MVC :: How To Use UpdateModel With An Identity Column

Apr 9, 2009

I'm sure this is simple, but in all my searches, I can't find out how to do this:

I'm trying to use UpdateModel, but I keep getting a "value is required" error on my ID column, which is properly defined as and identity column.


SQL Server Identity / Largest Number Record Id (identity) Column Can Hold

Jan 1, 2011

I am developing a application and i am using SQL Server 2008. I took a IDENTITY column as Record_ID for detail table where i will have trillions of records per year. So just want to ask whats the largest number record id (identity) column can hold and in ASP.NET which data type i should use to handle record id as i am using this id as a reference to update the table data. I don't want to end up being trapped some day.

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SQL Server :: Update Column Into Identity Column By Removing Null Values?

Aug 10, 2010

I have a table converted from Access and the identity keys were lost. Now I need to make the id column the identity column, but it already has a lot of null values, how do I auto generate integer values for the null rows? The row ids are incremented, so if there is a way to auto increment the ids

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UpdateModel Or UpdateModel Where Model Has An Array?

Jan 12, 2010

I have a view model class that looks something like this

public class ViewModel
public string Name { get; set; }
public IList<SubViewModel> Subs { get; set; }

Now when I call try update model it replaces the "Subs" list with a new one rather than just updating the IsSet property at the correct index.

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SQL Server :: How To Set Column Value Get From Identity On Column

Mar 14, 2011

I am facing a problem here. I have a column where the value is equivalent to my identity column's value. For an example, I have a column A store is "ABC0001" and the 0001 is came from a column called Column B which identity on. when a new record inserted and Column B is next identity number and Column A value is "ABC" and add number from Column B.

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SQL Server :: How To Start Identity Column From 001

Nov 22, 2010

I want to konw how to start my identity column from 001?


this does not work as it still takes it froom cause 001 and 1 is the same

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Changing Existing Column To Be With Identity

Mar 2, 2011

Possible Duplicate: How to change programmatically non-identity column to identity one? I want to set a column as identity as I have already created this column in a table. What syntax do I need?

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SQL Server :: Set Identity To Primary Key Column?

Feb 3, 2011

I have table with around 100 record. Now I want to set identity to primary Key column

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Return Identity Column Value From Table After Inserting Row?

Sep 29, 2010

I am inserting data into Employee table using stored procedure.In employee table EmpNo is identity column.Once i insert data into table stored procedure should EmpNo i.e identitycolumn value.

correct my stored procedure to returm EMpNo Identity column after inserting row.

alter procedure SAR_Sp_AddEmployee(@EmpName varchar(10),@CampaignID int,@startDate datetime) as insert into EmpMaster values(@EmpName,@CampaignID,@startDate)

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DataSource Controls :: Reset Identity Column To A New Value?

Jan 16, 2010

Resetting IDENTITY column to a new valueDuring application development we always entry some test data also our tester test with test data and as a result if the table contains IDENTITY columns( specially ID column) which incremented to the number of data already entered.

However, when the application goes running with real data to the client and the client want his ID values from starting 1, then we need to RESEED the value of the IDENTITY column of the table after clearing all data. This can be done as bellows:


However, can be reseed with any values instead of zero(0) in the above statement.

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DataSource Controls :: How To Reset Identity Column Value

Jun 14, 2010

I have an identity column that increment by 1 on every insert. I have deleted all the rows using delete query but the identity coulumn is still not reseting to zero, how do i reset it, as it was when the table was first created.

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Getting Error While Adding Identity Column To Datatable?

Aug 12, 2008

I am getting the error while adding identity column to datatable.

DataSet ds = new DataSet();
DataColumn identity = new DataColumn("ROWINDEX",typeof(int));
identity.AutoIncrement = true;
identity.AutoIncrementSeed = 0;
identity.AutoIncrementStep = 1;
identity.ColumnMapping = System.Data.MappingType.Element;

I am getting the null value from "ROWINDEX" column

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MVC :: Cannot Insert Explicit Value For Identity Column In Table

Jun 16, 2010

Following the MVC1 vers of Nerddinner, but using 2010 and MVC2. Never seen this error. Looked in controller, model, view. Where does MVC pass the identity value, and how to stop it? I have never had to set IDENTITY_INSERT in any app before.

