Forms Data Controls :: Asp Repeater Binding Repeated Row From Datatable?

my repeater binding repeated rows.

TableAdapters.myorderTableAdapter tblerows= new TableAdapters.myorderTableAdapter();
DataTable dt = tblerows.GetDataByUserName(username);
DataTable outputTable = dt;
for (int i = 0; i < 4; i++)
{
outputTable.ImportRow(dt.Rows[i]);
}
Repeater1.DataSource = outputTable;
Repeater1.DataBind();

from the above code i got number of rows for the seleted username. so i need to show only resulted rows. here repeater1 repeating my rows.