mysql-connector

问题 i started a site based on asp.net MVC 3 and MySql i got the membership to work with the MySQL .NET connector so with the default application you get with a new project of mvc 3 i have a working register form and a working login form but... how do i add more fields to the registration form? i know how to add them my model and to the page.. but how do i make the membership keep this new data ill get for the user? will i have to make the columns in the database by myself? or does membership

问题 I want to use MySqlParameter to pass tableName into query (to prevent slq injections) MySqlCommand cmd = new MySqlCommand("select * from @table"), cn) cmd.Parameters.AddWithValue("@table",TableName); But this is not working. How can I pass tableName as parameter P.S. I tried to change @ to ? - not working 回答1: You cannot pass table name as parameter. You have to use dynamic SQL to do this, so you have to string concentration to do it, for example MySqlCommand cmd = new MySqlCommand(String

问题 How can I connect to remote MySQL database through SSH from java application? Small code example is helpful for me and I'd appreciate this. 回答1: My understanding is that you want to access a mysql server running on a remote machine and listening on let's say port 3306 through a SSH tunnel. To create such a tunnel from port 1234 on your local machine to port 3306 on a remote machine using the command line ssh client, you would type the following command from your local machine: ssh -L 1234

问题 HOW IT SHOULD WORK : User clicks on a listbox with multitude of IDs. Then, the edit controls are filed with the data from the specified ID (row). HOW IT WORKS : It crashes at res->getString case LBN_SELCHANGE: { string str; int index = SendMessage(GetDlgItem(hwnd, IDC_lbList), LB_GETCURSEL, 0, 0); string sint = boost::lexical_cast<std::string>(index); string smt="SELECT client, telnr, atnrem, papatn, gedapr FROM tremreg WHERE id = "; string query = smt + sint; res = stmt->executeQuery(query.c

问题 There is no way to upgrade MySQL from 3.23 But I need to make an application with .NET C# to connect to this version of MySQL I downloaded Connector/Net from mysql official site, but I get this error: An unhandled exception of type 'System.NotSupportedException' occurred in MySql.Data.dll Additional information: Connector/Net no longer supports server versions prior to 5.0 Any Ideas? 回答1: It seems that you use error Connector/Net to MySQL, you should download lower version Connector/Net to

问题 I can't get MySQL 8.0 jdbc driver set up in Netbeans. Can anyone help? My Netbeans 8.0 IDE was set up using an older version of the MySQL JDBC Driver, 5.1.23. I upgraded MySQL to 8.0 and am trying to setup a new JDBC Driver in Netbeans because the old driver isn't able to connect to the new DB (*see note at end). These are the steps I followed. Step 1: I removed the old mysql driver jar file from D:\Program Files\NetBeans 8.0\ide\modules\ext and copied the new mysql-connector-java-8.0.12.jar

问题 ResultSet *search; .... .... search= prepareStatement->executeQuery(); while (search->next()) { cout << "Email Found: " << search->getString("EmailColumn") << endl; //crashes here } From the code above, calling getString() function actually gets the value from the database. But then it crashes the program. It displays the value then crashes the program. I discovered the problem but couldn't fix it. I can't tell if this is a bug or something else . The problem only happens when the length of

问题 I'm stuck in a huge and old project (j2sdk 1.4.2, Tomcat 4.1.29, MySQL 5.0.51a) that I need to install a new development environment for at work. I've got a MySQL DB that is accessed by my Tomcat, which treats request from my Java application. In that DB, some tables contain boolean values that are needed by my application. So, in the application, a prepared statement is made, parameters are added to it, then the request is launched and the result set of this request is stored inside of a

问题 EDITED: My Problem is the errors at the bottom of this post. Heres my additional include directories C:\Program Files\boost C:\Program Files\MySQL\MySQL Connector C++ 1.1.3\include C:\Program Files\MySQL\MySQL Server 5.6\include Additional Library Directories C:\Program Files\MySQL\MySQL Server 5.6\lib C:\Program Files\MySQL\Connector C++ 1.1.2\lib\opt Additional Dependencies libmysql.lib mysqlcppconn-static.lib Heres my code #include <iostream> #include <cstdio> #include <cstdlib> using

问题 I am using the latest development version of the connector - 6.3.3 beta to connect to a mysql database via the Entity Framework 4 in VS2010. I have the following Linq statement which uses a TIMESTAMP column - createdDate - in the query. Here is the code: int timeThreshold = 5; DateTimeOffset cutoffTime = DateTime.Now.AddMinutes(-timeThreshold); using (var context = new opusismEntities()) { var unprocessedMessages = from m in context.messages where m.createdDate <= cutoffTime select m; try {