js小技巧

//回車與點擊事件的結合

<script language="javascript" type="text/javascript">
        function checkSearch()
        {
            var SearchTxt = document.getElementById("<%=TextBox_Search.ClientID %>");
            if(SearchTxt.value == "")
            {
                alert("請輸入查詢內容");
                SearchTxt.focus();
                return false;
            }
            else
            {
                window.location = 'SearchList.aspx?key=' + SearchTxt.value;
                return true;
            }
        }

        function document.onkeydown()
        {
            if(event.keyCode==13)
            {
                document.getElementById("<%=LinkButtonSearch.ClientID %>").onclick();
                return false;
            }
        }
}
            <tr>
                <td width="144">
                    <label>
                        <asp:TextBox ID="TextBox_Search" MaxLength="200" runat="server" TextMode="SingleLine" Style="border: 0px;
                            height: 15px" size="19"></asp:TextBox>
                    </label>
                </td>
                <td width="26">
                    <div class="btn">
                        <asp:LinkButton ID="LinkButtonSearch" runat="server" OnClientClick="return checkSearch();"></asp:LinkButton>
                    </div>
                </td>
            </tr>