Validations

<asp:ValidationSummary ID="vsSummary" DisplayMode="BulletList" HeaderText="&lt;p&gt;&lt;b&gt;Please resolve the following problems:&lt;/b&gt;&lt;/p&gt;" ShowSummary="True" runat="server"  />
 
 
<asp:RequiredFieldValidator ID="rfvName" ControlToValidate="txtName"  ErrorMessage="Enter Name" runat="server" EnableClientScript="false" CssClass="">*</asp:RequiredFieldValidator>
 
 
<asp:CompareValidator ID="cvPayments" runat="server" ControlToValidate="txtPayments" Operator="DataTypeCheck"
 Type="Currency" EnableClientScript="false" CssClass="" ErrorMessage="A valid dollar amount">*</asp:CompareValidator>
 
 
<asp:RegularExpressionValidator ID="revEmail" ControlToValidate="txtEmail" ErrorMessage="Enter A Valid Email Address" ValidationExpression="^(([A-Za-z0-9]+_+)|([A-Za-z0-9]+\-+)|([A-Za-z0-9]+\.+)|([A-Za-z0-9]+\++))*[A-Za-z0-9]+@((\w+\-+)|(\w+\.))*\w{1,63}\.[a-zA-Z]{2,6}$" EnableClientScript="false" runat="server" CssClass="" >*</asp:RegularExpressionValidator>
 
 
<asp:CustomValidator ID="cvName" ControlToValidate="txtName" EnableClientScript="false" ErrorMessage="Please enter a name" Runat="server" OnServerValidate="cvName_ServerValidate" CssClass="validation"  >*</asp:CustomValidator>
 
protected void cvName_ServerValidate(object source, ServerValidateEventArgs args)
    {
        bool blnValidationPass = true;
 
        if (txtName.Text == "")
        {
            blnValidationPass = false;
            txtName.Focus();
        }
 
        args.IsValid = blnValidationPass;
 
    }