Using C# adding new column to DataTable and assigning value

// adding new column to datatable and assign value
System.Data.DataColumn newColumn = new System.Data.DataColumn(“barCode”, typeof(System.Byte[]));
dt.Columns.Add(newColumn);
foreach (DataRow dr in dt.Rows)
{
String ApplicationSN = dr[“APPLICATION_SN”].ToString().Trim();
dr[“barCode”] = ImageToByte(CreateBarcode(ApplicationSN));
}

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