter to perform updates, it makes a separate round ... builds a batch SQL update string, which is executed using the ExecuteScalar( ) method after Update( ) is called. DataAdapter. RowUpdating Is called before each row is u...

Ngày tải lên: 14/12/2013, 18:16

... before and after data, as seen in Figure A. 6. Figure A. 6. Although they're not pretty, you can see the values of the OrderID and DeliveryDate before and after the routine has been executed. ... can also use the Insert and Delete statements to perform other bulk operations with the Command object. One of the last tasks that is useful to perform using ADO with SQL Server is to...

Ngày tải lên: 21/01/2014, 12:20

... SqlDataAdapter mySqlDataAdapter = new SqlDataAdapter(); mySqlDataAdapter.SelectCommand = mySqlCommand; DataSet myDataSet = new DataSet(); mySqlConnection.Open(); mySqlDataAdapter.Fill(myDataSet, "Customers"); ... "CustomerID"; DataViewRowState rowStateFilter = DataViewRowState.OriginalRows; // create a DataView object named customersDV DataView customersD...

Ngày tải lên: 14/12/2013, 13:15

... requested CustomerID into a Customer DataTable in the DataSet. A result queue is created if necessary and a message labeled with the CustomerID and containing the DataSet with the asynchronous query ... SqlDataAdapter da = new SqlDataAdapter(sqlText, ConfigurationSettings.AppSettings["Sql_ConnectString"]); // Fill the Customer table in the DataSet with customer dat...

Ngày tải lên: 14/12/2013, 18:16

... outage. A denial of service attack, for example, may cause the corporate servers to be down for a day or more. These are launched against companies like Yahoo and Goggle on a regular basis with a wave ... auction There are many more, such as radio and TV broadcasts to the desktop and a number of financial applications. A simple cost-benefit analysis of IP multicasting versus nor...

Ngày tải lên: 21/12/2013, 04:18

... hierarchy are specified may differ. In a file system, a path is specified as a list of directory names separated by backslashes (for example, C:\Documents\notes .doc) with the hierarchical location ... routers, applications, databases, and actual human users. Users need to determine the objects that they want to use, such as applications, printers, and servers. Administrators nee...

Ngày tải lên: 21/12/2013, 19:15

... Demonstrates advanced training or experience in analyzing numerical information. Valuable resource for doing fairly complex mathematical calculations. Experience with handling daily office activities ... situation. Doesn't translate creativity into practical solutions. Tends to think with a narrow view. Not comfortable with risk. Fear of mistakes prevents action. CA...

Ngày tải lên: 22/12/2013, 02:17

... DẦU MAC # 75 XÂY GẠCH TẠO BẬC BẢNG SÀN BTCT BẢNG SÀN BTCT LỚP V A TẠO MẶT ỐP ĐÁ GRANITE SƠN NƯƠC TRÁT MACTIS ỐP ĐÁ GRANITE LỚP HỒ DẦU MAC # 75 SÀN BTCT LỚP V A TAO MẶT SƠN NƯỚC TRÁT MASTIC TAY ... nhau, vẽ 1 mặt bằng đại diện chung cho các tầng đó. Bảng cân bằng đất đai SÂN THỂ THAO DIỆN TÍCH SÂN - BÃI DIỆN TÍCH CÂY XANH DIỆN TÍCH GIAO THÔNG NỘI BỘ NHÀ ĐỂ XE BẢNG CÂN BẰNG ĐẤT ĐAI 657,4...

Ngày tải lên: 23/12/2013, 02:17

... HTTP and specifying the URL of the Web Site you want to create rather than a file name. An application is created consisting of a Web Folder called App_Data, and a Web form called Default.aspx. ... between cascading style sheets and Themes. In particular, Themes do not cascade in the same way as cascading style sheets, and properties defined in a Theme applied to a control alwa...

Ngày tải lên: 24/12/2013, 09:16

... “def- initional” data or metadata. Metadata is the data about the data. Metadata is the definition of data objects such as tables along with their column names, sizes, and data types of those column names. ... Internet database Oracle Database 8 i was released. Oracle Database 8 i was specifically designed for database Internet access and performance. In addition, database kernel-ex...

Ngày tải lên: 24/12/2013, 12:17