/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

1 vote131 views1 answer
Update multiple records with entity framework
C#
0 vote122 views1 answer
Include multiple siblings at the Level
C#
0 vote86 views1 answer
C# class reference
C#
1 vote127 views1 answer
Unity list of gameobjects
C#
3 votes123 views5 answers
If c#
C#
0 vote130 views1 answer
Parse persian date string to datetime c#
C#
1 vote172 views3 answers
Unity follow object
C#Unity
3 votes128 views3 answers
C# list of properties from list of objects
C#
0 vote161 views1 answer
True false when key pressed in c sharp unity
C#Unity
3 votes126 views1 answer
C# how to add newline on text box
C#