<configuration>

  <startup>

    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />

  </startup>

  <appSettings>

    <add key="bakName" value="WMSBAK"/>

    <add key="copyName" value="
  </appSettings>
  <connectionStrings>
    <add name="Default" connectionString="Data Source=.;Initial Catalog=PRELL;Persist Security Info=True;User ID=sa;PassWord=123456;Pooling=true;Max Pool Size=100000;Min Pool Size=0;Connection Lifetime=3000;packet size=32767;Connection Reset=false" providerName="System.Data.SqlClient"/>
  </connectionStrings>
</configuration>
獲取方法
namespace WMSBAK
{
    public class WMSBackUp