在调试运行时输入用户名密码可以通过验证,但发布之后同样的用户和密码就不行.Web.config文件如下:
<?xml version="1.0"?>
<configuration xmlns="http://schemas.microsoft.com/.NetConfiguration/v2.0">
<appSettings/>

<connectionStrings>
<add name="App_DataConnectionString" connectionString="Data Source=.\SQLEXPRESS;AttachDbFilename=\App_Data\ASPNETDB.MDF;Integrated Security=True;Connect Timeout=30;User Instance=True" providerName="System.Data.SqlClient" />

</connectionStrings>

<system.web>
<compilation debug="true" strict="false" explicit="true"/>
<pages>
<namespaces>
<clear/>
<add namespace="System"/>
<add namespace="System.Collections"/>
<add namespace="System.Collections.Specialized"/>
<add namespace="System.Configuration"/>
<add namespace="System.Text"/>
<add namespace="System.Text.RegularExpressions"/>
<add namespace="System.Web"/>
<add namespace="System.Web.Caching"/>
<add namespace="System.Web.SessionState"/>
<add namespace="System.Web.Security"/>
<add namespace="System.Web.Profile"/>
<add namespace="System.Web.UI"/>
<add namespace="System.Web.UI.WebControls"/>
<add namespace="System.Web.UI.WebControls.WebParts"/>
<add namespace="System.Web.UI.HtmlControls"/>
</namespaces>
</pages>
<authentication mode="Forms">
<forms name="Checked" loginUrl="default.aspx" protection="All" timeout="6000" />

</authentication>
<authorization>
</authorization>
</system.web>
</configuration>