IDENTITY_INSERT set to ON

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hey guys!
i need some help to set IDENTITY_INSERT to ON ...
i enetered this command to query editor of sql server managment :

SQL

set IDENTITY_INSERT CustomerPI ON

well sql represent me this :

SQL

Command(s) completed successfully.

but when i run the website and try to enter some data to my database , an error will show me that cant excute

C#

db.SubmitChanges();

when IDENTITY_INSERT is set to OFF !
but as i said , i set IDENTITY_INSERT to ON !
what is problem friends? is my command line incorrect?
tnx

Posted 27-Jul-12 14:02pm

ali_heidari_

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[no name] 27-Jul-12 21:19pm

Why do you think you need to do that at all?

ali_heidari_ 27-Jul-12 22:32pm

cause my asp.net page Raises this error :

Cannot insert explicit value for identity column in table 'ProductDesign' when IDENTITY_INSERT is set to OFF.

have any solution?

[no name] 27-Jul-12 23:56pm

Yes absolutely. Don't do that. That defeats the purpose of the identity column. Or get rid of the identity column since you are not using it.

ali_heidari_ 28-Jul-12 0:30am

as you see 'sandeep' solution can reply you! we can set it ON and after our operates can Set it OFF again!

[no name] 28-Jul-12 0:40am

Just because there is a workaround does not mean that it's right. Always use the proper tool for the proper job.

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Sandeep Mewara · Accepted Answer · 2012-07-27T17:29:00

Solution 1

I think, it's not a one time thing. You need to set it ON before insertion and then reset it back to OFF for keeping consistency.

You can try the following. Executes these queries in your submitchanges() method:

SQL

SET IDENTITY_INSERT tblOrderItemStatus ON

Insert Into tblTest(Test_Id,Test_Name) values(4, "TestTemp4″)

SET IDENTITY_INSERT tblOrderItemStatus OFF

Posted 27-Jul-12 17:29pm

Sandeep Mewara

Comments

Kenneth Haugland 27-Jul-12 23:31pm

I think so too. Had the same problem myself... 5

ali_heidari_ 27-Jul-12 23:50pm

you are right ! i saw this solution many times in many sites!
but i need a solution that solve my problem programmatically (in .cs file)!
i am using a class to enter data in database!
this is a example of my way:
<pre lang="c#">
[System.Data.Linq.Mapping.Table(Name="GeneralNewsTable")]
public class GettingTable
{
private int _NewsID;
[System.Data.Linq.Mapping.Column(Name="NewsID",IsPrimaryKey=true,IsDbGenerated=true)]
public int newsid
{
get
{
return _NewsID;
}
set
{
_NewsID = value;
}
}
private String _NewsTitle;
[System.Data.Linq.Mapping.Column(Name = "NewsTitle")]
public String newstitle
{
get
{
return _NewsTitle;
}
set
{
_NewsTitle = value;
}
}

}
in my aspx.cs for example button1_click

System.Data.Linq.DataContext db = new System.Data.Linq.DataContext(@"D:\DSource\DSource\Site\FirstPattern\Dios\Dios\App_Data\PublicNewsDB.mdf");
NewsTableNameSpace.GettingTable gt = new NewsTableNameSpace.GettingTable
{
newstitle = TXTNewsTitle.Text,
};
db.GetTable<newstablenamespace.gettingtable>().InsertOnSubmit(gt);
db.SubmitChanges();

</pre>

i hope that you understand my mean!
tnx all

Sandeep Mewara 28-Jul-12 0:19am

Posting earlier, your 'original' need with details on what & why would had helped.

I don't know, how to do with linq.