Hi makumbi,

Please refer below sample.

If you are looking for redirect to another page and get rows value so refer below link :

Search and Filter GridView with HyperLinks as you type in TextBox using jQuery AJAX in ASP.Net

HTML

<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
<script src="ASPSnippets_Pager.min.js" type="text/javascript"></script>
<script type="text/javascript">
    $(function () {
        GetCustomers(1);
    });
    $("[id*=txtSearch]").live("keyup", function () {
        GetCustomers(parseInt(1));
    });
    $(".Pager .page").live("click", function () {
        GetCustomers(parseInt($(this).attr('page')));
    });
    function SearchTerm() {
        return jQuery.trim($("[id*=txtSearch]").val());
    };
    function GetCustomers(pageIndex) {
        $.ajax({
            type: "POST",
            url: "CS.aspx/GetCustomers",
            data: '{searchTerm: "' + SearchTerm() + '", pageIndex: ' + pageIndex + '}',
            contentType: "application/json; charset=utf-8",
            dataType: "json",
            success: OnSuccess,
            failure: function (response) {
                alert(response.d);
            },
            error: function (response) {
                alert(response.d);
            }
        });
    }
    var row;
    function OnSuccess(response) {
        var xmlDoc = $.parseXML(response.d);
        var xml = $(xmlDoc);
        var customers = xml.find("Customers");
        if (row == null) {
            row = $("[id*=gvCustomers] tr:last-child").clone(true);
        }
        $("[id*=gvCustomers] tr").not($("[id*=gvCustomers] tr:first-child")).remove();
        if (customers.length > 0) {
            $.each(customers, function () {
                var customer = $(this);
                $("td", row).eq(0).html($(this).find("CustomerID").text());
                $("td", row).eq(1).html($(this).find("ContactName").text());
                $("td", row).eq(2).html($(this).find("City").text());
                $("[id*=gvCustomers]").append(row);
                row = $("[id*=gvCustomers] tr:last-child").clone(true);
            });
            var pager = xml.find("Pager");
            $(".Pager").ASPSnippets_Pager({
                ActiveCssClass: "current",
                PagerCssClass: "pager",
                PageIndex: parseInt(pager.find("PageIndex").text()),
                PageSize: parseInt(pager.find("PageSize").text()),
                RecordCount: parseInt(pager.find("RecordCount").text())
            });

            $(".ContactName").each(function () {
                var searchPattern = new RegExp('(' + SearchTerm() + ')', 'ig');
                $(this).html($(this).text().replace(searchPattern, "<span class = 'highlight'>" + SearchTerm() + "</span>"));
            });
        } else {
            var empty_row = row.clone(true);
            $("td:first-child", empty_row).attr("colspan", $("td", row).length);
            $("td:first-child", empty_row).attr("align", "center");
            $("td:first-child", empty_row).html("No records found for the search criteria.");
            $("td", empty_row).not($("td:first-child", empty_row)).remove();
            $("[id*=gvCustomers]").append(empty_row);
        }
    };
    $(function () {
        $("[id*=gvCustomers]").find("a").click(function () {
            var row = $(this).closest("tr");
            var customerid = row.find("td").eq(0).html();
            var name = row.find("td").eq(1).html();
            var country = row.find("td").eq(2).html();
            document.getElementById("hfId").value = customerid;
            document.getElementById("hfName").value = name;
            document.getElementById("hfCountry").value = country;
        });
    });
</script>
Search:
<asp:TextBox ID="txtSearch" runat="server" />
<hr />
<asp:GridView ID="gvCustomers" runat="server" AutoGenerateColumns="False" OnSelectedIndexChanged="gvCustomers_SelectedIndexChanged">
    <Columns>
        <asp:TemplateField HeaderText="CustomerId">
            <EditItemTemplate>
                <asp:TextBox ID="txtId" runat="server" Text='<%# Eval("CustomerID") %>'></asp:TextBox>
            </EditItemTemplate>
            <ItemTemplate>
                <asp:Label ID="lblId" runat="server" Text='<%# Bind("CustomerID") %>'></asp:Label>
            </ItemTemplate>
        </asp:TemplateField>
        <asp:TemplateField HeaderText="Name">
            <EditItemTemplate>
                <asp:TextBox ID="txtName" runat="server" Text='<%# Eval("ContactName") %>'></asp:TextBox>
            </EditItemTemplate>
            <ItemTemplate>
                <asp:Label ID="lblName" runat="server" Text='<%# Bind("ContactName") %>'></asp:Label>
            </ItemTemplate>
        </asp:TemplateField>
        <asp:TemplateField HeaderText="City">
            <EditItemTemplate>
                <asp:TextBox ID="txtCity" runat="server" Text='<%# Eval("City") %>'></asp:TextBox>
            </EditItemTemplate>
            <ItemTemplate>
                <asp:Label ID="txtCity" runat="server" Text='<%# Bind("City") %>'></asp:Label>
            </ItemTemplate>
        </asp:TemplateField>
        <asp:CommandField ShowSelectButton="true" />
    </Columns>
</asp:GridView>
<br />
<div class="Pager">
</div>
<asp:HiddenField ID="hfId" runat="server" />
<asp:HiddenField ID="hfName" runat="server" />
<asp:HiddenField ID="hfCountry" runat="server" />
<br />
<div>
    <asp:TextBox ID="txtId" runat="server"></asp:TextBox>
    <asp:TextBox ID="txtName" runat="server"></asp:TextBox>
    <asp:TextBox ID="txtCountry" runat="server"></asp:TextBox>
</div>

