请问如何在.vb获取ItemTemplate中TextBox中的值？

Question

<InsertItemTemplate>
                <table style="width: 415px">
                    <tr>
                        <td colspan="3">
                           </td>
                    </tr>
                    <tr>
                        <td style="width: 100px; text-align: right">
                            用 户 名：</td>
                        <td style="width: 91px">
                <asp:TextBox ID="username" runat="server" Text='<%# Bind("username") %>'>
                </asp:TextBox></td>
                        <td style="width: 143px">
                <asp:RequiredFieldValidator ID="uname" runat="server"  ControlToValidate="username" Text="请输入用户名!"></asp:RequiredFieldValidator>
                            </td>
                    </tr>
                    <tr>
                        <td style="width: 100px; text-align: right">
                            密码：</td>
                        <td style="width: 91px">
                            <asp:TextBox ID="password" runat="server" Text='<%# Bind("passowrd") %>' TextMode="Password" OnTextChanged="password_TextChanged"></asp:TextBox></td>
                        <td style="width: 143px">
                            <asp:RequiredFieldValidator ID="rfp" runat="server" ControlToValidate="password"
                                Display="Dynamic" ErrorMessage="请输入密码!" Text="请输入密码!" ></asp:RequiredFieldValidator>
                            <asp:RegularExpressionValidator ID="rgpl" runat="server" ControlToValidate="password"
                                ErrorMessage="密码长度必须大于五位" ValidationExpression=".{6,}"></asp:RegularExpressionValidator></td>
                    </tr>
                    <tr>
                        <td style="width: 100px; text-align: right">
                            确认密码：</td>
                        <td style="width: 91px">
                            <asp:TextBox ID="cpassoord" runat="server" Text='' TextMode="Password" OnTextChanged="cpassoord_TextChanged"></asp:TextBox></td>
                        <td style="width: 143px">
                            <asp:CompareValidator ID="cpp" runat="server" ControlToCompare="password" ControlToValidate="cpassoord"
                                ErrorMessage="两次输入的密码不一致" ValueToCompare="0"></asp:CompareValidator></td>
                    </tr>
                    <tr>
                        <td style="width: 100px; text-align: right">
                            电子邮件：</td>
                        <td style="width: 91px">
                <asp:TextBox ID="email" runat="server" Text='<%# Bind("email") %>'></asp:TextBox></td>
                        <td style="width: 143px">
                            <asp:RequiredFieldValidator ID="rfemail" runat="server" ControlToValidate="email"
                                ErrorMessage="请输入e-mail!"></asp:RequiredFieldValidator>
                            <asp:RegularExpressionValidator ID="remail" runat="server" ControlToValidate="email"
                                ErrorMessage="电子邮件的格式不正确！" ValidationExpression="\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*"></asp:RegularExpressionValidator></td>
                    </tr>
                    <tr>
                        <td style="width: 100px">
                            <div align="right">
                                提示问题：</div>
                        </td>
                        <td style="width: 91px">
                <asp:TextBox ID="questionTextBox" runat="server" Text='<%# Bind("question") %>'>
                </asp:TextBox></td>
                        <td style="width: 143px">
                            <asp:RequiredFieldValidator ID="RFqu" runat="server" ErrorMessage="请输入提示问题！" ControlToValidate="questionTextBox"></asp:RequiredFieldValidator></td>
                    </tr>
                    <tr>
                        <td style="width: 100px">
                            <div align="right">
                                提示答案：</div>
                        </td>
                        <td style="width: 91px">
                <asp:TextBox ID="answerTextBox" runat="server" Text='<%# Bind("answer") %>'>
                </asp:TextBox></td>
                        <td style="width: 143px">
                            <asp:RequiredFieldValidator ID="Rfan" runat="server" ControlToValidate="answerTextBox"
                                ErrorMessage="请输入提示答案！"></asp:RequiredFieldValidator></td>
                    </tr>
                    <tr>
                        <td style="width: 100px">
                        </td>
                        <td style="width: 91px">
                <asp:LinkButton ID="InsertButton" runat="server" CausesValidation="True" CommandName="Insert"
                    Text="插入" OnClick="InsertButton_Click">
                </asp:LinkButton><asp:LinkButton ID="InsertCancelButton" runat="server" CausesValidation="False" CommandName="Cancel"
                    Text="取消">
                </asp:LinkButton></td>
                        <td style="width: 143px">
                        </td>
                    </tr>
                </table>
                &nbsp;
            </InsertItemTemplate>请问如何在.vb中获取如ID="password"的TextBox中的值？

Answer 1

TextBox tb=(TextBox)e.Item.FindControl("TextBox1");