c# - Aggregate/Sum Uppercase Case Sensitive Issue -


i have following code use aggregate , sums. problem have source data populates account# column upper , lower case.

i need aggregate/sum regardless of case.

i have tried case insensitive dont seem have got work.

i thinking maybe need clone account# column , make uppercase use clone, unsure how make column uppercase.

please tell me how make code aggregate/sum regardless of case.

thanks

var accountgroups = completedt_svc_ro_dr.asenumerable()     .groupby(x => new {          accno = x.field<string>("account#"),          description = x.field<string>("d e s c r p t o n . . . . . . . . . . . . x")                       .tostring()      })     .select(grp => new {          account = grp.key.accno,          descrpt = grp.key.description,          count = grp.sum(row => row.field<int>("cur-balance...."))      });  var completedt_svc_ro_dr_cr = new datatable(); completedt_svc_ro_dr_cr.columns.add("d e s c r p t o n . . . . . . . . . . . ."); completedt_svc_ro_dr_cr.columns.add("account#"); completedt_svc_ro_dr_cr.columns.add("cur-balance...."); foreach (var grp in accountgroups)     completedt_svc_ro_dr_cr.rows.add(grp.descrpt, grp.account, grp.count);


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