database-connection

问题 Can someone please tell me why this doesnt work, when I tried to switch my old sql to sqli: $query = "SELECT * FROM `product_category`"; $result = mysql_query($query, $connect) or die("could not perform query: " . mysql_error()); $num_rows = mysql_num_rows($result); for ($i=0; $i < $num_rows; $i++) { $ID = mysql_result($result,$i,"ID"); $name = mysql_result($result,$i,"name"); $description = mysql_result($result,$i,"description"); to: $query = ("SELECT * FROM `product_category`"); $result =

问题 I've got a really simple class that is giving a strange error. It's quite simple one and has no relationship with another table. The strangest part is that seems to happen randomly but especially when my website had heavy load of requests... I use Nhibernate that is version 2.0.1.400. I had a search on net about it and most of them who had same problem say that is highly a bug of Nhibernate on forums... Anyone had have this kind of problem before? and came with a solution? Could this be a

问题 I've got a really simple class that is giving a strange error. It's quite simple one and has no relationship with another table. The strangest part is that seems to happen randomly but especially when my website had heavy load of requests... I use Nhibernate that is version 2.0.1.400. I had a search on net about it and most of them who had same problem say that is highly a bug of Nhibernate on forums... Anyone had have this kind of problem before? and came with a solution? Could this be a

问题 I have made a JSP website in NetBeans which I tried and tested on my local server through tomcat(using access database) and it worked fine. My web host has provided me the host, database name, username and password of the database. I want to configure my website to use this database. But I don't know how to do that. I have seen the system.properties file in web-inf/config folder whose content are like this: JNDI_NAME=java:com/env/Oracle/jndi db.login= db.password= driver=sun.jdbc.odbc

问题 I am looking for a solution to the following: Find a properly formatted connection string to SQL server compact edition file (.sdf) used as embedded resource, containing reference (i.e. read-only) data in WPF application. Note: please pay attention to the operative words [ Build Action ] set to " Embedded Resource " and " Do Not Copy " to the output directory settings. It means that the file will not be physically copied to the target computer as a stand-alone entity, but instead is embedded

问题 I have created a simple database in MYSQL, which I am trying to pull data from in a java program written in Eclipse. When I run the program in eclipse, it pulls out the data fine, but when I export the program into a runnable JAR, it just won't work!! I have addedthe mysql connector by using the "add External Archive" feature in the build path, and have checked that its there by using System.out.println("classpath = " + System.getProperty("java.class.path")); which gives the results:

问题 I have started using Google's Data Studio I found it very easy to turn the Excel data into Intuitive Business Dashboards with little or no coding skills. But I have a problem here, whenever I try to connect to Mysql DB (running on my local system) I'm facing error. Connection Details: Error Message: I tried googling the Error Code but No luck. But I'm able to access the local Mysql Server from Mysql Workbench. What is that I am missing here? Data Studio Heros? Thanks in advance. 回答1: Google

问题 I have started using Google's Data Studio I found it very easy to turn the Excel data into Intuitive Business Dashboards with little or no coding skills. But I have a problem here, whenever I try to connect to Mysql DB (running on my local system) I'm facing error. Connection Details: Error Message: I tried googling the Error Code but No luck. But I'm able to access the local Mysql Server from Mysql Workbench. What is that I am missing here? Data Studio Heros? Thanks in advance. 回答1: Google

问题 I'm trying to open a connection to a MySql database using the following code piece: string connectionString = "Server=ip_number;Database=database_name;Uid=uid;Password=password"; MySqlConnection connection; connection = new MySqlConnection(connectionString); connection.Open(); And here is the exception I get: I'm using the latest mysql connector (downloaded from here). What am I missing? Thanks in advance, 回答1: May you try this: Connection to server: string connectionString= "datasource

问题 I'm trying to open a connection to a MySql database using the following code piece: string connectionString = "Server=ip_number;Database=database_name;Uid=uid;Password=password"; MySqlConnection connection; connection = new MySqlConnection(connectionString); connection.Open(); And here is the exception I get: I'm using the latest mysql connector (downloaded from here). What am I missing? Thanks in advance, 回答1: May you try this: Connection to server: string connectionString= "datasource