Cannot insert explicit value for identity column

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Cannot insert explicit value for identity column in table 'Producto' when IDENTITY_INSERT is set to OFF.
alter proc uspIdatos_
@iDProducto int output,
@Descripcion nvarchar(50),
@Precio money,
@Stock int,
@Notas text
as
Insert into Producto(IDProducto,Descripcion,Precio,Stock,Notas)values(@iDProducto,@Descripcion,@Precio,@Stock,@Notas)
SET @iDProducto=@@IDENTITY

Posted 22-Aug-14 7:04am

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joshrduncan2012 22-Aug-14 13:49pm

So, what's the question?

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OriginalGriff · Answer 1 · 2014-08-22T08:10:00

No, you can't.

But...if you declared @iDProducto as an INPUT value rather than an OUTPUT, perhaps you could...but then you couldn't return it.

So make your mind up: either this is an identity field, SQL should manage it, and you should return it; or it isn't, it is specified from outside, and so there is no need to return it.

David Lee 145 · Answer 2 · 2014-08-22T08:56:00

Solution 2

You can use this command before your insert command.

SQL

SET IDENTITY_INSERT dbo.Producto ON;

Posted 22-Aug-14 8:56am

David Lee 145

Updated 22-Aug-14 8:57am

v2

coded007 · Answer 3 · 2014-08-25T20:10:00

SQL

alter proc uspIdatos_
 @iDProducto int output,
 @Descripcion nvarchar(50),
 @Precio money,
 @Stock int,
 @Notas text
 as

SET IDENTITY_INSERT Producto ON;

 Insert into Producto(IDProducto,Descripcion,Precio,Stock,Notas)values(@iDProducto,@Descripcion,@Precio,@Stock,@Notas)
 SET @iDProducto=@@IDENTITY 

SET IDENTITY_INSERT Producto OFF;

Cannot insert explicit value for identity column

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