To specify the data types: Currency, Date, Double, Integer, String : CompareValidator « Validation « ASP.NET Tutorial






  1. ASP.NET Tutorial
  2. Validation
  3. CompareValidator
<%@ Page Language="VB" %>
<script runat="server">

    Protected Sub Button1_Click(sender As Object, e As EventArgs)
       Label1.Text = "Passwords match"
    End Sub

</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
    <title>CompareFieldValidator</title>
</head>
<body>
    <form id="Form1" runat="server">
        Age:
        <asp:TextBox ID="TextBox1" Runat="server" MaxLength="3"/>
        <asp:CompareValidator ID="CompareValidator1" 
                              Runat="server"
                              ErrorMessage="You must enter a number"
                              ControlToValidate="TextBox1" 
                              Type="Integer"
                              Operator="DataTypeCheck"/>
        
            <asp:Button ID="Button1" OnClick="Button1_Click" 
             Runat="server" Text="Login"></asp:Button>
        
        
            <asp:Label ID="Label1" Runat="server"></asp:Label>
        
    </form>
</body>
</html>








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