小编And*_*rey的帖子

我有这样的设置的XML文件

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
    <configSections>
        <sectionGroup name="applicationSettings" type="System.Configuration.ApplicationSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" >
            <section name="UpdateReportService.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
        </sectionGroup>
    </configSections>
    <applicationSettings>
        <UpdateReportService.Properties.Settings>
            <setting name="Path" serializeAs="String">
                <value>C:\1</value>
            </setting>
            <setting name="Branch" serializeAs="String">
                <value>200</value>
            </setting>
            <setting name="b204" serializeAs="String">
                <value>192.168.1.55</value>
            </setting>
            <setting name="b200" serializeAs="String">
                <value>192.168.0.83</value>
            </setting>
            <setting name="Hour" serializeAs="String">
                <value>11</value>
            </setting>
        </UpdateReportService.Properties.Settings>
    </applicationSettings>
</configuration>

我想在安装程序期间将某些值更改为用户键入的值.

我在VB上找到示例并尝试将其转换为c#:

namespace InstallConfigurator
{
    [RunInstaller(true)]
    public class SettingsClass : Installer
    {
        public override void Install(System.Collections.IDictionary stateSaver)
        {
            Configuration config = ConfigurationManager.OpenExeConfiguration(Context.Parameters["TARGETDIR"].ToString() + "UpdateReportService.exe"); …

是否可以分配多个规则来验证输入？例如我有两条规则：

alphaRule: [
      v => /[a-zA-Z]+$/.test(v) || 'Field must only contain letters'
    ],
requiredRule: [
               v => !!v || "required field"
            ]

我有很多控件。其中一些仅需要 requiredRules，一些仅需要 alphaRule，而另一些则需要 alphaRule 和 requiredRule 的组合。

我可以把它结合在一起吗？

就像是

:rules = "alphaRule, requiredRule"

我有SQL查询:

SELECT DISTINCT t1.inn, 
                t1.idx, 
                (SELECT TOP 1 adr 
                 FROM   t2 
                 WHERE  t2.idx = t1.idx 
                        AND t2.inn = t1.inn) ADR, 
                (SELECT TOP 1 name 
                 FROM   t2 
                 WHERE  t2.idx = t1.idx 
                        AND t2.inn = t1.inn) NAME 
FROM   t1 

是否可以将一个子查询改为两个子查询？(即同时选择TOP 1 ADR和NAME).服务器:MS SQL 2008-2012.