Review System using AJAX ToolKit Rating with SQL server Database in asp.net c#

As previous we have learned about start rating system using AJAX ToolKit Rating with SQL Server but now we will learn how to create review system in asp.net c# means in this article, we can give start rating and also write a review and submit via the click on the button





SQL Server Script:-

SET ANSI_NULLS ON
GO

SET QUOTED_IDENTIFIER ON
GO

SET ANSI_PADDING ON
GO

CREATE TABLE [dbo].[tblrating](
          [id] [int] IDENTITY(1,1) NOT NULL,
          [rating] [int] NULL,
          [review] [varchar](max) NULL,
 CONSTRAINT [PK_tblrating] PRIMARY KEY CLUSTERED
(
          [id] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]

GO

SET ANSI_PADDING OFF
GO



Source Code:-
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="starratingsystem.aspx.cs" Inherits="starratingsystem" %>


<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="asp" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
    <style type="text/css">
        .Star {
            background-image: url(images/Star.gif);
            height: 17px;
            width: 17px;
        }

        .WaitingStar {
            background-image: url(images/WaitingStar.gif);
            height: 17px;
            width: 17px;
        }

        .FilledStar {
            background-image: url(images/FilledStar.gif);
            height: 17px;
            width: 17px;
        }
    </style>
</head>
<body>
    <form id="form1" runat="server">
        <asp:ToolkitScriptManager ID="ToolkitScriptManager1" runat="server">
        </asp:ToolkitScriptManager>
        <asp:Rating ID="Rating1" runat="server" AutoPostBack="true"
            StarCssClass="Star" WaitingStarCssClass="WaitingStar" EmptyStarCssClass="Star"
            FilledStarCssClass="FilledStar">
        </asp:Rating>
        <br />
            <asp:Label ID="lbresult" runat="server" Text=""></asp:Label>
        <br />
        <asp:TextBox runat="server" ID="txtreview" TextMode="MultiLine"></asp:TextBox>
        <br />
        <asp:Button runat="server" Text="Submit Review" ID="btnsubmit" OnClick="btnsubmit_Click" />
    </form>
</body>
</html>



Code-Behind:-
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Configuration;
using System.Data.SqlClient;
using AjaxControlToolkit;


public partial class starratingsystem : System.Web.UI.Page
{
    DataTable dt = new DataTable();
    string constr = ConfigurationManager.ConnectionStrings["constr"].ConnectionString;
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            DataTable dt = this.GetData("SELECT ISNULL(AVG(Rating), 0) AverageRating, COUNT(Rating) RatingCount FROM tblrating");
            Rating1.CurrentRating = Convert.ToInt32(dt.Rows[0]["AverageRating"]);
            lbresult.Text = string.Format("{0} Users have rated. Average Rating {1}", dt.Rows[0]["RatingCount"], dt.Rows[0]["AverageRating"]);
        }
    }

    private DataTable GetData(string query)
    {
        SqlConnection con = new SqlConnection(constr);
        SqlCommand cmd = new SqlCommand(query);
        SqlDataAdapter sda = new SqlDataAdapter();
        cmd.CommandType = CommandType.Text;


        cmd.Connection = con;
        sda.SelectCommand = cmd;
        sda.Fill(dt);
        return dt;
    }

    public void btnsubmit_Click(object sender, EventArgs e )
    {
        SqlConnection con = new SqlConnection(constr);
        SqlCommand cmd = new SqlCommand("insert into tblrating values (@ratingvalue,@review)");
        SqlDataAdapter sda = new SqlDataAdapter();
        cmd.CommandType = CommandType.Text;
        cmd.Parameters.AddWithValue("@ratingvalue", Rating1.CurrentRating.ToString());
        cmd.Parameters.AddWithValue("@review", txtreview.Text);
        cmd.Connection = con;
        con.Open();
        cmd.ExecuteNonQuery();
        con.Close();
        Response.Redirect(Request.Url.AbsoluteUri);

    }

}

Out-Put:-
 You can also download the code:-


Review System using AJAX ToolKit Rating with SQL server Database in asp.net c# Review System using AJAX ToolKit Rating with SQL server Database in asp.net c# Reviewed by NEERAJ SRIVASTAVA on 5:51:00 PM Rating: 5

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