Using Visual Basic NET Databases to Create Pricing Trading R 9 potx

... conditions that occur while a program is running and will prevent the program from crashing. SYNTAX ERRORS Syntax errors occur when our program code violates the rules of Visual Basic. NET, and they ... not always be clear exactly where they originate. In the worst-case scenario, a logic error can turn into a run-time error and crash our program. 152 Introduction to VB .NET Team-LRN {2...

Ngày tải lên: 20/06/2014, 23:20

... VB .NET Team-LRN RUN-TIME ERRORS Run-time errors are those that often cause our programs to terminate. Examples of logic errors that can turn into run-time errors are divide-by-zero exceptions and array ... multiplication for a 2-dimensional matrix by a vector dblVector ¼ Matrix.MMult2by1 ( AArray, BVector ) MultRegression() Multiple linear regression dblArray ¼ Matrix.MultRegression ( Aar...

Ngày tải lên: 20/06/2014, 23:20

... the price data for only the year 199 4, we could achieve this by using a comparison operator in the WHERE statement. Here is a list of SQL comparison operators: Comparison Operator Description , Contents ... of a number of criteria F I G U R E 13.1 Structured Query Language 223 Team-LRN Dim dblLength# = UBound(Returns, 1) For x = 0 To dblLength dblTotRet += Returns(x) Next x Return dblT...

Ngày tải lên: 20/06/2014, 23:20

... IDictionaryEnumerator: Public Properties Description Current Retrieves the current element in the dictionary Entry Returns both the key and the value of the current dictionary entry Key Returns the key of the current ... range from very clean to terribly dirty. F I G U R E 14.2 248 Database Programming Team-LRN Dim myDelta As Double = 0 While enumerator.MoveNext() enumerator.Value.StockPr...

Ngày tải lên: 20/06/2014, 23:20

... Try myRes = myReq.GetResponse myReader = New XmlTextReader(myRes.GetResponseStream()) Do While (myReader.Read()) If myReader.NodeType = XmlNodeType.Element Then strCurrentTag = myReader.Name End ... larger ones. For example, what if you were asked to create a large value-at-risk system to monitor several automated trading systems. A project of this magnitude is too big to immediatel...

Ngày tải lên: 20/06/2014, 23:20

... Ticker() Get Return strTicker End Get End Property Public ReadOnly Property Beta() Get Return dblBeta End Get End Property Public ReadOnly Property Price() Get Return dblPrice End Get End Property Public ... for terms of use. Team-LRN Greater than operator, 53 Greater than or equal operator, 53 GROUP BY clause (SQL), 2 29 230 > (entity reference), 308 GUI (see Graphical user interface)...

Ngày tải lên: 20/06/2014, 23:20

... that are big time-savers. DIFFERENT VERSIONS OF VISUAL BASIC There are different versions of Visual Basic. This book presents the latest version, Visual Basic. NET. If you are using Visual Basic ... front-end trading system connects to all markets around the world. So it may necessary to create proprietary software that connects to a multiplicity of front-end tradi...

Ngày tải lên: 23/04/2014, 16:19

... properties either at design time using the property sheet, or at runtime using code. Exporting Using the Report Document When you're exporting using the Report document, you will be using ... PrintOptions object, found on the ReportDocument, is very useful. The PrintOptions object has the following properties: PaperOrientation, PaperSize, PaperSource, PrinterDuplex, and Pr...

Ngày tải lên: 20/10/2013, 13:15

... function: Int(100 ∗ Rnd() + 1) Here’s another look at a program that uses the CArray class to store num- bers, using the random number generator to select the data to store in the array: Sub Main() Dim theArray ... GetEnumerator, which returns an enumerator. The enumerator we return must implement the methods of the IEnumerator interface, which pro- vides the necessary methods and pro...

Ngày tải lên: 17/04/2014, 09:15

... and mentored other interns learning Visual Basic .NET. 24 Introduction to Computers, Internet and Visual Basic .NET Chapter 1 Chapter 12—Graphical User Interface Concepts: Part 1 Chapter 12 explains ... to Computers, Internet and Visual Basic .NET Chapter 1 TERMINOLOGY action Internet “administrative” section of the computer interpreter Advanced Research Projects Agency (AR...

Ngày tải lên: 17/04/2014, 09:18