Ho to add Dyanmiclly Row data in Particular Cell in C#

hi

How to add Data To  Column1 for  5 rows dynamically .Binding list data to data table and add  Values Dynamically column1 for 5 rows and each row of values passing list level and get the data and bind to Column2 and column3 and column4

EX:

Column1   Column2     Column 3         Column4

Test1        ID  's        Created By     Modified Date

Test2        ID's             Created By     Modified Date

Test3       ID's             Created By     Modified Date

here we want add Test1 ,2,3 Dynamically  and pass test1 and get related Id and Created By and Modified By data and bind to 1 st Row, same thing  test2 and test3 also..