Auto Increment Primary Key
Apr 13, 2008
Dear all,
I am using SQL express 2005 in visual studio 2008. I would like to use Form View to insert new record in the table. There is a column call "id". I think it is too stupid to let user enter a unique identifier instead of generating by the system.
I know how to generate a random integer number in a normal TextBox. However, when I edit the InsertItemTemplate, I cannot modified the value of that textbox. For example, i couldn't use "TextBox1.Text = temp;" here. How can I achieve to change this TextBox's value by the system that I would like to generate a random interger. Thanks a lot.
Regards,
Eric Chan
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Jun 26, 2007
How do I make a Primary Key in a table automatically increment as a new row of data is entered? do i have to do it with a trigger?? if so what is the code behind it....what I have is a Applicant table, which holds the ApplicantID (<<<needs auto incremented), FirstName, LastName, Address, City, State, Zip, and PhoneNumber. I enter all the other information through visual web developer, and what I need to do when the hit submit on the form with the data i want to automatically set an id right there. any suggestions will help!
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Dec 21, 2007
Hi all,I have a table where I have my ProdPK set up as Primary key, turned on "Is Identity" and set the Identity increment to 1. But each time I add a new item, the number incremented by 2... I have couple of other tables and they are all fine, just this particular table increased twice as it should. I check the setting against other tables and everything seems to be the same. By the way, this is adding the data to the table inside MS SQL Server Management Studio manually. I haven't done anything in the ASP.NET page yet. Thank you very much,Kenny.
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Dec 7, 2004
How do I make my Primary Key Auto Increment from Enterprise Manager?
Thanks
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Oct 8, 2006
I was just wondering on a very simple database table with lets say a primary key set to columb ID and another columb lets say products, can you make the primary key automaticly increment its self whenever a new entry has been put in?For instance say I have this table set up with ID Being the primary KEY, Columb 1 = ID( INT ), Columb 2 = Products ( VarChar(50) ), and have the fields ID = 1, and products = my product.....and if a user inserts a new record say from a gridview or some sort of data entry the second ID Feild will automaticly be 2 and the products gets updated per user input.......I'm very sorry but I'm having a hard time putting this into words for some reason..umm basicly user adds something into the products feild and the ID field automaticly increments one number higher from the last one?ThanksAdam.
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Apr 26, 2007
Ok - I have two tables that are relational. I have been inserted data into the tables because of testing. I also have been deleting data. My question is how do I reset the auto-incremented Primary key values.
For example:
Primary key of table one is bizID. Well there are only 3 record currently in the table. The bizIDs are 1-3. If I insert another record the bizID will be 88 because that was the next auto-incremented number. I obviously deleted the other records. I want to start the primary key value over from zero. How do I accomplish this? thnks
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Aug 6, 2007
How to auto increment an alphanumeric Primary Key in SQL? :( Because I want to add something like this in the Primary Key, for example i'll add a new data with an alphanumeric value of ABC-0001, then I'll add another 1, and it auto increments to ABC-0002 and so on.. How can I do it? And if I'll add a new alpha character in the Primary Key field, for example DEF-0001, then I'll add another and it auto increments to 002, and so on, and it will go back to 0001 if i'll use another combination of alpha characters. for example, i'll add a new alpha character AAA, will it go back to 0001 or it will continue? T___T I hope u get my point.. I want my table to look like this if i have added the dataABC-0001ABC-0002DEF-0001DEF-0002AAA-0001then if il add a new 1, for example ABCit will auto increment to 0003 in the same field, it will look like this after addingABC-0001ABC-0002ABC-0003DEF-0001DEF-0002AAA-0001Will it be possible? :(
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Dec 14, 2007
I'm still looking for a solution on msdn, but i've decided also to post my question here.
How can i reset my primary key field auto-increment back to 0 in runtime (or in designtime)?
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Jul 26, 2007
Hi guys,I followed the ASP.net official tutorial to create a DAL & Business Logic Layer (http://www.asp.net/learn/dataaccess/tutorial02cs.aspx). I have a table with a int ID field. I wish to write a function to add a new entry into this table but have the ID field auto-increment.The ID field is set as the Identity Column and has a Identity Increment & Seed of "1". If I manually go to the table and insert a new record leaving the ID value null it automatically increments. But if I create a C# function to add a new entry I get an error saying that the ID field can't be Null. Is there any way to use the Update method as shown on line 14 below to add a new entry but with it automatically incrementing? I did create a function called InsertDevice that simply inserts the other fields using a SQL INSERT and it auto-increments fine, just wondering if there is a way to do it using the DataTable and the Update method? Thanks for any help!!! 1 public bool AddDevice(string make, string model)
2 {
3 //cannot have the same device entered twice!
