/C#/Entity save example in c# model first

Entity save example in c# model first

// disconnected new entity 
var student = new Student(){ StudentName = "Bill" };

using (var context = new SchoolDBEntities())
{
    context.Entry(student).State = student.StudentId == 0? EntityState.Added : EntityState.Modified;

    context.SaveChanges();
}

Source: entityframeworktutorial.net

Entity save example in c# model first

exec sp_executesql N'INSERT [dbo].[Student]([StudentName], [StandardId])
VALUES (@0, NULL)
SELECT [StudentID] FROM [dbo].[Student]
WHERE @@ROWCOUNT > 0 AND [StudentID] = scope_identity(),@0='Bill'

Source: entityframeworktutorial.net

Entity save example in c# model first

// disconnected existing entity 
var student = new Student(){ StudentId = 1, StudentName = "Steve" };

using (var context = new SchoolDBEntities())
{
    context.Entry(student).State = student.StudentId == 0? EntityState.Added : EntityState.Modified;

    context.SaveChanges();
}

Source: entityframeworktutorial.net

Similar codes

8 votes159 views1 answer
Stopwatch c#
C#
1 vote183 views1 answer
Socket io connect to namespace
C#
0 vote163 views1 answer
Add variable to the beginning of a list c#
C#
0 vote237 views1 answer
Hwo to prevent rotation after hitting an object in unity
C#Unity
2 votes175 views2 answers
C# regex number only
C#
0 vote171 views1 answer
Wpf label content nullpointerexception
C#
0 vote170 views1 answer
The name scripts does not exist in the current context mvc 5
C#
0 vote185 views1 answer
C# ping all machines on local network
C#
-1 vote167 views2 answers
C# datetime remove time
C#
18 votes170 views1 answer
Unity delete all children
C#