Vb.net App.config-LocalSqlServer连接字符串
请参阅下面的代码:Vb.net App.config-LocalSqlServer连接字符串,vb.net,Vb.net,请参阅下面的代码: Public Shared Sub SyncConnectionStrings() Dim strCon As String Dim tyDatabase As typeDatabase Dim boolConfigChanged As Boolean 'Dim config As System.Configuration.Configuration = ConfigurationManager.OpenExeConfiguration(Con
Public Shared Sub SyncConnectionStrings()
Dim strCon As String
Dim tyDatabase As typeDatabase
Dim boolConfigChanged As Boolean
'Dim config As System.Configuration.Configuration = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None)
Dim config As Configuration = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None)
Dim strConnectionString As ConnectionStringSettings
For Each strConnectionString In ConfigurationManager.ConnectionStrings
'More code here, but irrelevant for this question.
Next
End Sub
代码循环遍历app.config文件中的所有连接字符串。
app.config
中有三个连接字符串,但找到了四个连接字符串。其中定义了:LocalSqlServer(这是ConfigurationManager.ConnectionStrings.Name
)吗?它在位于的Machine.config全局文件中定义
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CONFIG".
它是在安装NET.Framework时生成的,并且是在ASPNETDB上工作的工具所需要的
如果您不需要它,可以尝试将其添加到app.config中
<connectionStrings>
<clear/>
.....
.....
或者也
<connectionStrings>
<remove name="LocalSqlServer" />
我真的建议不要更改Machine.Config中的任何内容,除非您知道其副作用。您的Machine.Config中可能不仅仅包含LocalSqlServer。e、 我刚刚在Machine.config中有MySql连接的计算机上运行了我的应用程序 您可以使用
ConnectionString设置的ElementInformation
属性来确定其来源:
foreach (ConnectionStringSettings c in ConfigurationManager.ConnectionStrings)
{
ElementInformation elementInfo = c.ElementInformation;
String source = elementInfo.Source;
if (source == null)
{
//Machine.config
}
else
{
Console.WriteLine("{0} {1} {2}", c.Name, elementInfo.Source, c.ConnectionString);
}
}
谢谢你。你知道是否有办法只在app.config连接字符串上循环吗?答案已更新,不确定副作用,但你可以尝试,如果出现任何问题,恢复初始状态