Hi Eni,
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
<div style="border: 1px solid black; padding: 3px; width: 1200px">
<input id="CustomerJSON" type="hidden" runat="server" />
<input id="Hidden1" type="hidden" runat="server" />
<asp:Button ID="Button1" runat="server" Text="Save me" OnClientClick="GetTableValues()"
OnClick="Submit" />
<table id="datatableNew">
<thead>
<tr>
<th>Id</th>
<th>Name</th>
<th>City</th>
<th>Country</th>
<th>Date Of Birth</th>
</tr>
</thead>
<tfoot>
<tr>
<th>Id</th>
<th>Name</th>
<th>City</th>
<th>Country</th>
<th>Date Of Birth</th>
</tr>
</tfoot>
</table>
<hr />
<table id="datatable">
<thead>
<tr>
<th>Id</th>
<th>Name</th>
<th>City</th>
<th>Country</th>
<th>Date Of Birth</th>
</tr>
</thead>
<tfoot>
<tr>
<th>Id</th>
<th>Name</th>
<th>City</th>
<th>Country</th>
<th>Date Of Birth</th>
</tr>
</tfoot>
</table>
</div>
JavaScript
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" />
<script type="text/javascript" src="https://code.jquery.com/jquery-1.11.1.min.js"></script>
<link rel="stylesheet" type="text/css" href="https://cdn.datatables.net/1.10.7/css/jquery.dataTables.min.css" />
<script type="text/javascript" src="https://cdn.datatables.net/1.10.7/js/jquery.dataTables.min.js"></script>
<script type="text/javascript">
$(document).ready(function () {
/*----------------1st Table.----------------*/
$.ajax({
url: "WebService.asmx/GetEmployees",
type: 'post',
dataType: 'json',
success: function (data) {
var dataTableInstanceNew = $('#datatableNew').DataTable({
'paging': true,
'pageLength': 5,
'sort': true,
'searching': true,
//'scrollY': 400,
data: data,
columns: [
{ 'data': 'Id' },
{ 'data': 'Name' },
{ 'data': 'City' },
{ 'data': 'Country' },
{
'data': 'BirthDate',
'render': function (jsonDate) {
var date = new Date(parseInt(jsonDate.substr(6)));
var month = date.getMonth() + 1;
return month + "/" + date.getDate() + "/" + date.getFullYear();
}
}]
});
$('#datatableNew tfoot th').each(function () {
var title = $('#datatableNew thead th').eq($(this).index()).text();
$(this).html('<input id="column_search" type="text" placeholder ="Search ' + title.trim() + '"/>');
});
dataTableInstanceNew.columns().every(function () {
var datatableColumnNew = this;
$(this.footer()).find('input').on('keyup click', function () {
datatableColumnNew.search($(this).val()).draw();
});
})
$('#datatableNew tbody').on('click', 'tr', function () {
$(this).toggleClass('selected');
var table = $('#datatableNew').DataTable();
if ($(this).hasClass('selected')) {
$(this).removeClass('selected');
} else {
table.$('tr.selected').removeClass('selected');
$(this).addClass('selected');
}
});
}
});
/*----------------2nd Table.----------------*/
$.ajax({
url: "WebService.asmx/GetEmployees",
type: 'post',
dataType: 'json',
success: function (data) {
var dataTableInstance = $('#datatable').DataTable({
'paging': true,
'pageLength': 5,
'sort': true,
'searching': true,
'fixedHeader': true,
//colReorder:true,
// 'scrollY': 400,
data: data,
columns: [
{ 'data': 'Id' },
{ 'data': 'Name' },
{ 'data': 'City' },
{ 'data': 'Country' },
{
'data': 'BirthDate',
'render': function (jsonDate) {
var date = new Date(parseInt(jsonDate.substr(6)));
var month = date.getMonth() + 1;
return month + "/" + date.getDate() + "/" + date.getFullYear();
}
}
], select: {
style: 'os',
selector: 'td:first-child'
}, order: [[1, 'asc']]
});
$('#datatable tfoot th').each(function () {
var title = $('#datatable thead th').eq($(this).index()).text();
$(this).html('<input type="text" placeholder ="Search ' + title.trim() + '"/>');
});
dataTableInstance.columns().every(function () {
var datatableColumn = this;
$(this.footer()).find('input').on('keyup change', function () {
datatableColumn.search(this.value).draw();
});
});
$('#datatable tbody').on('click', 'tr', function () {
$(this).toggleClass('selected');
});
}
});
});
</script>
WebService
CS
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Services;
using System.Configuration;
using System.Data.SqlClient;
using System.Web.Script.Serialization;
/// <summary>
/// Summary description for WebService
/// </summary>
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
// To allow this Web Service to be called from script, using ASP.NET AJAX, uncomment the following line.
