asp:CompareValidator Demo (VB.net) : CompareValidator « Validation by Control « ASP.Net

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ASP.Net » Validation by Control » CompareValidator 
asp:CompareValidator Demo (VB.net)

<%@ Page Language=VB Debug=true %>
<%@ Import Namespace="System.Data" %>
<script runat=server>

</SCRIPT>
<HTML>
<HEAD>
<TITLE>CompareValidator Control Sample Page</TITLE>
</HEAD>
<BODY >
<form runat="server">
<Font Face="Tahoma">
<BR><BR>
<asp:Label
    id="lblMessage"
    runat="server"
    Font-Bold="True"
    Text="Date"
/>
<asp:TextBox 
    id="txtDateField" 
    Columns="25"
    MaxLength="30"
    runat=server 
/>
<asp:CompareValidator 
    id="cvDateField" 
    ControlToValidate="txtDateField" 
    Operator="DataTypeCheck" 
    Type="Date" 
    Display="Dynamic"
    Font-Size="10pt"
    runat="server">
    You must enter a date!
</asp:CompareValidator>
<BR><BR>
<asp:Label
    id="lblMessage2"
    runat="server"
    Font-Bold="True"
    Text="Number"
/>
<asp:TextBox 
    id="txtNumber" 
    Columns="25"
    MaxLength="30"
    runat=server 
/>
<asp:CompareValidator 
    id="cvNumber" 
    ControlToValidate="txtNumber" 
    Operator="DataTypeCheck" 
    Type="Integer" 
    Display="Dynamic"
    runat="server">
    You must enter a whole number!
</asp:CompareValidator>
<BR><BR>
<asp:Label
    id="lblMessage3"
    runat="server"
    Font-Bold="True"
    Text="Make the same"
/>
<asp:TextBox 
    id="txtSame1" 
    Columns="25"
    MaxLength="30"
    runat=server 
/>
<asp:TextBox 
    id="txtSame2" 
    Columns="25"
    MaxLength="30"
    runat=server 
/>
<asp:CompareValidator id="cvSame"
    ControlToValidate="txtSame1" 
    ControlToCompare="txtSame2"
    Display="Dynamic"
    Font-Name="Tahoma"
    Font-Size="10pt"
    runat=server>
    Fields don't match!
</asp:CompareValidator>
<BR><BR>
<asp:button 
    id="butOK"
    text="OK"
    Type="Submit"
    runat="server"
/>

</Font>
</Form>
</BODY>
</HTML>
           
       
Related examples in the same category
1. Validating User Input Against a Value Through the CompareValidator Control (VB.net)
2. Validating User Input against the Value in Another Control Using the CompareValidator Control (VB.net)
3. Comparevalidator: equal (VB.net)
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