I am writing this
article on demand as I got a request from one of my friend. He told me that he
is looking this requirement so I created this. As per his
requirement he needs to show data from SQL Server database table in ASP.NET
Grid View using jQuery, JSON and AJAX call.
Below is my Data
Table from which I am showing data.
Image 1.
Script of My Table
is:
CREATE TABLE [dbo].[Customers](
[CustomerID]
[int] IDENTITY(1,1) NOT NULL,
[Name]
[varchar](50) NULL,
[Mobile]
[varchar](50) NULL,
[City]
[varchar](50) NULL,
CONSTRAINT [PK_Customer] PRIMARY
KEY CLUSTERED
(
[CustomerID] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF,
IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS
= ON,
ALLOW_PAGE_LOCKS
= ON) ON [PRIMARY]
) ON [PRIMARY]
GO
Data in my Table:
Image 2.
Now right click on
Project's Solution Explorer- > Manage Nu Get-> Type jQuery and
Install it:
Image 3.
Below is my aspx
code:
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm2.aspx.cs" Inherits="ExpandFillNestedGridView.WebForm2" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Showing Data in ASP.NET Grid View Using
jQuery, JSON & AJAX Call</title>
<script src="Scripts/jquery-2.2.0.min.js"></script>
<script type="text/javascript">
$(document).ready(function () {
$("#btnShowData").click(function () {
$.ajax({
type: "POST",
contentType: "application/json;
charset=utf-8",
url: "WebForm2.aspx/BindCustomers",
data: "{}",
dataType: "json",
success: function (result) {
for (var i = 0; i <
result.d.length; i++) {
$("#gvData").append("<tr><td>" +
result.d[i].CustomerID + "</td><td>" +
result.d[i].Name + "</td><td>" +
result.d[i].Mobile + "</td><td>" +
result.d[i].City + "</td></tr>");
}
},
error: function (result) {
alert("Error");
}
});
});
});
</script>
</head>
<body>
<table style="background-color: yellow; border: solid 5px red; width: 100%" align="center">
<tr>
<td style="background-color: orangered; padding: 2px; text-align: center; color: white; font-weight: bold; font-size: 14pt;">
Showing Data Using
jQuery, JSON & AJAX Call</td>
</tr>
<tr>
<td>
<button id="btnShowData" runat="server">Get Data</button>
<br />
<br />
<form id="form1" runat="server" style="background-color:deepskyblue; padding:5px;">
<asp:GridView ID="gvData" runat="server" CellPadding="4" ShowHeaderWhenEmpty="true" ForeColor="White" Width="100%">
<HeaderStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />
<RowStyle BackColor="#EFF3FB" />
</asp:GridView>
</form>
</td>
</tr>
</table>
</body>
</html>
Below is my aspx.cs
code:
using System;
using System.Data;
using System.Linq;
using
System.Web.Services;
using
System.Data.SqlClient;
using
System.Collections.Generic;
namespace
ExpandFillNestedGridView
{
public partial class WebForm2 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
BindDummyGridrow();
}
}
public void BindDummyGridrow()
{
DataTable dt = new DataTable();
dt.Columns.Add("Customer
ID");
dt.Columns.Add("Name");
dt.Columns.Add("Mobile");
dt.Columns.Add("City");
gvData.DataSource = dt;
gvData.DataBind();
}
[WebMethod]
public static Customer[] BindCustomers()
{
string connectionString = @"Data
Source=.; database=CompanyDB;Integrated Security=true";
DataTable dt = new DataTable();
List<Customer> custList = new List<Customer>();
using (SqlConnection con = new SqlConnection(connectionString))
{
using (SqlCommand command = new SqlCommand("select *
from Customers",
con))
{
con.Open();
SqlDataAdapter da = new SqlDataAdapter(command);
da.Fill(dt);
foreach (DataRow dtrow in dt.Rows)
{
Customer cust = new Customer();
cust.CustomerID =
dtrow["CustomerID"].ToString();
cust.Name = dtrow["Name"].ToString();
cust.Mobile = dtrow["Mobile"].ToString();
cust.City = dtrow["City"].ToString();
custList.Add(cust);
}
}
}
return custList.ToArray();
}
public class Customer
{
public string CustomerID { get; set; }
public string Name { get; set; }
public string Mobile { get; set; }
public string City { get; set; }
}
}
}
Now run your application:
Image 4.
Image 5.