when duplicate is measured on all columns:
- Remove Duplicate Rows Acitivtiy
- LINQ
[HowTo] - Find Duplicate / NonDuplicate rows - checking all columns - without explicit listing the colnames/index
When duplicated is measured on a column Set:
- LINQ SequenceEqual with a columnset
- LINQ GroupBy with more cols
Group d by k1=d(“COLA”).toString.Trim, k2= d(“COLB”).toString.Trim into grp=Group
*And also the DefaultView / Filter DataTable Approach
ColSet / single Col
- LINQ
- DefaultView / Filter DataTable Approach
[HowTo] Overview on different options for grouping data and processing the groups