<asp:TextBox ID="TextBox1" runat="server" onfocus="DisplayStartCal()"></asp:TextBox>
<asp:Calendar ID="Calendar_KEYIN_REPORT_START" style="display:block" runat="server" BackColor="White"><script language="javascript" type="text/javascript">
function DisplayStartCal() {
document.getElementById("Calendar_KEYIN_REPORT_START").style.display = "block";
} </script>想在選中編輯框的時候彈出日曆框。
但是在執行過程中提示:Uncaught TypeError: Cannot read property 'style' of null
兩個問題:
1. 怎麼修復上面的error?
2. 請問如果用jquery操作,要怎麼寫?(自己寫了個被控制台提示‘$’無法識別,=。 =)
仍然提示:Uncaught TypeError: Cannot read property 'style' of null
跟這個有關么?
<asp:Content ID="BodyContent" runat="server" ContentPlaceHolderID="MainContent">
<script language="javascript" type="text/javascript">
function DisplayStartCal() {
var elemt = document.getElementById("MainContent_Calendar_KEYIN_REPORT_START");
elemt.style.display = "block";
Uncaught TypeError: Cannot read property 'style' of null
}
這里的ClientID是asp:content+controlID的組合。elemt總是為null,感覺還是ID錯誤的原因。請高手指點下。
<asp:Content ID="HeaderContent" runat="server" ContentPlaceHolderID="HeadContent">
<style type="text/css">
.style1
{
width: 439px;
}
.style2
{
height: 19px;
}
</style>
</asp:Content>
<asp:Content ID="BodyContent" runat="server" ContentPlaceHolderID="MainContent">
<link rel="stylesheet" href="../Styles/YahooGridView.css" type="text/css"><script type="text/javascript" language="javascript" src="../Scripts/JScriptDataTime.js" charset="utf-8"></script><table border="1">
<tr>
<td width="40%">
<table border="0" cellspacing="0" cellpadding="0" width="100%" onclick="return false"> <tr>
<td><asp:Label ID="Label3" runat="server" Text="Serial_NO:"></asp:Label></td>
<td><input id="Text0" name="Text0" type="text" onkeydown="KEYIN_Serial_NO_CHANGED()" runat="server" />
<script type="text/javascript" language="javascript">
function KEYIN_Serial_NO_CHANGED() {
document.getElementById("Text0").Focus();
} </script>
<asp:Label
ID="Labeli0" runat="server" Text="Label" Visible="False" ForeColor="Red"></asp:Label>
</td>
</tr>
<tr>
<td><asp:Label ID="Label4" runat="server" Text="MCard_UA:"></asp:Label></td>
<td><input id="Text1" name="Text1" type="text" onkeydown="KEYIN_MCard_UA_CHANGED()" runat="server" /><asp:Label
ID="Labeli1" runat="server" Text="Label" Visible="False" ForeColor="Red"></asp:Label>
</td>
</tr>
<tr>
<td><asp:Label ID="Label5" runat="server" Text="MCard_SN:"></asp:Label></td>
<td><input id="Text2" name="Text2" type="text" onchange="KEYIN_MCard_SN_CHANGED" runat="server" /><asp:Label
ID="Labeli2" runat="server" Text="Label" Visible="False" ForeColor="Red"></asp:Label>
</td>
</tr>
<tr>
<td class="style2"><asp:Label ID="Label6" runat="server" Text="Docsis_Mac:"></asp:Label></td>
<td class="style2"><input id="Text3" name="Text3" type="text" onkeydown="KEYIN_Docsis_Mac_CHANGED" runat="server" /><asp:Label
ID="Labeli3" runat="server" Text="Label" Visible="False" ForeColor="Red"></asp:Label>
</td>
</tr>
<tr>
<td><asp:Label ID="Label7" runat="server" Text="SSID:"></asp:Label></td>
<td><input id="Text4" name="Text4" type="text" onkeydown="KEYIN_SSID_CHANGED" runat="server" /><asp:Label
