I created an application with Windows forms connecting to firebird, where on my development machine everything works perfectly, but when I put it on the client machine, the following error occurs:
System.ArgumentException: Unable to find the requested .Net Framework Data Provider. It may not be installed. at System.Data.Common.DbProviderFactories.GetFactory (String providerInvariantName) at System.Data.Entity.Internal.LazyInternalConnection.TryInitializeFromAppConfig (String name) at System.Data.Entity.Internal.LazyInternalConnection.Initialize () at System.Data.Entity.Internal.LazyInternalConnection.get_ConnectionHasModel () at System.Data.Entity.Internal.LazyInternalContext.InitializeContext () at System.Data.Entity.Internal.InternalContext.GetEntitySetAndBaseTypeForType (Type entityType) at System.Data.Entity.Internal.Linq.InternalSet'1.Initialize () at System.Data.Entity.Internal.Linq.InternalSet'1.get_InternalContext () at System.Data.Entity.Infrastructure.DbQuery'1.System.Linq.IQueryable.get_Provider () at System.Linq.Queryable.Where [TSource] (IQueryable'1 source, Expression'1 predicate) at Infrastructure.Data.Seedwork.Repository'1.GetFiltered (Expression'1 filter) at SanNuvens.SpedEFD.FrmGeraSped.FrmGeraSped_Load (Object sender, EventArgs e) at System.Windows.Forms.Form.OnLoad (EventArgs and) at System.Windows.Forms.Form.OnCreateControl ()