4 if (Adapter.FillDeviceCountByMakeModel(make, model) == 1)
5 return false;
6
7 RepositoryDataSet.DevicesDataTable devices = new RepositoryDataSet.DevicesDataTable();
8 RepositoryDataSet.DevicesRow device = devices.NewDevicesRow();
9
10 device.make = make;
11 device.model = model;
12
13 devices.AddDevicesRow(device); << Error thrown Here!
14 int rows_affected = Adapter.Update(devices);
15
16 return rows_affected == 1;
17 }
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Aug 4, 2015
I have imported a whole bunch of tables. Most of them have an ID (int) column. Is there a way to set the ID columns across all tables to auto increment Primary Keys in bulk?
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Dec 28, 2007
i would to make a column contains of 3 characters and 6 auto increment numbers (example: "DLL - 123456")
and made it primary key and which data type i should use. i do not know whether i use after insert trigger in two columns one for three characters and another for code which has identity property >>>so please help me
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Dec 11, 2007
Hello,
I Have a table that needs to have 2 unique number.
detail_id and detail_print_id.
detail_id is already an IDENTITY.
both fields need to be different, because when importing, it imports the same data into a table twice, with only a slight data change (and id is not one of the changes).
So I thought i could do the following:
detail_id INT NOT NULL IDENTITY(1,2),
detail_print_id INT NOT NULL IDENTITY(2,2),
--blah blah
that way, the detail_id will always be odd, and the detail_print_id will always be even. however SQL Server 2005 only allows 1 identity per table, and both these fields need to be auto generated when the field is inserted, so as to prevent double data.
is there anyway I can create a int column to auto increment, without the column being an IDENTITY??
also, I would prefer to not have to create a second table with a single column just for this work.
Thanks,
Justin
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Jan 23, 2004
I have an MS SQL Server table with a Job Number field I need this field to start at a certain number then auto increment from there. Is there a way to do this programatically or within MSDE?
Thanks, Justin.
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Mar 24, 2008
DIAGID is the
field in database which is integer. i want to increment this when page is
loaded.but it is not working..
plz
find mistake ... thanks in advance
SqlCommand sqlCmd = new SqlCommand("Select max(DIAGID) from tblDxactual",
sqlCon);
SqlDataReader sqlDr;
sqlCon.Open();
sqlDr = sqlCmd.ExecuteReader();
if (sqlDr.Read())
{
txtbxDiagID.Text = sqlDr[0].ToString()+ "1"
;
}
else
txtbxDiagID.Text="1";
sqlCon.Close();
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Feb 4, 2005
It's been a long time since I've had to check an index for the highest value, then add 1, to create a new unique key. These past few years, it seems this is usually done for you. But now that I'm working with MS-SQL, I don't see it. Is it there? It's doesn't seem to be inherent in the definition.
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Jan 26, 2006
Hello,
Firstly Hello to everyone I'm new the forum and fairly new to .net
I'm working on web datbase application using visual studios 05 and MS SQL05 I've used 2003 (briefly) before but 2005 is very new to me.
To my problem I download the GUI interface from microsoft so I can now setup a local database and do my own testing.
I have created the table and fields with in it however on a particular table i have made a primary Key and left it as an INT but I would like to set it as auto increment ! I dont know how to select that option as i was used to mysql way of doing things or does this have to be done as a stored procedure ?
Any assistance much appreciated.
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Apr 4, 2001
I am very new to using SQL server 7. I've always used mysql in the past. I cant figure out howto create a autoincrementing key for my tables... is it possible to do in SQL7?? If so.. how.. i thought you just set the datatype to auto increment etc...
sorry for any oversights...
dave
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Sep 23, 2002
I would like to avoid using a cursor. I am updating several rows in a table with sequential numbers starting at a number I pass into the Stored Procedure. Is there a way to do this with one update statement?
Thanks,
Ken Nicholson
Sara Lee Corporation
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May 30, 2008
Hey,
Here is what happened:
Users for a long time have been able to post new topics in our forums. However, a short time ago, the some users began to experience problems. What I have narrowed it down to is that upon inserting into the table, sometimes id value for the topic is the same as an id that is already in the table, so it fails to insert the record (due to a constraint). However, the topic id column is an auto-increment column and should just assign the next number for the id value.
Any ideas?
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Mar 15, 2006
I have important a table from mircosoft access into ms sql server 2000, I've created a new ID row and set the primary key - but I need to use the ID from microsoft access as well. therefore I'd like to add an auto increment +1 on the old access ID field... but how do I do that?
