Validation control:a postive whole number (VB.net) : Number « Validation by Function « ASP.Net

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ASP.Net » Validation by Function » Number 
Validation control:a postive whole number (VB.net)

<%@ Page 
    Inherits="System.Web.UI.MobileControls.MobilePage" 
    Language="VB" 
%>
<%@ Register 
    TagPrefix="mobile" 
    Namespace="System.Web.UI.MobileControls" 
    Assembly="System.Web.Mobile" 
%>
<script runat="server" language="VB">
Sub OK_OnSubmit(Sender As Object, E As EventArgs)
    If cvCheckNumber.IsValid Then
        ActiveForm = FinishForm
        lbl2.Text = "You entered " & txtNumber.Text
    End If
End Sub
</script>
<mobile:form 
    id="StartForm" 
    runat="server">
    <mobile:label 
        runat="server" 
        id="lbl1"
        Text="Enter a postive whole number:" 
    />
    <mobile:textbox
        runat="server" 
        id="txtNumber"
    />
    <mobile:comparevalidator 
        id="cvCheckNumber" 
        controltovalidate="txtNumber"
        valuetocompare=0
        operator="GreaterThan" 
        errormessage="You must enter a positive whole number!"
        type="Integer" 
        runat="server"
    />
    <mobile:Command 
        runat="server" 
        id="cmdOK"
        OnClick="OK_OnSubmit" 
        Text="OK" 
    />
</mobile:form>
<mobile:form 
    id="FinishForm" 
    runat="server">
    <mobile:label 
        runat="server" 
        id="lbl2"
    />
</mobile:form>
           
       
Related examples in the same category
1. Comparing a Field to a Numeric Data Type using the CompareValidator Control (VB.net)
2. Checking the Range of a Number through the RangeValidator Control (VB.net)
3. Validating Against a Positive Even Whole Number using the CustomValidator Control (VB.net)
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