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DataSource Controls :: Add Identity To Existing Column

Jun 3, 2010

I have created small database prods. I have created one table Products. I have given columns like productid, productname, price. after creating table. I got an idea to add identity to productid ie., auto increment. how to add identity to existing column.

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SQL Server :: Create IDENTITY ID For Primary Key Column

Oct 22, 2010

how can i create IDENTITY ID for primary Key column like this


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An Explicit Value For The Identity Column In Table '#TempSelected'?

Feb 18, 2009

I am creating a temporary table, and trying to insert data into the temporary table.


I am getting the error as : An explicit value for the identity column in table '#TempSelected' can only be specified when a column list is used and IDENTITY_INSERT is ON.

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.net - Get Identity Column Value In C# 'Dataset' - Access Database?

Jan 5, 2010

I want to retrieve identity column value after running Insert or Update (using Access DB in C#). How can I do it?

i use a Typed dataset to fill and update...

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DataSource Controls :: Identity Column Missing Sometime Values?

May 31, 2010

I have one table it's contain multiple columns and one of them is

[Call_Ref_No] [numeric](18, 0) IDENTITY(1,1) NOT NULL

In this column I am facing issue is some time its missing the identity value... For example


Here in this example 4 and 7 is missing...I could not able to find these two reference in my table so what I can do? How I can stop this occurrence.

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ADO.NET :: Get Last Auto Inserted ID In Identity Column From DB Using Entity Framework?

Mar 25, 2011

I am using below code to get new inserted ID in auto identity column from database.


It's working fine when I connect my application with MS Sql, but if I connect with Mysql, it always returns 0 (zero).

Is there any other way to get last inserted ID using Entity Framework?

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SQL Server :: Inserting Using A Stored Procedure And Identity Column?

Nov 19, 2010

I recently moved a .net site from one machine to another, now for some reason one of the stored procedures is throwing an exception when attempting to insert!

Exception Details: System.Data.SqlClient.SqlException: An explicit value for the identity column in table 'dbo.tbl_Events' can only be specified when a column list is used and IDENTITY_INSERT is ON

BTW, the column in question does have the identity set to Yes in management studio

I was using originally SQL 2005, now its on SQLexpress 2008

stored procedure:


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DataSource Controls :: Get The Identity Column On Which The Record Is Inserted

Jun 9, 2010

I am trying to get the identity column on which the record is inserted but i couldn't using stored procedure


My Code Using ASP.NET C# i am trying to display the identity in textbox


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SQL Server :: Error: Cannot Insert Explicit Value Fir Identity Column?

Mar 8, 2011

I have an insert table with identity specification set. And I getthis error. I'm using a stored procedure to store it. How do I correct it. I'm also using a details view on my insert page.

Exception Details: System.Data.SqlClient.SqlException: Cannot insert explicit value for identity column in table 'Insert' when IDENTITY_INSERT is set to OFF.

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DataSource Controls :: Cannot Insert Explicit Value For Identity Column When Identity_Insert Is Set To Off

Jul 10, 2010

The wierd thing is this was working fine and then it just started throwing this error,

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

Here is the code:


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SQL Server :: Database Properties Column Identity Value Will Not Accept Value Change?

Sep 25, 2010

In the tutorial I am doing I have been requested to change a field in the colums properties of a table. The ID column is currentl displaying NO and NO again for "is aIdentity. I can Highlight the values but cannot change to yes. either in the properties talbe or in the properties window on the right hand side of IDE interface. How do I change that value?

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How To Insert The Value That Is Not In Textbox Into Database Which Is Primary Key For Table Without Identity Column

Dec 21, 2010

i have created a web form, where i have 3 textboxes into a table and one submit button.

i would like to store values from the textboxes into my database (sql server) when i click the submit button.

but how to insert the value that is not in textbox into database which is primary key for table without identity column.

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SQL Server :: Identity Column Reset When Shifting Database To Remote

Jul 19, 2010

actually recently we just shifted our website. & now when i try to transfer database from my previous server to new remote server database.all the tables auto increment field is set to 'NO' and there is no primary key anymore.