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Nov 6, 2006
hi, i have columns(name,id,salary) in my emp table,see to that there is no primary key in my table, but i want to do auto increment, in my table id has to be auto incremented,so please give me coding to do that,pleaseeeeeeee
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Apr 14, 2008
Hi,
I have one table:
Appid | Cols
1 | xx
2
3
In this table Appid is the primary key. I want to change the Appid column as Auto increment column. How to change the appid to Auto increment with data in that column. Is it possible?
Thanks in advance
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Jul 25, 2007
Hi.
Am creating a database in SQL and one of the field of my table is customer_id. I want this customer_id to be auto generated and auto increment. I was reading about Identity but it was too complicated to grasp. So how can that be done in a very simple way.
Thanks
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Jun 27, 2007
I currently working asp.net with c# and inserting data from webpage into sqlserver 2000 data table. I have an auto increment ID in a table. Let's say 10 are inserted. Then you delete those 10. You add another and the auto increment sets the id at 11. How can I get that table to start back to 0? Plz help me and give code for increment id programmatically using c#. Thanks in Adv,
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Nov 27, 2007
Hi,
I have one Auto increment field in the table.
I have a problem that suppose I have 10 Records in the table, Now If someone delete record no 3 and 5 then it has 8 records.
But The field will give 11 no to new record I want it first fill 3 and 5 then give 11 to the new record.
Is it possible with the auto increment field in sql server 2005.
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Apr 5, 2008
Hey,
Im building a site within Visual Studio 2005 and im using the SQL database system it provides. I currently have a number of tables each with a primary key that is set to the 'int' field type and also set to auto increment 1, 2, 3 etc etc. My question is it there a way to make this field increment automatically, providing a unique value but also automatically placing a couple of pre-defined letters before the number? Obviously it can't be an 'int' anymore because it'll be holding something like MEM1, MEM2 etc. Is there a way to do this is Visual Studio?
Many Thanks!
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Oct 19, 2005
ive been working through the tutorial/tour of .net web matrix (version
0.6 build 812). when creating my database i cannt find the option
for setting an auto increment for my primary key. can anyone help?
thanks
slh
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Apr 29, 2006
Hi all
I just got SQL server 2k5 installed and working....im just trying to figure out how to make an auto incremement column wiht an integer..
or has it been replaced with the "unique identifyer"
Abyss
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May 25, 2006
I've created a table. How do I modify the ID so that it is
auto-increment? I'm using Microsoft SQL Server Management Studio to
access my tables.
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Aug 31, 2006
Ok, I've been charged with the task of setting up an IVR(interactive voice response) system for remote data entry. It was all going great till I got to the utility's Database connector. It wouldn't work, but I saw that the program also supported VBScript, great! I know VBScript.
Simple task, setup a simple flow where data can be entered. I setup a DSN for the access database(not quite MS SQL, but close enough) I'd created. It gave me a syntax error when I tried to use '' in an auto increment field. I think the exact query was:
"INSERT INTO test_table VALUES('',$RV[Store Number],'$RV[Objective]','question1','question2',question3');"
The database setup was:
id(AutoNumber),store_number(number),objective(text),q1(text),q2(text),q3(text)
Changed the auto number in the query to a 0 and it worked fine, but of course it was only to test if it would work. It would create a duplicate row if it went further than the first row.
I don't understand what my syntax error was. The $RV[*] are variables retrieved by procedures in the IVR scripting program. Need this for work so I can setup a demo of the system to present to my boss' bosses' bosses
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Sep 25, 2007
I am trying to insert a bunch of data into a table with an auto-increment field (ProductID) and my insert query fails.
Error message:
Code:
PHP Warning: mssql_query() message: Cannot insert the value NULL into column 'ProductID', table 'RCDBTest.dbo.ServiceDefaults'; column does not allow nulls. INSERT fails. (severity 16) in C:InetpubwwwrootMS_updater.php on line 13
But I am not inserting into that ProductID column...shouldnt it just use the next auto-increment number?
Query:
Code:
INSERT INTO tablename (Product_Type_Number) VALUES ('100')
Any helpful thoughts?
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Aug 21, 2007
Is it possible to have leading zero for an auto increment id field? I need to do this when i am migrating a table. I am thinking if i cannot do this when migrating then i will have to use stored procedure to achieve this.
Thanks.
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Jul 10, 2007
hi
I am facing problem in auto increment
when i enter to commit the row if data is right then incerment is 1
if enter data is wrong then error shows after correcting error
it increments not by 1 as shows in picture
does auto increment supports numeric(10)
as
id numeric(10) IDENTITY (1, 1),
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