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Net: You are trying to use a reference variable who’s value is Nothing/null.When the value is Nothing/null for the reference variable, that means it is not actually holding a reference to an instance of any object that exists on the heap. Net, you are trying to access a string that has not been initialized. You can’t even compile code like the following in C# Remember, a string is a reference type (a character array) that has to have a value.This walkthrough provides a fundamental end-to-end LINQ to SQL scenario for adding, modifying, and deleting data in a database.
These workflows make business processes more efficient by managing and tracking the human tasks involved with a process and then providing a record of that process when it completes.To further customize the workflows, you can edit them directly in Share Point Designer 2010.With Share Point Designer, you can customize the workflow forms, task outcomes, completion conditions, and every stage of the task process.It’s a powerful way to model an approval workflow for any business process.In this article, we’ll take a look at the approval workflows that you can use as is or customize in Share Point Designer 2010.