ASP.NET Web Services

Introduction to ASP.NET Web Services

What are Web services?
Web services provide some service or functionality over HTTP. Web service allow applications to inter-operate over networks. These services are exposed through endpoints.

ASP.NET Web Services use the following four main technologies:

HTTP (Hyper Text Transfer Protocol) -
XML (Extensible Markup Language) -
SOAP (Simple Object Access Protocol) - Message protocol built on top of XML
WSDL (Web Service Description Language) - Built on top of XML, WSDL is used to tell the world how to consume the web service. WSDL of a web service provides information that enables application to access service, know what methods are exposed and what parameters are required to invoke the method. Clients can create proxy class using information in WSDL.

Creating a super simple ASP.NET Web Service

Open Visual Studio > File > New > Project > Select ASP.NET Web Forms Application under Visual C# > Web Templates.
Click OK to accept the defaults
Right click on the project and select Add > New Item > select Web Service > Click Add.
Click on WebService1.asmx in solution explorer and look at the code.
Right click on WebService1.asmx and select View in Browser

Comments

CUMIPMT and CUMPRINC function

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Excel PMT Function

PMT function is very useful for calculating monthly payment required to payback a loan or mortgage at a fixed rate. This function require a minimum of three inputs, periodic rate, number of periods, present value or the loan amount. Here is a simple example. Home Loan: 350,000.00 Interest rate: 4.5% Number of years to repay the loan: 25 Note: To calculate monthly payment, we need to find the monthly rate and number of months as shown above. Then it is simply a matter of substituting the values into the payment function, as shown in the formula view below.

BCG's Brand Advocacy Index

The Boston Consulting Group's (BCG) Brand Advocacy Index (BAI) is a metric developed to help companies measure the degree of customer advocacy for their brands. BAI focuses on the likelihood of customers to recommend a brand to others, which is a powerful indicator of brand strength and customer loyalty. Unlike other customer satisfaction or loyalty metrics, BAI emphasizes the importance of customer referrals and word-of-mouth marketing. BAI is calculated based on a survey where customers are asked about their willingness to recommend a brand to their friends, family, or colleagues. The responses are then used to compute a score, which ranges from -100 to 100. A higher BAI score indicates that a brand has more advocates who are likely to recommend the brand to others, while a lower score suggests that the brand has fewer advocates or even a higher number of detractors. BCG's research has shown that companies with higher BAI scores tend to experience higher growth rates and bett

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