datagrid 2 problems(header and mappingType)

Hello my name is Gil and I'm a new developer in vb.net I Have 2 questions: 1. after hiding a datagrid column like this: gDs.Tables(0).Columns(0).ColumnMapping = MappingType.Hidden I don't know how to show it again(cancle the hidding) 2. I can't set the datagrid header text to show multiline text i wont to show to lines like this: line1: customer line2: name and i used vbcr, vbCrLf,Environment.NewLine, /n/r, nothing work... thanks, Gil

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