[Solved] Bind GridViw using jQuery AJAX not showing

Hi SajidHussa,

Check this example. Now please take its reference and correct your code.

Database

For this example I have used of Northwind database that you can download using the link given below.

Download Northwind Database

HTML

<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<script src="ASPSnippets_Pager.min.js" type="text/javascript"></script>
<script type="text/javascript">
    $(function () {
        GetCustomers(1);
    });
    $(document).on("keyup", "[id*=txtSearch]", function () {
        GetCustomers(parseInt(1));
    });
    $(document).on("click", ".Pager .page", function () {
        GetCustomers(parseInt($(this).attr('page')));
    });
    function SearchTerm() {
        return jQuery.trim($("[id*=txtSearch]").val());
    };
    function GetCustomers(pageIndex) {
        var obj = {};
        obj.pageIndex = $.trim(pageIndex);
        obj.name = $.trim(SearchTerm());
        $.ajax({
            type: "POST",
            url: "Default.aspx/GetCustomers",
            data: JSON.stringify(obj),
            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("RowNumber").text());
                $("td", row).eq(1).html($(this).find("CustomerID").text());
                $("td", row).eq(2).html($(this).find("ContactName").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());
            });
        } 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);
        }
    };
</script>
<input type="text" name="name" id="txtSearch" class="ContactName" />
<div class="Pager">
</div>
<asp:GridView ID="gvCustomers" runat="server" AutoGenerateColumns="false">
    <Columns>
        <asp:BoundField HeaderText="S.No" />
        <asp:BoundField DataField="CustomerID" HeaderText="regid" />
        <asp:BoundField DataField="ContactName" HeaderText="opdid" />
    </Columns>
</asp:GridView>

Namespaces

C#

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

VB.Net

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

Code

C#

protected void Page_Load(object sender, EventArgs e)
{
    if (!IsPostBack)
    {
        DataTable dummy = new DataTable();
        dummy.Columns.Add("CustomerID");
        dummy.Columns.Add("ContactName");
        dummy.Rows.Add();
        gvCustomers.DataSource = dummy;
        gvCustomers.DataBind();
    }
}

private static int PageSize = 10;
[WebMethod]
public static string GetCustomers(int pageIndex, string name)
{
    string query = "GetCustomers_Pager";
    SqlCommand cmd = new SqlCommand(query);
    cmd.CommandType = CommandType.StoredProcedure;
    cmd.Parameters.AddWithValue("@SearchTerm", name);
    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)
{

    using (SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["constr"].ConnectionString))
    {
        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;
            }
        }
    }
}

VB.Net

Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
    If Not IsPostBack Then
        Dim dummy As DataTable = New DataTable()
        dummy.Columns.Add("CustomerID")
        dummy.Columns.Add("ContactName")
        dummy.Rows.Add()
        gvCustomers.DataSource = dummy
        gvCustomers.DataBind()
    End If
End Sub

Private Shared PageSize As Integer = 10

<WebMethod()>
Public Shared Function GetCustomers(ByVal pageIndex As Integer, ByVal name As String) As String
    Dim query As String = "GetCustomers_Pager"
    Dim cmd As SqlCommand = New SqlCommand(query)
    cmd.CommandType = CommandType.StoredProcedure
    cmd.Parameters.AddWithValue("@SearchTerm", name)
    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
    Using con As SqlConnection = New SqlConnection(ConfigurationManager.ConnectionStrings("constr").ConnectionString)
        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

Screenshot