';的类型初始值设定项;System.Windows.Navigation.BaseUriHelper';引

本文关键字:Windows System BaseUriHelper Navigation 类型 | 更新日期: 2023-09-27 18:26:31

在VS2012中,WPF项目在添加连接字符串后,得到错误

"System.Windows.Application"的类型初始值设定项引发异常

"System.Windows.Navigation.BaseUriHelper"的类型初始值设定项引发异常

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
    <connectionstrings>
      <add connectionstring="Data Source=x.x.x.x; User Id=sa;Password=abc; Initial Catalog=hello;" name="ConString"/>
    </connectionstrings>
    <startup> 
        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
    </startup>
</configuration>

';的类型初始值设定项;System.Windows.Navigation.BaseUriHelper';引

connection带大写字母的字符串S

<connectionStrings>相同。资本S

XML区分大小写。