我在另一个div里面有几个div.
我想做一个if语句,如果top div中的div包含class,则为true.
HTML
<div class="toDiv">
<div>
</div>
<div class="on">
</div>
</div>
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jquery ..
if ($(".toDiv").contains("on")) {
// do something
}
Run Code Online (Sandbox Code Playgroud) 我正在尝试加载用户的数据编辑它然后保存它.这一直在工作,我不太确定我改变了什么,但现在我收到以下错误...
Value cannot be null.
Parameter name: value
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.ArgumentNullException: Value cannot be null.
Parameter name: value
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack …Run Code Online (Sandbox Code Playgroud) Dim number As String = "07747(a)"
If number.... Then
endif
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我希望能够检查字符串内部以查看它是否只有数字,如果它只包含数字然后运行if语句中的任何内容?我用什么检查来检查字符串是否只包含数字而不包含alpha ot()等.?
我想要检查的是移动号码,所以应该接受077 234 211,但其他alpha不应该被接受
<asp:TextBox ID="txtBodySMS" runat="server" Rows="10"
TextMode="MultiLine" Width="100%"></asp:TextBox>
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这是我的文本框.如何限制用户在其中键入的字符数?
string to = "email@hotmail.co.uk";
string body = "Test";
SmtpClient SMTPServer = new SmtpClient("127.0.0.1");
MailMessage mailObj = new MailMessage(urEmail, to, subject, body);
SMTPServer.Send(mailObj);
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这就是我目前发送测试电子邮件的方式.我如何制作这个HTML并能够通过添加图像等使发送的电子邮件看起来更好?
谢谢
我试图创建一个获取URL的Web服务,www.domain.co.uk/prices.csv然后读取csv文件.这可能吗?怎么样?理想情况下无需下载csv文件?
java.text.DateFormat dateFormat = android.text.format.DateFormat.getDateFormat(getApplicationContext());
String date = dateFormat.format(new Date());
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目前我可以使用此代码以dd/mm/yyyy格式获取时间.
我想得到的是没有格式化的日期和时间..所以
15/04/2011 12:00:00我想:
15042011120000
?
我正在使用自定义滚动,在Chrome中运行良好...但它在Firefox或IE9中不起作用.
这是CSS:
::-webkit-scrollbar {
width: 7px;
height: 1px;
}
::-webkit-scrollbar-thumb
{
height: 1em;
background: #ccc -webkit-gradient(linear, 0% 0%, 0% 100%, from(rgb(240, 240, 240)), to(rgb(250, 250, 250)));
-webkit-border-radius: 5px;
}
::-webkit-scrollbar-button:end:increment {
background:url(../images/down.png) center no-repeat;
}
::-webkit-scrollbar-button:start:decrement
{
background:url(../images/up.png) center no-repeat;
}
Run Code Online (Sandbox Code Playgroud) 我收到了错误
Handles clause requires a WithEvents variable defined in the containing type or one of its base types.
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在以下代码中..
Public Sub selCurrentManuf_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) _
Handles selCurrentManuf.SelectedIndexChanged
End Sub
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随附的下拉列表如下......
<asp:DropDownList
OnSelectedIndexChanged="selCurrentManuf_SelectedIndexChanged"
selectedvalue='<%#Container.DataItem("c1_manufidcurrent")%>'
ID="selCurrentManuf"
Runat="Server"
DataTextField="c4_Desc"
DataValueField="c4_manufid"
DataSource="<%# GetCurrentManuf() %>"
autopostback="true"
></asp:DropDownList>
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