在其他PC上安装我的s / w后,无法在其他PC上使用LocalDB

时间:2016-06-05 06:43:24

标签: c# mysql .net windows visual-studio

我在c#中创建了一个测验应用程序。 我创建了一个本地数据库。当我在我的电脑上发出命令 sqllocal info 它显示了我的数据库。它在同一台PC上工作正常。但是当我安装我的应用程序时,我得到以下错误:

但是当我在其他电脑上运行相同的应用程序时,它会给我错误

  

有关调用实时的详细信息,请参阅此消息的结尾   (JIT)调试而不是此对话框。

     

**************异常文本************** System.Data.SqlClient.SqlException(0x80131904):网络相关或   建立连接时发生特定于实例的错误   SQL Server。服务器未找到或无法访问。校验   实例名称正确且SQL Server配置为   允许远程连接。 (提供者:SQL网络接口,错误:52    - 无法找到本地数据库运行时安装。验证是否已正确安装SQL Server Express以及本地数据库   运行时功能已启用。)---> System.ComponentModel.Win32Exception   (0x80004005):系统找不到指定的文件   System.Data.SqlClient.SqlInternalConnection.OnError(SQLEXCEPTION   exception,Boolean breakConnection,Action 1 wrapCloseInAction) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose) at System.Data.SqlClient.TdsParser.Connect(ServerInfo serverInfo, SqlInternalConnectionTds connHandler, Boolean ignoreSniOpenTimeout, Int64 timerExpire, Boolean encrypt, Boolean trustServerCert, Boolean integratedSecurity, Boolean withFailover) at System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, SecureString newSecurePassword, Boolean ignoreSniOpenTimeout, TimeoutTimer timeout, Boolean withFailover) at System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(ServerInfo serverInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString connectionOptions, SqlCredential credential, TimeoutTimer timeout) at System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(TimeoutTimer timeout, SqlConnectionString connectionOptions, SqlCredential credential, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance) at System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, SqlCredential credential, Object providerInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString userConnectionOptions, SessionData reconnectSessionData) at System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions) at System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnectionPool pool, DbConnection owningObject, DbConnectionOptions options, DbConnectionPoolKey poolKey, DbConnectionOptions userOptions) at System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject, DbConnectionOptions userOptions, DbConnectionInternal oldConnection) at System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject, DbConnectionOptions userOptions, DbConnectionInternal oldConnection) at System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection) at System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource 1 retry,DbConnectionOptions   userOptions,DbConnectionInternal&连接)   System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(的DbConnection   owningConnection,TaskCompletionSource 1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection) at System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource 1次重试,DbConnectionOptions userOptions)at at   System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(的DbConnection   outerConnection,DbConnectionFactory connectionFactory,   TaskCompletionSource 1 retry, DbConnectionOptions userOptions) at System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource 1   重试)   System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1   重试)在System.Data.SqlClient.SqlConnection.Open()处   System.Data.Common.DbDataAdapter.FillInternal(DataSet数据集,   DataTable [] datatables,Int32 startRecord,Int32 maxRecords,String   srcTable,IDbCommand命令,CommandBehavior行为)at   System.Data.Common.DbDataAdapter.Fill(DataTable [] dataTables,Int32   startRecord,Int32 maxRecords,IDbCommand命令,CommandBehavior   在System.Data.Common.DbDataAdapter.Fill(DataTable   dataTable)at   MITCOE.TestDataSetTableAdapters.TableTableAdapter.Fill(TableDataTable   dataTable)在MITCOE.Form2.Form2_Load(对象发送者,EventArgs e)
  在System.Windows.Forms.Form.OnLoad(EventArgs e)at   System.Windows.Forms.Form.OnCreateControl()at   System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible)
  在System.Windows.Forms.Control.CreateControl()at   System.Windows.Forms.Control.WmShowWindow(Message& m)at   System.Windows.Forms.Control.WndProc(Message& m)at   System.Windows.Forms.ScrollableControl.WndProc(Message& m)at   System.Windows.Forms.ContainerControl.WndProc(Message& m)at   System.Windows.Forms.Form.WmShowWindow(Message& m)at   System.Windows.Forms.Form.WndProc(Message& m)at   System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)   在System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message&   m)在System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd,Int32)   msg,IntPtr wparam,IntPtr lparam)   ClientConnectionId:00000000-0000-0000-0000-000000000000错误   号:2,状态:0,类别:20

     

当我写sqllocal信息时,它给了我

     

' sqllocal'不被视为内部或外部命令,   可操作程序或批处理文件。

那么为什么我的localdb不能在其他PC上运行

1 个答案:

答案 0 :(得分:0)

您需要在已安装的PC上安装sqlexpress,或者您可以在应用程序中包含sql lite并在首次运行时显示该位置。