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شكر على البرنامج بس للاسف هذه المسج تظهر عند التشغيل
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خطاء
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تم اكتشاف الخطاءSystem.InvalidOperationException: The 'microsoft.jet.oledb.4.0' provider is not registered on the local machine.

at System.Data.OleDb.OleDbServicesWrapper.GetDataSource(OleDbConnectionString constr, DataSourceWrapper& datasrcWrapper)

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.CreateNonPooledConnection(DbConnect ion owningConnection, DbConnectionPoolGroup poolGroup, DbConnectionOptions userOptions)

at System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection)

at System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnec tion 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 System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)

at System.Data.Common.DbDataAdapter.Fill(DataTable[] dataTables, Int32 startRecord, Int32 maxRecords, IDbCommand command, CommandBehavior behavior)

at System.Data.Common.DbDataAdapter.Fill(DataTable dataTable)

at Save_Documents.login.Button1_Click(Object sender, EventArgs e)
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OK
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بالرغم من تنزيل البرامج المتطلبة للتشغيل
ارجوا الافادة... وشكرا