Tài liệu Retrieve Unique Records Using Only a Select Query docx

... rbDistinct. After the SQL string is created, it is assigned to lblSQLString to display the string, and then it is used in a data adapter to fill a dataset. Last, the SQL string is assigned as the data ... database name passed to it and creates a connection string. Listing 6.1 modGeneralRoutines.vb: Creating a Connection String Function BuildCnnStr(ByVal strServer As String, _ ByV...

Ngày tải lên: 26/01/2014, 11:20

... CommandBehavior.SequentialAccess are available that make the DataReader convenient to use. Most notable is CommandBehavior.SchemaOnly, which returns information only about the columns, and ... developer who knows better than that. You heard that the DataReader object is a fast way to get data. How do you retrieve data using the DataReader object to perform this task? Technique...

Ngày tải lên: 14/12/2013, 20:16

... actual database; the phone numbers and emails have been changed.) The state is divided into several areas or associations; for example, SCVWA—the Santa Clara Valley Wrestling Association. Each association ... Essentials Case Study - Creating Pie Charts  A table cell can contain multiple paragraphs; we concatenate them into one long string with blanks between each paragraph. We start th...

Ngày tải lên: 21/01/2014, 06:20

... a big gap up with stochastics at the bottom makes for a big profit trade The Morning Star signal is an obvious visual reversal signal. A more potent signal is the Abandoned Baby signal. ... using candlestick formations, it was clearly obvious that after an extended downtrend, the fear and panic would start to exaggerate. The daily trading range would expand as more investors...

Ngày tải lên: 24/01/2014, 06:20