Asp.net 调用OleDbConnection打开方法时发生OLEDBEException
我正在尝试在asp net mvc应用程序中操作excel 2010文件 代码如下:Asp.net 调用OleDbConnection打开方法时发生OLEDBEException,asp.net,.net,asp.net-mvc,ado.net,asp.net-mvc-4,Asp.net,.net,Asp.net Mvc,Ado.net,Asp.net Mvc 4,我正在尝试在asp net mvc应用程序中操作excel 2010文件 代码如下: string connectionString = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=c:\teste.xlsx;Extended Properties=\"Excel 12.0 Xml;HDR=YES\";"; OleDbConnection conexao = new OleDbConnection(connectionString); conex
string connectionString = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=c:\teste.xlsx;Extended Properties=\"Excel 12.0 Xml;HDR=YES\";";
OleDbConnection conexao = new OleDbConnection(connectionString);
conexao.Open();
Open()方法引发了一个异常,我无法找到原因
例外情况:
Erro: System.Data.OleDb.OleDbException (0x80004005): Failure creating file.
at System.Data.OleDb.OleDbConnectionInternal..ctor(OleDbConnectionString constr, OleDbConnection connection)
at System.Data.OleDb.OleDbConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningObject)
at System.Data.ProviderBase.DbConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions)
at System.Data.ProviderBase.DbConnectionFactory.CreateNonPooledConnection(DbConnection owningConnection, DbConnectionPoolGroup poolGroup, DbConnectionOptions userOptions)
at System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection)
at System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
at System.Data.ProviderBase.DbConnectionInternal.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory)
at System.Data.OleDb.OleDbConnection.Open()
at Gedi.Controllers.AdminController.File() in c:\Users\Guilherme\Documents\Visual Studio 2012\Projects\Gedi\Gedi\Controllers\AdminController.cs:line 62
使用带有逐字字符串的文件路径变量:
string path = @"c:\teste.xlsx";
string connectionString = string.Format("Provider=Microsoft.ACE.OLEDB.12.0;Data Source={0};Extended Properties=\"Excel 12.0 Xml;HDR=YES\";");", path);
否则,您需要屏蔽反斜杠,如
“c:\\teste.xlsx”
:文件是否在访问时打开?