Pass variable between web pages.

Suppose I have two pages. Page one is just creating users, The code likes

<asp:CreateUserWizard ID="CreateUserWizard2" runat="server" BackColor="#FFFBD6" 
           BorderColor="#FFDFAD" BorderStyle="Solid" BorderWidth="1px" 
           Font-Names="Verdana" Font-Size="0.8em" 
    OnCreatedUser="CreateUserWizard1_CreatedUser" DisableCreatedUser="true" 
           LoginCreatedUser="false" ActiveStepIndex="2">
            <WizardSteps>
                <asp:WizardStep ID="CreateUserWizardStep0" runat="server">
                    <table>
                        <tr>
                            <th>Account Information</th>
                        </tr>
                        <tr>
                            <td>First Name:</td>
                            <td>
                                <asp:TextBox runat="server" ID="FirstName" MaxLength="50" />
                                <asp:RequiredFieldValidator runat="server" ID="RequiredFieldValidator1" ControlToValidate="FirstName"
                                     ErrorMessage="First Name is required." />
                            </td>
                        </tr> 
                        <tr>
                            <td>Last Name:</td>
                            <td>
                                <asp:TextBox runat="server" ID="LastName" MaxLength="50" Columns="15" 
                                    Width="127px" />
                                <asp:RequiredFieldValidator runat="server" ID="RequiredFieldValidator2" ControlToValidate="LastName"
                                     ErrorMessage="Last Name is required." />
                            </td>
                        </tr>  

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Then I want to display the information on page two generated from page one by the user's input. Thus needs to pass variables.
How to?