Google Multi-Series Line Chart example with database in ASP.Net using C# and VB.Net

Here Mudassar Ahmed Khan has explained with an example, how to create Multi-Series Line Chart with database using Google Charts API in ASP.Net using C# and VB.Net. The Multi-Series Line Chart will be populated with database data with the help of jQuery AJAX and WebMethod in ASP.Net using C# and VB.Net. The Multi-Series Line Chart is different from Line Chart as compared to Line Chart which simply displays only one line, the Multi-Series Line Chart displays multiple lines representing the statistical information.