score:1

Accepted answer
    string expression;
    expression = "namecolumn = 'john'";
    datarow[] foundrows;

    // use the select method to find all rows matching the filter.
    foundrows = table.select(expression);

    // print column 0 of each returned row.
    for(int i = 0; i < foundrows.length; i ++) {
        // list out the retreived values.
        console.writeline(foundrows[i]["valuecolumn"]);
    }

score:1

var valuename = string.empty;
var query =
    from r in dt.asenumerable()
    where r.field<string>("value").equals(valuename)
    select r.field<string>("assignedvalue");

valuename = "count";
var count = 0;
int.tryparse(query.firstordefault(), out count);

valuename = "channels";
var channels = 0;
int.tryparse(query.firstordefault(), out channels);

valuename = "name";
var name = query.firstordefault();

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