ValidationSummary DisplayMode=BulletList : ValidationSummary « Validation « ASP.NET Tutorial

<%@ Page Language="C#"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Using ValidationSummary</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
      
      Book
      <br />
      <asp:DropDownList ID="lstBooks" runat="server">
         <asp:ListItem Value="0" Selected="True">Please pick a book</asp:ListItem>
         <asp:ListItem Value="1">A</asp:ListItem>
         <asp:ListItem Value="2">B</asp:ListItem>
         <asp:ListItem Value="3">C</asp:ListItem>
      </asp:DropDownList>
      <asp:RequiredFieldValidator ID="reqBook" 
                                  runat="server" 
                                  ControlToValidate="lstBooks" 
                                  SetFocusOnError="true"
                                  Text="*"
                                  InitialValue="0" 
                                  Display="static" 
                                  ErrorMessage="Please choose a book from list"/>
      
      
      User Name:<br />
      <asp:TextBox ID="txtUserName" runat="server"></asp:TextBox>
      <asp:RequiredFieldValidator ID="reqUserName" 
                                  runat="server" 
                                  ControlToValidate="txtUserName" 
                                  SetFocusOnError="true"
                                  Text="*"
                                  Display="static" 
                                  ErrorMessage="Please enter a User Name"/>
      
      
      Password:<br />
      <asp:TextBox ID="txtPassword" runat="server"></asp:TextBox>
      <asp:RequiredFieldValidator ID="reqPassword" 
                                  runat="server" 
                                  ControlToValidate="txtPassword"  
                                  SetFocusOnError="true"
                                  Text="*"
                                  Display="static" 
                                  ErrorMessage="Please enter a password"/>
            
      
      <asp:ValidationSummary id="valSum" 
                             runat="server"   
                         DisplayMode="BulletList"
                         HeaderText="The following errors were found:"
                         ShowMessageBox="false" 
                         ShowSummary="true" />
      
      
      <asp:Button ID="btnSubmit" Text="Click this to test validation" runat="server" />
      
    </div>
    </form>
</body>
</html>

8.13.ValidationSummary
	8.13.1.	ValidationSummary displays a list of validation errors
	8.13.2.	Important properties of ValidationSummary control
	8.13.3.	Use ValidationSummary to display message box (C#)
	8.13.4.	RequiredFieldValidatorSummary DisplayMode
	8.13.5.	ValidationSummary DisplayMode=BulletList