Entity Framework 6 - Update DB record by copying another DB record
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I just started with Asp.NET MVC & EF and I am guessing there must be an easy solution for what I am trying to do.
What I want to do:
Update an existing db record with the values of another db record.
In my Post Controller action I pass the ID of the original record and the ID of the record the should be copied over the original one.
var orgRecord = ctx.Model.Where(x => x.ID == vm.ID)...
var copyRecord = ctx.Model.Where(x => x.ID == vm.IDtoCopy)...
I have tried different approaches but I always get an error that ID "is part of the object's key information and cannot be modified"
Here are some of my tries:
orgRecord.ID = copyRecord.ID
ctx.Entry(orgRecord).CurrentValues.SetValues(copyRecord);
ctx.Entry(orgRecord).State = EntityState.Modified;
ctx.Entry(orgRecord).Property(x => x.ID).IsModified = false;
What do I need to do in order to copy all properties but leaving the primary key untouched?
Thank you.
asp.net-mvc entity-framework model-view-controller asp.net-mvc-5 entity-framework-6
asked Nov 23 '18 at 14:44
ratanmalkoratanmalko
143112
add a comment |
I just started with Asp.NET MVC & EF and I am guessing there must be an easy solution for what I am trying to do.
What I want to do:
Update an existing db record with the values of another db record.
In my Post Controller action I pass the ID of the original record and the ID of the record the should be copied over the original one.
var orgRecord = ctx.Model.Where(x => x.ID == vm.ID)...
var copyRecord = ctx.Model.Where(x => x.ID == vm.IDtoCopy)...
I have tried different approaches but I always get an error that ID "is part of the object's key information and cannot be modified"
Here are some of my tries:
orgRecord.ID = copyRecord.ID
ctx.Entry(orgRecord).CurrentValues.SetValues(copyRecord);
ctx.Entry(orgRecord).State = EntityState.Modified;
ctx.Entry(orgRecord).Property(x => x.ID).IsModified = false;
What do I need to do in order to copy all properties but leaving the primary key untouched?
Thank you.
asp.net-mvc entity-framework model-view-controller asp.net-mvc-5 entity-framework-6
asked Nov 23 '18 at 14:44
ratanmalkoratanmalko
143112
add a comment |
I just started with Asp.NET MVC & EF and I am guessing there must be an easy solution for what I am trying to do.
What I want to do:
Update an existing db record with the values of another db record.
In my Post Controller action I pass the ID of the original record and the ID of the record the should be copied over the original one.
var orgRecord = ctx.Model.Where(x => x.ID == vm.ID)...
var copyRecord = ctx.Model.Where(x => x.ID == vm.IDtoCopy)...
I have tried different approaches but I always get an error that ID "is part of the object's key information and cannot be modified"
Here are some of my tries:
orgRecord.ID = copyRecord.ID
ctx.Entry(orgRecord).CurrentValues.SetValues(copyRecord);
ctx.Entry(orgRecord).State = EntityState.Modified;
ctx.Entry(orgRecord).Property(x => x.ID).IsModified = false;
What do I need to do in order to copy all properties but leaving the primary key untouched?
Thank you.
asp.net-mvc entity-framework model-view-controller asp.net-mvc-5 entity-framework-6
asked Nov 23 '18 at 14:44
ratanmalkoratanmalko
143112
I just started with Asp.NET MVC & EF and I am guessing there must be an easy solution for what I am trying to do.
What I want to do:
Update an existing db record with the values of another db record.
In my Post Controller action I pass the ID of the original record and the ID of the record the should be copied over the original one.
var orgRecord = ctx.Model.Where(x => x.ID == vm.ID)...
var copyRecord = ctx.Model.Where(x => x.ID == vm.IDtoCopy)...
I have tried different approaches but I always get an error that ID "is part of the object's key information and cannot be modified"
Here are some of my tries:
orgRecord.ID = copyRecord.ID
ctx.Entry(orgRecord).CurrentValues.SetValues(copyRecord);
ctx.Entry(orgRecord).State = EntityState.Modified;
ctx.Entry(orgRecord).Property(x => x.ID).IsModified = false;
What do I need to do in order to copy all properties but leaving the primary key untouched?
Thank you.
asp.net-mvc entity-framework model-view-controller asp.net-mvc-5 entity-framework-6
asp.net-mvc entity-framework model-view-controller asp.net-mvc-5 entity-framework-6
asked Nov 23 '18 at 14:44
ratanmalkoratanmalko
143112
asked Nov 23 '18 at 14:44
ratanmalkoratanmalko
143112
edited Nov 24 '18 at 14:21
ratanmalko
asked Nov 23 '18 at 14:44
ratanmalkoratanmalko
143112
asked Nov 23 '18 at 14:44
ratanmalkoratanmalko
143112
asked Nov 23 '18 at 14:44
ratanmalkoratanmalko
143112
143112
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
Try following: Get the copyRecord with AsNoTracking(), then set the ID to the original value, then attach to context, set State to Modified and save.
answered Nov 24 '18 at 15:05
MartyMarty
34927
add a comment |
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1 Answer
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1 Answer
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active
oldest
votes
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oldest
votes
active
oldest
votes
Try following: Get the copyRecord with AsNoTracking(), then set the ID to the original value, then attach to context, set State to Modified and save.
answered Nov 24 '18 at 15:05
MartyMarty
34927
add a comment |
Try following: Get the copyRecord with AsNoTracking(), then set the ID to the original value, then attach to context, set State to Modified and save.
answered Nov 24 '18 at 15:05
MartyMarty
34927
add a comment |
Try following: Get the copyRecord with AsNoTracking(), then set the ID to the original value, then attach to context, set State to Modified and save.
answered Nov 24 '18 at 15:05
MartyMarty
34927
Try following: Get the copyRecord with AsNoTracking(), then set the ID to the original value, then attach to context, set State to Modified and save.
answered Nov 24 '18 at 15:05
MartyMarty
34927
answered Nov 24 '18 at 15:05
MartyMarty
34927
answered Nov 24 '18 at 15:05
MartyMarty
34927
answered Nov 24 '18 at 15:05
MartyMarty
34927
34927
add a comment |
add a comment |
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