ID="Labeli4" runat="server" Text="Label" Visible="False" ForeColor="Red"></asp:Label>
</td>
</tr>
<tr>
<td><asp:Label ID="Label8" runat="server" Text="Passphrase:"></asp:Label></td>
<td><input id="Text5" name="Text5" type="text" onkeydown="KEYIN_Passphrase_CHANGED" runat="server" /><asp:Label
ID="Labeli5" runat="server" Text="Label" Visible="False" ForeColor="Red"></asp:Label>
</td>
</tr>
<tr>
<td><asp:Label ID="Label9" runat="server" Text="Password:"></asp:Label></td>
<td><input id="Text6" name="Text6" type="text" onkeydown="KEYIN_Password_CHANGED" runat="server" /><asp:Label
ID="Labeli6" runat="server" Text="Label" Visible="False" ForeColor="Red"></asp:Label>
</td>
</tr>
<tr>
<td><asp:Label ID="Label10" runat="server" Text="Additional_Info:"></asp:Label></td>
<td><input id="Text7" name="Text7" type="text" onkeydown="KEYIN_Additional_Info_CHANGED" runat="server" /><asp:Label
ID="Labeli7" runat="server" Text="Label" Visible="False" ForeColor="Red"></asp:Label>
</td>
</tr>
<tr>
<td><asp:Label ID="Label11" runat="server" Text="Preshared_Key:"></asp:Label></td>
<td><input id="Text8" name="Text8" type="text" onkeydown="KEYIN_Preshared_Key_CHANGED" runat="server" /><asp:Label
ID="Labeli8" runat="server" Text="Label" Visible="False" ForeColor="Red"></asp:Label>
</td>
</tr>
<tr>
<td><asp:Label ID="Label12" runat="server" Text="Network_Key:"></asp:Label></td>
<td><input id="Text9" name="Text9" type="text" onkeydown="KEYIN_Network_Key_CHANGED" runat="server" /><asp:Label
ID="Labeli9" runat="server" Text="Label" Visible="False" ForeColor="Red"></asp:Label>
</td>
</tr>
<tr>
<td><asp:Label ID="Label13" runat="server" Text="WPS_Pin:"></asp:Label></td>
<td><input id="Text10" name="Text10" type="text" onkeydown="KEYIN_WPS_Pin_CHANGED" runat="server" /><asp:Label
ID="Labeli10" runat="server" Text="Label" Visible="False" ForeColor="Red"></asp:Label>
</td>
</tr>
<tr>
<td><asp:Label ID="Label14" runat="server" Text="Customer_Failure:"></asp:Label></td>
<td><input id="Text11" name="Text11" type="text" onkeydown="KEYIN_Customer_Failure_CHANGED" runat="server" /><asp:Label
ID="Labeli11" runat="server" Text="Label" Visible="False" ForeColor="Red"></asp:Label>
</td>
</tr>
<tr>
<td align="center">
<asp:Button ID="Insert" runat="server" Text="Insert" OnClick="Insert_KEYIN"/>
</td>
<td align="center">
<asp:Button ID="Cancel" runat="server" Text="Reset" OnClick="Cancel_KEYIN"/>
</td>
</tr>
</table>
</td>
<td width="20%"></td>
<td class="style1">
<table border="0" cellspacing="0" cellpadding="0" width="100%">
<tr>
<td>
<asp:Label ID="Label1" runat="server" Text="Start Date:"></asp:Label>
<asp:TextBox ID="TextBox1" runat="server" onfocus="HS_setDate(this)"></asp:TextBox>
</td>
</tr>
<tr>
<td>
<asp:Label ID="Label2" runat="server" Text="End Date:"></asp:Label>
<asp:TextBox ID="TextBox2" runat="server" onfocus="HS_setDate(this)"></asp:TextBox>
</td>
</tr>
<tr>
<td>
<asp:ImageButton ID="ImageButton1" runat="server"
ImageUrl="~/Styles/KEYIN_REPORT.jpg" onclick="ImageButton1_Click"
ToolTip="Go REPORT!!!" />
</td>
</tr>
</table>
</td>
</tr>
</table>
</asp:Content>請看到<td><input id="Text0">,想使用腳本強制設置焦點到下一個控件,結果getElementById還是無法返回正確的control對象。
苦惱了很久了。請大家指教啊。