如何从Lightswitch调用MySQL存储过程?
我按照说明尝试从LightSwitch 2012应用程序中调用(无参数)MySQL SP。所引用的说明适用于SQL Server SP 以下是相关代码:如何从Lightswitch调用MySQL存储过程?,mysql,sql,sql-server,visual-studio-lightswitch,lightswitch-2012,Mysql,Sql,Sql Server,Visual Studio Lightswitch,Lightswitch 2012,我按照说明尝试从LightSwitch 2012应用程序中调用(无参数)MySQL SP。所引用的说明适用于SQL Server SP 以下是相关代码: using System; using System.Configuration; using System.Data; using System.Data.SqlClient; using System.Linq; namespace LightSwitchApplication { public partial class Sto
using System;
using System.Configuration;
using System.Data;
using System.Data.SqlClient;
using System.Linq;
namespace LightSwitchApplication
{
public partial class StoredProcceduresService
{
partial void MakeMasterOperations_Inserting(MakeMasterOperation entity)
{
using (SqlConnection connection = new SqlConnection())
{
string connectionStringName = this.DataWorkspace.SystemInfo.Details.Name;
connection.ConnectionString = ConfigurationManager.ConnectionStrings[connectionStringName].ConnectionString;
string storedProcedure = "make_master";
using (SqlCommand command = new SqlCommand(storedProcedure, connection))
{
command.CommandType = CommandType.StoredProcedure;
connection.Open();
command.ExecuteNonQuery();
}
}
this.Details.DiscardChanges();
}
}
}
这在connection.Open()上失败代码>带有SqlException“用户‘root’登录失败”。我知道userid和password是可以的,因为使用相同连接字符串的其他数据库操作在LightSwitch中可以正常工作
可以在LightSwitch中调用MySQL SP吗?如果是,怎么做?嗯,我找到了答案
为了使用MySQL而不是SQL Server,必须在服务器项目中添加对MySQL.Data的引用,并将代码更改为:
using System;
using System.Configuration;
using System.Data;
using System.Linq;
using MySql.Data.MySqlClient;
namespace LightSwitchApplication
{
public partial class StoredProcceduresService
{
partial void MakeMasterOperations_Inserting(MakeMasterOperation entity)
{
using (MySqlConnection connection = new MySqlConnection())
{
string connectionStringName = this.DataWorkspace.SystemInfo.Details.Name;
connection.ConnectionString = ConfigurationManager.ConnectionStrings[connectionStringName].ConnectionString;
string storedProcedure = "make_master";
using (MySqlCommand command = new MySqlCommand(storedProcedure, connection))
{
command.CommandType = CommandType.StoredProcedure;
connection.Open();
command.ExecuteNonQuery();
}
}
this.Details.DiscardChanges();
}
}
}
糟糕的是,似乎没有一个公共基类允许根据所使用的DB服务器进行实例化