System.ArgumentException: 不支持关键字: “provider”。
string connstr=ConfigurationSettings.AppSettings["Connection_comwrite"];
SqlConnection con ;
con=new SqlConnection(connstr);这一步出错,实在不知道whywhy
System.ArgumentException: 不支持关键字: “provider”。 at System.Data.Common.DBConnectionString.ParseInternal(Char[] connectionString, UdlSupport checkForUdl, NameValuePair& keychain) at System.Data.Common.DBConnectionString..ctor(String connectionString, UdlSupport checkForUdl) at System.Data.SqlClient.SqlConnectionString..ctor(String connectionString) at System.Data.SqlClient.SqlConnectionString.ParseString(String connectionString) at System.Data.SqlClient.SqlConnection.set_ConnectionString(String value) at System.Data.SqlClient.SqlConnection..ctor(String connectionString) at wd_ck.user.user_reg.Reset1_ServerClick(Object sender, EventArgs e) in d:\wwww\wd-ck\user\user_reg.aspx.cs:line 122