private System.Data.DataView GetView()
{
System.Data.DataTable t = new System.Data.DataTable();
t.Columns.Add("Address", typeof(String));
t.Columns.Add("Name", typeof(String));
t.Rows.Add(new object[]{"1", "1"});
t.Rows.Add(new object[]{"2", "1"});
t.Rows.Add(new object[]{"3", "1"});
t.Rows.Add(new object[]{"4", "1"});
System.Data.DataView v = new System.Data.DataView(t);
v.RowFilter = "(Address is not null) and (Name is not null)";
return v;
}