What version of the MySQL library are you using? I'm using MySql.Data 6.5.4 from NuGet <http://nuget.org/packages/Mysql.Data> and it's working for me on Mono 3.0.2.
My connection string looks like this: Server=10.0.2.1; Database=daniel15_dev; Uid=username; Pwd=password; On Mon, Dec 10, 2012 at 12:46 AM, lth3726381 <lth3726...@gmail.com> wrote: > Thanks 4 your reply: > > I tried the correct username and pwd,but there is another similar question: > > > System.ArgumentNullException: Argument cannot be null. > Parameter name: key > at System.Resources.ResourceManager.InternalGetResourceSet > (System.Globalization.CultureInfo culture, Boolean createIfNotExists, > Boolean tryParents) [0x0023c] in > > /home/l/桌面/mono_src/mcs/class/corlib/System.Resources/ResourceManager.cs:439 > at System.Resources.ResourceManager.InternalGetResourceSet > (System.Globalization.CultureInfo culture, Boolean createIfNotExists, > Boolean tryParents) [0x00209] in > > /home/l/桌面/mono_src/mcs/class/corlib/System.Resources/ResourceManager.cs:430 > at System.Resources.ResourceManager.InternalGetResourceSet > (System.Globalization.CultureInfo culture, Boolean createIfNotExists, > Boolean tryParents) [0x00209] in > > /home/l/桌面/mono_src/mcs/class/corlib/System.Resources/ResourceManager.cs:430 > at System.Resources.ResourceManager.GetString (System.String name, > System.Globalization.CultureInfo culture) [0x0002e] in > > /home/l/桌面/mono_src/mcs/class/corlib/System.Resources/ResourceManager.cs:252 > at MySql.Data.MySqlClient.Properties.Resources.get_PerfMonCategoryName () > [0x00000] in <filename unknown>:0 > at MySql.Data.MySqlClient.PerformanceMonitor..ctor > (MySql.Data.MySqlClient.MySqlConnection connection) [0x00000] in <filename > unknown>:0 > at MySql.Data.MySqlClient.MySqlConnection.Open () [0x00000] in <filename > unknown>:0 > at Tutorial1.Main () [0x00019] in /home/l/Projects/MySql/MySql/Main.cs:17 > Done. > > > My connetion string is : > string connStr = > "server=localhost;user=root;database=exp;port=3306;password=l;"; > and I tried: > string connStr = "Server=localhost;" + "Database=exp;" + "User ID=root;" + > "Password=l;" + "Pooling=false"; > > the user and password is correct. > > BTW , my program run corrected before I compiled the new mono source. > > > > -- > View this message in context: > http://mono.1490590.n4.nabble.com/mysql-connector-ArgumentNullException-tp4657666p4657714.html > Sent from the Mono - Dev mailing list archive at Nabble.com. > _______________________________________________ > Mono-devel-list mailing list > Mono-devel-list@lists.ximian.com > http://lists.ximian.com/mailman/listinfo/mono-devel-list >
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