Namespaces

C#

using System.Data;
using System.Web.Services;
using System.Configuration;
using System.Data.SqlClient;

VB.Net

Imports System.Data.SqlClient
Imports System.Data
Imports System.Web.Services

Code

C#

private static int PageSize = 5;
protected void Page_Load(object sender, EventArgs e)
{
    if (!this.IsPostBack)
    {
        BindDummyRow();
    }
}

private void BindDummyRow()
{
    DataTable dummy = new DataTable();
    dummy.Columns.Add("CustomerID");
    dummy.Columns.Add("ContactName");
    dummy.Columns.Add("City");
    dummy.Rows.Add();
    gvCustomers.DataSource = dummy;
    gvCustomers.DataBind();
}

[WebMethod]
public static string GetCustomers(string searchTerm, int pageIndex)
{
    string query = "[GetCustomers_Pager]";
    SqlCommand cmd = new SqlCommand(query);
    cmd.CommandType = CommandType.StoredProcedure;
    cmd.Parameters.AddWithValue("@SearchTerm", searchTerm);
    cmd.Parameters.AddWithValue("@PageIndex", pageIndex);
    cmd.Parameters.AddWithValue("@PageSize", PageSize);
    cmd.Parameters.Add("@RecordCount", SqlDbType.Int, 4).Direction = ParameterDirection.Output;
    return GetData(cmd, pageIndex).GetXml();
}

private static DataSet GetData(SqlCommand cmd, int pageIndex)
{
    string strConnString = ConfigurationManager.ConnectionStrings["constr"].ConnectionString;
    using (SqlConnection con = new SqlConnection(strConnString))
    {
        using (SqlDataAdapter sda = new SqlDataAdapter())
        {
            cmd.Connection = con;
            sda.SelectCommand = cmd;
            using (DataSet ds = new DataSet())
            {
                sda.Fill(ds, "Customers");
                DataTable dt = new DataTable("Pager");
                dt.Columns.Add("PageIndex");
                dt.Columns.Add("PageSize");
                dt.Columns.Add("RecordCount");
                dt.Rows.Add();
                dt.Rows[0]["PageIndex"] = pageIndex;
                dt.Rows[0]["PageSize"] = PageSize;
                dt.Rows[0]["RecordCount"] = cmd.Parameters["@RecordCount"].Value;
                ds.Tables.Add(dt);
                return ds;
            }
        }
    }
}

protected void gvCustomers_SelectedIndexChanged(object sender, EventArgs e)
{
    txtId.Text = hfId.Value;
    txtName.Text = hfName.Value;
    txtCountry.Text = hfCountry.Value;
}

VB.Net

Private Shared PageSize As Integer = 5
Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
    If Not Me.IsPostBack Then
        BindDummyRow()
    End If
End Sub

Private Sub BindDummyRow()
    Dim dummy As DataTable = New DataTable()
    dummy.Columns.Add("CustomerID")
    dummy.Columns.Add("ContactName")
    dummy.Columns.Add("City")
    dummy.Rows.Add()
    gvCustomers.DataSource = dummy
    gvCustomers.DataBind()
End Sub

<WebMethod()>
Public Shared Function GetCustomers(ByVal searchTerm As String, ByVal pageIndex As Integer) As String
    Dim query As String = "[GetCustomers_Pager]"
    Dim cmd As SqlCommand = New SqlCommand(query)
    cmd.CommandType = CommandType.StoredProcedure
    cmd.Parameters.AddWithValue("@SearchTerm", searchTerm)
    cmd.Parameters.AddWithValue("@PageIndex", pageIndex)
    cmd.Parameters.AddWithValue("@PageSize", PageSize)
    cmd.Parameters.Add("@RecordCount", SqlDbType.Int, 4).Direction = ParameterDirection.Output
    Return GetData(cmd, pageIndex).GetXml()
End Function

Private Shared Function GetData(ByVal cmd As SqlCommand, ByVal pageIndex As Integer) As DataSet
    Dim strConnString As String = ConfigurationManager.ConnectionStrings("constr").ConnectionString
    Using con As SqlConnection = New SqlConnection(strConnString)
        Using sda As SqlDataAdapter = New SqlDataAdapter()
            cmd.Connection = con
            sda.SelectCommand = cmd

            Using ds As DataSet = New DataSet()
                sda.Fill(ds, "Customers")
                Dim dt As DataTable = New DataTable("Pager")
                dt.Columns.Add("PageIndex")
                dt.Columns.Add("PageSize")
                dt.Columns.Add("RecordCount")
                dt.Rows.Add()
                dt.Rows(0)("PageIndex") = pageIndex
                dt.Rows(0)("PageSize") = PageSize
                dt.Rows(0)("RecordCount") = cmd.Parameters("@RecordCount").Value
                ds.Tables.Add(dt)
                Return ds
            End Using
        End Using
    End Using
End Function

Protected Sub gvCustomers_SelectedIndexChanged(ByVal sender As Object, ByVal e As EventArgs)
    txtId.Text = hfId.Value
    txtName.Text = hfName.Value
    txtCountry.Text = hfCountry.Value
End Sub

Screenshot