How to read columns which are merged in excel

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1

i want to read merged columns from excel, how can i do it

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below is my code
string.Join(“,”,dtSheet1.AsEnumerable().[Select](Function(s) s.Field(Of String)(“CSSR”)).ToArray())

2

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here is the field name i read “cssr” in this column 3 columns is merged i want to read each