database-connection

[Solved] What is the best way to have only single database connection throughout whole android app life?

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[ad_1] THere is no way, not how you’re doing it. You’re making individual HTTP connections for each request. Unless your webserver only maintains a single instance of a database connection for all requests, its going to create new ones for each request (this would also mean your website only has a single server- in other … Read more

[Solved] DriverManager.getConnection(“jdbc:odbc:thin:@localhost:1521:orcl”,”shaheena”,”shaheena”);error: cannot find symbol DriverManager, Statement st

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[ad_1] DriverManager.getConnection(“jdbc:odbc:thin:@localhost:1521:orcl”,”shaheena”,”shaheena”);error: cannot find symbol DriverManager, Statement st [ad_2] solved DriverManager.getConnection(“jdbc:odbc:thin:@localhost:1521:orcl”,”shaheena”,”shaheena”);error: cannot find symbol DriverManager, Statement st

[Solved] Method to query data from Oracle database in C# [closed]

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[ad_1] Have you seen MSDN Document as it clearly says in the class definiton [ObsoleteAttribute(“OracleConnection has been deprecated. http://go.microsoft.com/fwlink/?LinkID=144260”, false)] public sealed class OracleConnection : DbConnection, ICloneable Follow the link mentioned in attribute constructor parameter (Oracle and ADO.NET) You should rather use the specific Data provider from Oracle An Example: Connecting to Oracle Database through … Read more

[Solved] Access denied for user ‘test123’@’192.168.0.38’ (using password: NO)

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[ad_1] If you check the documentation for the mysql_connect function, you will see that the params it takes is: Server, Username, Password in that order. You send your password in as username instead of the other way. I would recommend that you take a look at PDO or mysqli instead of using the deprecated mysql_* … Read more

[Solved] Error while saving changes to custom config file [closed]

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[ad_1] Requirements using System.Configuration; Read var appSettings = ConfigurationManager.AppSettings; string result = appSettings[key] ?? “Not Found”; Write var configFile = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None); var settings = configFile.AppSettings.Settings; if (settings[key] == null) { settings.Add(key, value); } else { settings[key].Value = value; } configFile.Save(ConfigurationSaveMode.Modified); ConfigurationManager.RefreshSection(configFile.AppSettings.SectionInformation.Name); [ad_2] solved Error while saving changes to custom config file [closed]