create a class say Data and fill it with column names.
Class Data
{
public string Leave { get; set; }
public string Balance { get; set; }
public string Used { get; set; }
public string Remain { get; set; }
}
create a list of type Data
List<Data> DataList = new List<Data>();
Now Create object of class Data and add it to list.
DataList.Add(new Data{Leave=<value>,Balance="<value>",Used="<value>",Remain="<value>"});
Each element in this list corresponds to a row.
U can even directly set the Datasource of any collection acceptable Gui element to this List.
[Columns would have names of Properties]