Sesame questions

• Convert DateTime to string with format YYYYMMDD
• Loop through controls in TabControl
• Find number of weekdays/weekends in a given date range
• Winforms Entity Framework
• Load data from denormalized file into a normalized table
• Get count of records in datatable by groupings
• Find specific pattern in string using C#
• Open file read-only
• Round-robin assignment
• If field is null, pull certain fields; otherwise, pull other fields

Sesame answers