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11474131
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2012-07-13T16:03:13.930
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2012-07-13T19:10:40.517
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2012-07-13T19:10:40.517
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144658
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Ok, so i found a solution to this.. its not the best of the coded but its working now. What i had to do was <ol> <li>Create a new WCF Services Layer in my project.</li> <li>Move the "Create&Update" database work to a service class.</li> <li>In the business logic layer, consume the service.</li> <li>If the service.DoWork() method fails, try again (as i said before, it works the second time)</li> </ol> Here is the code in BLL consumig the service <pre><code>using BusinessLogicLayer.WcfServicesLayer.AppStart.Databases; namespace BusinessLogicLayer.AppStart { /// <summary> /// Inicialização e Update de versão dos bancos de dados do sistema /// </summary> public static class Databases { public static void Start() { //Iniciar DBCore var client = new DatabasesClient(); bool databaseStarted = client.DoWork(); if(!databaseStarted) { var retry = new DatabasesClient(); databaseStarted = retry.DoWork(); } } } } </code></pre> Here is the service class. <pre><code>using System; using System.Data.Entity; using System.Data.Entity.Migrations; namespace WcfServicesLayer.AppStart { // Serviço de inicialização dos bancos de dados da aplicação public class Databases : IDatabases { public bool DoWork() { return StartDatabases(); } private bool StartDatabases() { //Iniciar DBCore return DataBaseStart<DataAccessLayer.DataContexts.Core.Context, DataAccessLayer.Migrations.Core.Configuration>(); } private bool DataBaseStart<T, TC>() where T : DbContext, new() where TC : DbMigrationsConfiguration<T>, new() { //Atualiza a base de dados com base na configuração do migrations try { var migratorConfig = new TC(); var dbMigrator = new DbMigrator(migratorConfig); dbMigrator.Configuration.AutomaticMigrationDataLossAllowed = false; dbMigrator.Update(); return true; } catch (Exception) { //Exceção quando cria o banco a primeira vez? return false; } } } } </code></pre>
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