using System;

using System.Collections;

using System.Configuration;

using System.Data;

using System.Linq;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.HtmlControls;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Xml.Linq;

public partial class GridViewSelect : System.Web.UI.Page

{

    protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)

    {

        int intSelectedIndex = 0;

        int intPageIndex = 0;

        int intGridViewPages = GridView1.PageCount;

        // Loop thru each page in the GridView

        for (int i = 0; i < intGridViewPages; i++)

        {

            // Set the current GridView page

            GridView1.PageIndex = i;

            // Bind the GridView to the current page

            GridView1.DataBind();

            // Loop thru each row in the GridView

            foreach (GridViewRow GVRow in GridView1.Rows)

            {

                // Check to see if the value of GridView cell 2 matches

                // In this example cell 1 (0) is the select link

                if (GVRow.Cells[1].Text == DropDownList1.SelectedValue)

                {

                    // If it is a mach set the variables and exit

                    intSelectedIndex = GVRow.RowIndex;

                    intPageIndex = i;

                    break;

                }

            }

        }

        // Set the GridView to the values found

        GridView1.PageIndex = intPageIndex;

        GridView1.SelectedIndex = intSelectedIndex;

        GridView1.DataBind();

    }

}