[System.Web.Script.Services.ScriptService]
public class WebService : System.Web.Services.WebService
{
[WebMethod()]
public void GetEmployees()
{
List<Employee> customers = new List<Employee>();
using (SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["constr"].ConnectionString))
{
using (SqlCommand cmd = new SqlCommand())
{
cmd.Connection = con;
con.Open();
cmd.CommandText = "SELECT EmployeeID,FirstName+' '+LastName Name,BirthDate,City,Country FROM Employees";
SqlDataReader rdr = cmd.ExecuteReader();
while (rdr.Read())
{
Employee customer = new Employee()
{
Id = Convert.ToInt32(rdr["EmployeeID"]),
Name = rdr["Name"].ToString(),
BirthDate = Convert.ToDateTime(rdr["BirthDate"]),
City = rdr["City"].ToString(),
Country = rdr["Country"].ToString()
};
customers.Add(customer);
}
con.Close();
}
}
JavaScriptSerializer js = new JavaScriptSerializer();
Context.Response.Write(js.Serialize(customers));
}
public class Employee
{
public int Id { get; set; }
public string Name { get; set; }
public DateTime BirthDate { get; set; }
public string City { get; set; }
public string Country { get; set; }
}
}
VB.Net
Imports System
Imports System.Collections.Generic
Imports System.Linq
Imports System.Web
Imports System.Web.Services
Imports System.Configuration
Imports System.Data.SqlClient
Imports System.Web.Script.Serialization
' To allow this Web Service to be called from script, using ASP.NET AJAX, uncomment the following line.
<System.Web.Script.Services.ScriptService()> _
<WebService(Namespace:="http://tempuri.org/")> _
<WebServiceBinding(ConformsTo:=WsiProfiles.BasicProfile1_1)> _
<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
Public Class WebService
Inherits System.Web.Services.WebService
<WebMethod()>
Public Sub GetEmployees()
Dim customers As List(Of Employee) = New List(Of Employee)()
Using con As SqlConnection = New SqlConnection(ConfigurationManager.ConnectionStrings("constr").ConnectionString)
Using cmd As SqlCommand = New SqlCommand()
cmd.Connection = con
con.Open()
cmd.CommandText = "SELECT EmployeeID,FirstName+' '+LastName Name,BirthDate,City,Country FROM Employees"
Dim rdr As SqlDataReader = cmd.ExecuteReader()
While rdr.Read()
Dim customer As Employee = New Employee() With {
.Id = Convert.ToInt32(rdr("EmployeeID")),
.Name = rdr("Name").ToString(),
.BirthDate = Convert.ToDateTime(rdr("BirthDate")),
.City = rdr("City").ToString(),
.Country = rdr("Country").ToString()
}
customers.Add(customer)
End While
con.Close()
End Using
End Using
Dim js As JavaScriptSerializer = New JavaScriptSerializer()
Context.Response.Write(js.Serialize(customers))
End Sub
Public Class Employee
Public Property Id As Integer
Public Property Name As String
Public Property BirthDate As DateTime
Public Property City As String
Public Property Country As String
End Class
End Class
Screenshot
