我正在处理一个代码,我需要多个表作为存储过程的结果。我正在使用Entity Framework存储库模式。它返回并绑定一个IEnumerable对象,但我需要同时将它与多个IEnumerables绑定。 有人可以帮忙吗?
这是我正在使用的代码: db.Database.SqlQuery( “procReturnsMultipleResuiltSets”)
答案 0 :(得分:1)
在article中披露了实现目标的方法。
从相关文章中,最常见的方式是:
using (var db = new BloggingContext())
{
// If using Code First we need to make sure the model is built before we open the connection
// This isn't required for models created with the EF Designer
db.Database.Initialize(force: false);
// Create a SQL command to execute the sproc
var cmd = db.Database.Connection.CreateCommand();
cmd.CommandText = "[dbo].[GetAllBlogsAndPosts]";
try
{
db.Database.Connection.Open();
// Run the sproc
var reader = cmd.ExecuteReader();
// Read Blogs from the first result set
var blogs = ((IObjectContextAdapter)db)
.ObjectContext
.Translate<Blog>(reader, "Blogs", MergeOption.AppendOnly);
foreach (var item in blogs)
{
Console.WriteLine(item.Name);
}
// Move to second result set and read Posts
reader.NextResult();
var posts = ((IObjectContextAdapter)db)
.ObjectContext
.Translate<Post>(reader, "Posts", MergeOption.AppendOnly);
foreach (var item in posts)
{
Console.WriteLine(item.Title);
}
}
finally
{
db.Database.Connection.Close();
}
}
请注意重要说明:在转到下一个结果集之前必须先消耗第一个结果集。