asp.net动态修改web.config文件中connectionstringsettings节点时出错-- "该配置是只读的";
代码如下:
=================================================================
protected void Page_Load(object sender, EventArgs e)
{
SqlConnectionStringBuilder ssb = new SqlConnectionStringBuilder();
ssb.ConnectionString = @"Data Source=.\SQLEXPRESS;AttachDbFilename=|DataDirectory|\test__.dbf;";
ConfigurationManager.ConnectionStrings["xzy"].ConnectionString = ssb.ConnectionString;
}
===================================================================
web.config连接字符串节点代码:
<connectionStrings>
<add name="xzy" connectionString="Data Source=.\\SQLEXPRESS;AttachDbFilename=|DataDirectory|\\test__.dbf;" providerName="System.Data.SqlClient"/>
</connectionStrings>运行后出错:
===================================================================该配置是只读的。 异常详细信息: System.Configuration.ConfigurationErrorsException: 该配置是只读的。源错误:
行 28: SqlConnectionStringBuilder ssb = new SqlConnectionStringBuilder();
行 29: ssb.ConnectionString = @"Data Source=.\SQLEXPRESS;AttachDbFilename=|DataDirectory|\test__.dbf;";
行 30: ConfigurationManager.ConnectionStrings["xzy"].ConnectionString = ssb.ConnectionString;
行 31:
行 32: }
知道分太少了,但还请赐教!
代码如下:
=================================================================
protected void Page_Load(object sender, EventArgs e)
{
SqlConnectionStringBuilder ssb = new SqlConnectionStringBuilder();
ssb.ConnectionString = @"Data Source=.\SQLEXPRESS;AttachDbFilename=|DataDirectory|\test__.dbf;";
ConfigurationManager.ConnectionStrings["xzy"].ConnectionString = ssb.ConnectionString;
}
===================================================================
web.config连接字符串节点代码:
<connectionStrings>
<add name="xzy" connectionString="Data Source=.\\SQLEXPRESS;AttachDbFilename=|DataDirectory|\\test__.dbf;" providerName="System.Data.SqlClient"/>
</connectionStrings>运行后出错:
===================================================================该配置是只读的。 异常详细信息: System.Configuration.ConfigurationErrorsException: 该配置是只读的。源错误:
行 28: SqlConnectionStringBuilder ssb = new SqlConnectionStringBuilder();
行 29: ssb.ConnectionString = @"Data Source=.\SQLEXPRESS;AttachDbFilename=|DataDirectory|\test__.dbf;";
行 30: ConfigurationManager.ConnectionStrings["xzy"].ConnectionString = ssb.ConnectionString;
行 31:
行 32: }
知道分太少了,但还请赐教!
动态修改的原因很简单,想研究下ConfigurationManager类呀~ 呵~~
你可以把Config文件当做xml文件,用XmlDocument类进行读取、写入
2.在命令行執行 "net stop w3svc" 終止 w3svc 服務
3.切換到下层目錄 cd C:\Windows\Microsoft.Net\Framework\v2.0.50727\
4.執行 "aspnet_regiis.exe -ua" 卸载 .Net
5.重新安裝 .Net 到 IIS 中 执行 "aspnet_regiis.exe -i"
6.切換目錄到 cd C:\Windows\Microsoft.Net\Framework\
7.重新启動 w3svc 执行 "net start w3svc".
Settings.Designer.cs这个文件如何添加? 我现在项目里没有这个文件~~