Question

I am using C#. I want to hide or remove the column from DataTable or DataSet . I attach my partial code:

DataTable dt = new DataTable();
DataView dv = new DataView();
dv = (DataView)Session["map_hi"];
dt = dv.ToTable();
dt.Columns[0].ColumnMapping = MappingType.Hidden;
dt.AcceptChanges();

Answer 1

try this

   DataTable t;
   t.Columns.Remove("columnName");
   t.Columns.RemoveAt(columnIndex);