Tài liệu Reading Rows from a SqlDataReader Object docx

... Reading Rows from a SqlDataReader Object You read the rows from a DataReader object using the Read() method. This method returns the Boolean true value when there is another row to read, ... false. You can read an individual column value in a row from a DataReader by passing the name of the column in square brackets. For example, to read the CustomerID column,...

Ngày tải lên: 21/01/2014, 07:20

... mechanisms are used to implement packet leaking between a VRF and a global address space? Static routes n How is the leaking from a VRF into the global address space accomplished? By a static ... links? Frame-Relay ATM n What are the benefits of using a separate (sub)interface for Internet access? Internet traffic is (logically) separated from the VPN traffic n Which I...

Ngày tải lên: 11/12/2013, 14:15

... the address space between the central firewall and the customers. There is always a potential for overlapping addresses between the coordinated address space and the address space of an individual ... Each customer can use private address space if the CE routers provide address translation between private and coordinated address space Internet Internet Access VPN VPN Customer A CE -A1...

Ngày tải lên: 11/12/2013, 14:15

... no match is found) while FindRows( ) returns a DataRowView array of all matching rows (or an empty array if no match is found). The DataRow for a DataRowView can be accessed using the DataRow ... void DataViewSearchPerformanceForm_Load (object sender, System.EventArgs e) { // Fill the source table with schema and data. SqlDataAdapter da = new SqlDataAdapter("SELECT * FR...

Ngày tải lên: 14/12/2013, 18:16

... database. The following method, named AddDataRow(), uses these steps to add a new row to a DataTable: public static void AddDataRow( DataTable myDataTable, SqlDataAdapter mySqlDataAdapter, ... the DataAdapter object. Adding a DataRow to a DataTable In this section, you'll learn how to add a DataRow to a DataTable. Before you see this, let's populate a DataS...

Ngày tải lên: 24/12/2013, 01:17

... Update(DataRow[] myDataRows) int Update(DataSet myDataSet) int Update(DataTable myDataTable) int Update(DataRow[] myDataRows, DataTableMapping myDataTableMapping) int Update(DataSet myDataSet, ... Calling myDataTable.NewRow() myNewDataRow.RowState = Detached Calling myDataTable .Rows. Add() myNewDataRow.RowState = Added Calling mySqlDataAdapter.Update() numOfRows = 1 myNewDataRow.R...

Ngày tải lên: 24/12/2013, 01:17

... distributors can make a company, and disloyal ones can break a company. Where is knowledge and intellectual capital value? Patents, copyrights, trade- marks, and licenses can be one of the company’s major ... physical property can be a liability. All a company needs is access to physical assets. To operate as a lean company may call for decapitaliz- ing—outsourcing activities and sh...

Ngày tải lên: 25/12/2013, 05:18

... [ Team LiB ] Recipe 2.17 Displaying Columns from a Related DataTable Problem You want to add a column to a DataTable that displays a value from a row in a related table in the DataSet. ... values Max Largest value Min Smallest value StDev Statistical standard deviation of all values Sum Sum of all values Var Statistical variance of all values The sample code create...

Ngày tải lên: 21/01/2014, 11:20

... Gann Angles, Gann Fans, Gann Grids and Cardinal Squares. Example A Gann Fan displays lines at each of the angles that Gann identified. The following chart shows a Gann Fan on the S&P ... length, you can use it as a parameter for other indicators. For example, if you know that a security has a 35-day cycle, you may want to plot a 35-day moving average or a 35-day RSI on...

Ngày tải lên: 23/01/2014, 00:20

... moving average). Variable A variable moving average is an exponential moving average that automatically adjusts the smoothing percentage based on the volatility of the data series. The more volatile ... 21 (e.g., a 200-day moving average is very similar to a 9-month moving average, because there are approximately 21 trading days in a month). Moving averages can also be calculated a...

Ngày tải lên: 23/01/2014, 07:20