[英]Get multiple connection strings from web.config
如何通過C#中的代碼從web.config獲取所有連接字符串的名稱?
我試過這個:
System.Configuration.Configuration webConfig = System.Web.Configuration.WebConfigurationManager.OpenWebConfiguration("~");
ConnectionStringsSection x = webConfig.ConnectionStrings;
string here = x.SectionInformation.Name;
foreach (ConnectionStringSettings c in System.Configuration.ConfigurationManager.ConnectionStrings)
{
//use c.Name
}
這是如何使用LINQ獲取連接字符串名稱列表:
List<string> names = ConfigurationManager.ConnectionStrings
.Cast<ConnectionStringSettings>()
.Select(v => v.Name)
.ToList();
或者您可以構建它的字典:
Dictionary<string/*name*/, string/*connectionString*/> keyValue = ConfigurationManager.ConnectionStrings
.Cast<ConnectionStringSettings>()
.ToDictionary(v => v.Name, v => v.ConnectionString);
不是特定於連接字符串,但可能會有所幫助。
System.Web.HttpContext ctx = System.Web.HttpContext.Current;
Configuration config;
if (ctx != null)
config = WebConfigurationManager.OpenWebConfiguration(ctx.Request.ApplicationPath);
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