DataTable in-place sorting or add dataTable in dataSet at given index

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ASP.NET

.NET

C#5.0

i have DataSet ds, with 3 tables table0, table1, table3. my requirement is

"sort table0 by given column name and pass this ds to some other method".

i have done this. code is working fine. but i am not happy with doing in this way. :(

string[] sortByVal = sortValue.Split('_');
dsProductsForSearch = HttpContext.Current.Session["dsProductsForSearch"] as DataSet;

DataTable dt0 = dsProductsForSearch.Tables[0];

if (dt0.Columns.Contains(sortByVal[1]))
{
    DataTable dt1 = dsProductsForSearch.Tables[1];
    DataTable dt2 = dsProductsForSearch.Tables[2];

    dsProductsForSearch.Tables.RemoveAt(0);
    dsProductsForSearch.Tables.RemoveAt(0);
    dsProductsForSearch.Tables.RemoveAt(0);

    DataView dv = new DataView(dt0);
    dv.Sort = sortByVal[1] + " ASC";

    dsProductsForSearch.Tables.Add(dv.ToTable());
    dsProductsForSearch.Tables.Add(dt1);
    dsProductsForSearch.Tables.Add(dt2);
}

CreateHTMLforPDF (dsProductsForSearch);

I tried to add table0 but it always added after last DataTable in DataSet. I have to add it at 0th position or i have to sort in-place.

Can any one give suggestion to do it in minimum line of code with high Performance and readability.

thanks in advance. :):):)