C#在DataSet内存数据库中执行查询

  private void txtSelectName_TextChanged(object sender, EventArgs e)//TextBox文本发生改变的事件根据姓名查询的方法
    {
        DataView dv = ds.Tables["Student"].DefaultView;
        dv.RowFilter = "SName Like '%" + txtSelectName.Text + "%'";
        dgvStudent.DataSource = dv;
    }