<asp:ValidationSummary
????AccessKey="string"
????BackColor="color name|#dddddd"
????BorderColor="color name|#dddddd"
????BorderStyle="NotSet|None|Dotted|Dashed|Solid|Double|Groove|Ridge|
        Inset|Outset"
????BorderWidth="size"
????CssClass="string"
????DisplayMode="List|BulletList|SingleParagraph"
????EnableClientScript="True|False"
????Enabled="True|False"
????EnableTheming="True|False"
????EnableViewState="True|False"
????Font-Bold="True|False"
????Font-Italic="True|False"
????Font-Names="string"
????Font-Overline="True|False"
????Font-Size="string|Smaller|Larger|XX-Small|X-Small|Small|Medium|
        Large|X-Large|XX-Large"
????Font-Strikeout="True|False"
????Font-Underline="True|False"
????ForeColor="color name|#dddddd"
????HeaderText="string"
????Height="size"
????ID="string"
????OnDataBinding="DataBinding event handler"
????OnDisposed="Disposed event handler"
????OnInit="Init event handler"
????OnLoad="Load event handler"
????OnPreRender="PreRender event handler"
????OnUnload="Unload event handler"
????runat="server"
????ShowMessageBox="True|False"
????ShowSummary="True|False"
????SkinID="string"
????Style="string"
????TabIndex="integer"
????ToolTip="string"
????ValidationGroup="string"
????Visible="True|False"
????Width="size"
/>

 <h3>ValidationSummary Sample</h3>
<p>

<form id="Form1" runat="server">

   <table cellpadding="10">
      <tr>
         <td>
            <table bgcolor="#eeeeee" cellpadding="10">

               <tr>
                  <td colspan="3">
                     <b>Credit Card Information</b>
                  </td>
               </tr>
               <tr>
                  <td align="right">
                     Card Type:
                  </td>
                  <td>
                     <asp:RadioButtonList id="RadioButtonList1" 
                          RepeatLayout="Flow"
                          runat=server>

                        <asp:ListItem>MasterCard</asp:ListItem>
                        <asp:ListItem>Visa</asp:ListItem>

                     </asp:RadioButtonList>
                  </td>
                  <td align="middle" rowspan="1">
                     <asp:RequiredFieldValidator
                          id="RequiredFieldValidator1"
                          ControlToValidate="RadioButtonList1"
                          ErrorMessage="Card Type."
                          Display="Static"
                          InitialValue="" 
                          Width="100%" 
                          Text="*"
                          runat="server"/>
                  </td>
               </tr>
               <tr>
                  <td align="right">
                     Card Number:
                  </td>
                  <td>
                     <asp:TextBox id="TextBox1" 
                          runat="server" />
                  </td>
                  <td>
                     <asp:RequiredFieldValidator
                          id="RequiredFieldValidator2"
                          ControlToValidate="TextBox1" 
                          ErrorMessage="Card Number. "
                          Display="Static"
                          Width="100%"
                          Text="*" 
                          runat=server/>
                  </td>
               </tr>

               <tr>
                  <td></td>
                  <td>
                     <asp:Button id="Button1" 
                          Text="Validate" 
                          runat=server />
                  </td>
                  <td></td>
               </tr>
            </table>
         </td>
         <td valign=top>
            <table cellpadding="20">
               <tr>
                  <td>
                     <asp:ValidationSummary id="valSum" 
                          DisplayMode="BulletList"
                          EnableClientScript="true"
                          HeaderText="You must enter a value in the following fields:"
                          runat="server"/>
                  </td>
               </tr>
            </table>
         </td>
      </tr>
   </table>

</form>

 <h3>ValidationSummary Sample</h3>
<p>

<form id="Form1" runat="server">

   <table cellpadding="10">
      <tr>
         <td>
            <table bgcolor="#eeeeee" cellpadding="10">

               <tr>
                  <td colspan="3">
                     <b>Credit Card Information</b>
                  </td>
               </tr>
               <tr>
                  <td align="right">
                     Card Type:
                  </td>
                  <td>
                     <asp:RadioButtonList id="RadioButtonList1" 
                          RepeatLayout="Flow"
                          runat=server>

                        <asp:ListItem>MasterCard</asp:ListItem>
                        <asp:ListItem>Visa</asp:ListItem>

                     </asp:RadioButtonList>
                  </td>
                  <td align="middle" rowspan="1">
                     <asp:RequiredFieldValidator
                          id="RequiredFieldValidator1"
                          ControlToValidate="RadioButtonList1"
                          ErrorMessage="Card Type."
                          Display="Static"
                          InitialValue="" 
                          Width="100%" 
                          Text="*"
                          runat="server"/>
                  </td>
               </tr>
               <tr>
                  <td align="right">
                     Card Number:
                  </td>
                  <td>
                     <asp:TextBox id="TextBox1" 
                          runat="server" />
                  </td>
                  <td>
                     <asp:RequiredFieldValidator
                          id="RequiredFieldValidator2"
                          ControlToValidate="TextBox1" 
                          ErrorMessage="Card Number. "
                          Display="Static"
                          Width="100%"
                          Text="*" 
                          runat=server/>
                  </td>
               </tr>

               <tr>
                  <td></td>
                  <td>
                     <asp:Button id="Button1" 
                          Text="Validate" 
                          runat=server />
                  </td>
                  <td></td>
               </tr>
            </table>
         </td>
         <td valign=top>
            <table cellpadding="20">
               <tr>
                  <td>
                     <asp:ValidationSummary id="valSum" 
                          DisplayMode="BulletList"
                          EnableClientScript="true"
                          HeaderText="You must enter a value in the following fields:"
                          runat="server"/>
                  </td>
               </tr>
            </table>
         </td>
      </tr>
   </table>

</form>