Use Javascript and asp validation control together (VB.net) : Javascript Validation « Validation by Control « ASP.Net

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ASP.Net » Validation by Control » Javascript Validation 
Use Javascript and asp validation control together (VB.net)

<%@ Page Language="vb" %>
<html>
<head>
   <title>Validation Control Example</title>
    <script language="javascript">
    <!--
      function ClientValidate(source, arguments)
      {
         //alert(arguments.Value);
         var r, re;      //Declare variables.
         re = new RegExp(/^[1-9][0-9][0-9][0-9]$/);  //Create regular expression object.
         r = re.test(arguments.Value);  //Test for match.
         arguments.IsValid = r;    //Return results.
      }
   -->
   </script>
   <script runat="server">
      Sub Page_Load()
         vsSummary.DisplayMode = ValidationSummaryDisplayMode.List
      End Sub
      Sub ServerValidation (source As object, args As ServerValidateEventArgs)
         Dim RegExVal As New System.Text.RegularExpressions.Regex("^\d{4}$")
         If RegExVal.IsMatch(args.ValueThen
            args.IsValid = True
         Else
            args.IsValid = False
         End If
      End Sub
   </script>
</head>
<body>
   <h1>Validation Control Example</h1>
   <form runat="server">
      <asp:table id="MyTable" border="1" cellpadding="5" cellspacing="0" runat="server">
         <asp:tablerow runat="server">
            <asp:tablecell runat="server">
               Compare Validator Control:
               <br><br>
               Enter two numbers to compare
            </asp:tablecell>
            <asp:tablecell runat="server">
               <asp:textbox id="value1" runat="server"/><br>
               <asp:textbox id="value2" runat="server"/><br>
               <asp:comparevalidator id="cvCompare" 
                  controltovalidate="value1" 
                  controltocompare="value2" 
                  operator="equal" 
                  type="integer" 
                  errormessage="Fields are not equal!" 
                  display="dynamic" 
                  runat="server"/>
            </asp:tablecell>
         </asp:tablerow>


         <asp:tablerow runat="server">
            <asp:tablecell runat="server">
               ValidationSummary Control:
            </asp:tablecell>
            <asp:tablecell runat="server">
               <asp:validationsummary id="vsSummary"
                  displaymode="bulletlist" 
                  headertext="Page has the following errors: "
                  showsummary="true" 
                  showmessagebox="false"
                  runat="server"/>
            </asp:tablecell>
         </asp:tablerow>
         <asp:tablerow runat="server">
            <asp:tablecell colspan="2" runat="server">
               <asp:button text="submit" runat="server"/>
            </asp:tablecell>
         </asp:tablerow>
      </asp:table>
      <asp:label id="MyLabel" runat="server"/>
   </form>
</body>
</html>

           
       
Related examples in the same category
1.Display ValidationSummary in a client side dialog (C#)
2.Validation summary in javascript dialog (C#)
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