c# - Select all column in QueryExpression CRM 2011 -

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i have queryexpression in code.

 queryexpression query = new queryexpression() { };   query.entityname = "country";  query.columnset = new columnset("name", "2digitiso", "3digitiso");   entitycollection retrieved = _service.retrievemultiple(query);

my question is, there way select columns in "country" without providing columnset? pretty want select * sql query.

yes, if change third line this

query.columnset = new columnset(true);

then select columns


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