ValidationSummary Demo (VB.net)
<%@ Page Language=VB Debug=true %>
<%@ Import Namespace="System.Data" %>
<script runat=server>
</SCRIPT>
<HTML>
<HEAD>
<TITLE>ValidationSummary Control Sample Page</TITLE>
</HEAD>
<BODY >
<form runat="server">
<Font Face="Tahoma">
<asp:ValidationSummary
ID="vsAllErros"
DisplayMode="BulletList"
ShowMessageBox="False"
ShowSummary="True"
runat="server"
HeaderText="For these reasons, your data could not be processed:"
Font-Name="Comic Sans MS"
Font-Size="12"
/>
<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"
ErrorMessage="You must enter a date!"
Display="Dynamic"
Font-Size="10pt"
runat="server">
*
</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"
ErrorMessage="You must enter a whole number!"
Display="Dynamic"
runat="server">
*
</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"
ErrorMessage="Fields don't match!"
Display="Dynamic"
Font-Name="Tahoma"
Font-Size="10pt"
runat=server>
*
</asp:CompareValidator>
<BR><BR>
<asp:button
id="butOK"
text="OK"
Type="Submit"
runat="server"
/>
</Font>
</Form>
</BODY>
</HTML>
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