c# - union processed data from DataTables into new one and set the result to RDLC -


i want make datatable data multiple queries. show @ example: got table data:

datatable1 column id, a, b, c

and want create datatable2 can put column d new value="this table2 rows" first 10 rows column b equal value 5: 

datatable2 column id, a, b, c, d

then want create datatable3 column d value="this table3 rows" first 6 rows rows id not in datatable2

and on... want union datatable:

datatable2 column id, a,b,c,d union datatable3 column id, a,b,c,d union datatable4 column id, a,b,c,d

to datatable100 , present result in rdlc. create datatable use microsoft visual studio 2015 .xsd editor. how can achieve this?

in sql make this:

select top 10 id, a, b, c, d="table2 rows" ##temp1 datatable1 b=5; select top 6 id, a,b,c,d="table3 rows" ##temp2 datatable1 b=5 , id not in (select id ##temp1); select top 2 id, a,b,c,d="table4 rows" ##temp3 datatable1 b=2 , id not in (select id ##temp1) , id not in (select id ##temp2);

and on. don't know how in visual studio. can use temporary tables?


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