Disable Client Validation : CompareValidator « Validation « ASP.NET Tutorial

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ASP.NET Tutorial » Validation » CompareValidator 
8.2.12.Disable Client Validation
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="DisableClientValidation" %>

<!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>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    
    Quantity:<br />
    <asp:TextBox ID="txtQuantity" runat="server"></asp:TextBox>
       <asp:CompareValidator ID="compQuantity" 
                             runat="server" 
                             ControlToValidate="txtQuantity" 
                             Operator="DataTypeCheck"
                             Type="Integer"
                             EnableClientScript="false"
                             Text="Enter a valid whole number" />   
    
    
    <asp:Button ID="btnSubmit" Text="Click this to test validation" runat="server" OnClick="btnSubmit_Click" />
    
    <asp:Label ID="labContent" runat="server" />      
    </form>
</body>
</html>

File: Default.aspx.cs

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class DisableClientValidation : System.Web.UI.Page
{
    protected void btnSubmit_Click(object sender, EventArgs e)
    {
       if (IsValid)
       {
          int quantity = Convert.ToInt32(txtQuantity.Text);
          int unitCost = 5;
          int price = quantity * unitCost;
          labContent.Text = "Price for order is $" + price;
       }   
    }
}
8.2.CompareValidator
8.2.1.CompareValidator performs three different types of validations
8.2.2.CompareValidator performs a comparison against a fixed value.
8.2.3.CompareValidator compares the value of one form field against another form field.
8.2.4.asp:CompareValidator, Type='String', Operator='NotEqual' and ErrorMessage
8.2.5.What happens to asp:CompareValidator in the client side
8.2.6.Set DeleteParameters, InsertParameters and UpdateParameters for asp:SqlDataSource
8.2.7.Using the CompareValidator to test values against other control values
8.2.8.Using the CompareValidator to validate against constants
8.2.9.To specify the data types: Currency, Date, Double, Integer, String
8.2.10.Making comparisons with the CompareValidator control
8.2.11.CompareValidator for number, text and password
8.2.12.Disable Client Validation
8.2.13.Use CompareValidator to check password field and confirm password field
8.2.14.CompareValidator with age field
8.2.15.Check birthday
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