I use this code on the Search button of the frmGrid to filter all the records with the same position.
Dim aFind As String = InputBox("Enter a Position", "Filter Employees Position")
'Filter
DataSet11.Employee.DefaultView.RowFilter = "empposition like '" & aFind & "%'"
DataGrid1.DataSource = DataSet11.Employee
On the Input Box I type: "Clerk" and all records with this position display.
But if want to navigate records using "<<" and ">>" doesn't work. Try to see the file attached with this thread for you to understand this.