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SqlDataReader dr = cmd.ExecuteReader();
try{
if (dr.HasRows){
while (dr.Read()) {}
}
else
{}
}
catch (Exception ex)
{}
finally{}
SqlDataReader dr = cmd.ExecuteReader();
try{
while (dr.Read()) {}
}
catch (Exception ex)
{}
finally{}
using(SqlDataReader dr = cmd.ExecuteReader())
{
while (dr.Read())
{}
}
SqlDataReader dr = cmd.ExecuteReader();
try{
if( dr!=null){
while (dr.Read()) {}
}
}
catch (Exception ex)
{}
finally{}