Objective: In this article, I am going to create folder inside a SharePoint list using the SharePoint object model or in other words using .Net code. Requirement: Take an example of the requirement: We need to insert the log entry of every step of execution for a particular batch job in the SharePoint list on daily basis. If we start inserting an item for every step of execution in the root level, it will bring down the performance of data retrieval and also identification of log entry for a particular date would not be easy task. According to Microsoft, for optimum performance insert only 2,000 items in the root level and create nesting folders to improve performance. Resolution: To improve the performance and easy identification of day to day log entry, we will create folder structure in the custom list to store log entry. The screen shot below shows the folder structure inside the list. The below screen shot shows the columns in the custom list. In this list we have created two cust...