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Forms Data Controls :: How To Show AutoNumber Identity Column On A Datagriview

Mar 28, 2010

I have made a AutoNumber Identity Column and iset Identity Specification property to "Yes" to keep the Identity Increment and Identity Seed values as default ones.

But when i use a datagriview and use a table adapter the column donīt appear on the datagridview.


So how to show to a AutoNumber Identity Column on a datagriview ?

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DataSource Controls :: Linq To Sql: How To Retrieve Identity Column Value Before For Inserting Any Record

Apr 3, 2010

I am in a serious trouble right now, i wanted to know that how to write a query in LINQ to SQL to retrieve identity column's current value before inserting any value.

I need this cos i m building a windows app n i need to display this value before inserting a record. I have tried DataContext.ExecuteCommand('DBCC CHECKIDENT (Tablename)') but it returns the number of rows modified.

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Forms Data Controls :: Cannot Insert Explicit Value For Identity Column In Table 'UserDetails'

Mar 3, 2011

I have error:

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

I'm trying to insert a record through a BLL (Business Logic Layer) class with an 'Insert' button attached to the FooterTemplate of a GridView2. My code:



BLL layer code:


The field 'idUser' is autoincremented. When I use SqlDataSource with a DetailsView, add option it adds a record and autoincrements the 'isUser'.

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Forms Data Controls :: Error When Inserting Into Table - Cannot Insert Explicit Value For Identity Column In Table

Aug 11, 2010

I am working on a web app for an online photo album. It is the last project in Scott Mitchell's book: "ASP.Net 2.0 in 24 hours".

I am creating a page where users can enter new photo images. The functionality for uploading an image will come later. I am working on just inserting a new row into the Pictures table with an optional category, a required title and a required description.

I am getting an error when I try to insert a new row.

Here is a screenshot of the page with a shot of the dropdown list.

The Categories are user-specific. I am getting the correct values retrieved.


There are two pretty simple database tables involved here.

NOTE: The CategoryID and PIctureID are both autoincrement integer columns.


The page uses a DetailsView that uses a SqlDataSource that uses the Pictures table. (The DetailsView's Default Mode property is set to "Insert". The "Enable Inserting" checkbox is also checked.)

The dropdown list uses a dropdown control that uses a SqlDataSource that uses the Categories table.

When the "Insert" button is clicked the CategoryID value associated with selected (Category) Name on the dropdown list will be used along with the Title and Description values to insert a row in to the Pictures table. (If no Category value is selected, then a null value will be used for the CategoryID. This is OK because the CategoryID column in the Pictures table allows nulls.)

My problem is that I am getting this error:

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

(FYI: I have the full version of both Visual Studio and SQL Server.)

Here is my source code for the page:


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MVC :: UpdateModel In LINQ To SQL

Mar 9, 2010

I have been trying to develop edit functionality for a table in database using LINQ to SQL classes (.dbml). Thoiugh updatmodel does not fail, it still does not update the database. I have tried several different things with no resort. I have something going live in a day or so, Below is my code for controller class in MVC 1.1

//Overload edit view for postback
public object Edit(Guid id, FormCollection form)
//Get the row ID which is being edited
var Weballoc = db.WebAllocationImports.Single(w => w.OGReference == id);
// Weballoc.Side = Request.Form["Side"].ToString();
// Weballoc.Commission = Convert.ToDouble(Request.Form["Commission"]);
UpdateModel(Weballoc, new[] { "ClientSubAccount", "Quantity", "TradeDate", "SecurityID", "Side", "Commission", "NetAmount", "TradeID", "Price" });
catch (Exception ex)
return View("ShowCGMAllocations",allocation);
The following is a sample of my edit.aspx view
<% using (Html.BeginForm()) {%>
<label for="ClientSubAccount">ClientSubAccount:</label>
<%= Html.TextBox("ClientSubAccount", Model.ClientSubAccount) %>
<%= Html.ValidationMessage("ClientSubAccount", "*") %>
<input type="submit" value="Save" />
<% } %>

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CTP 5 EF Code First UpdateModel()?

Mar 11, 2011

I've been struggling with this issue for a few days now and I'm still not able to figure it out. I've created a sample project to hopefully help figure this issue out. The main issue is when I load a user from my context and perform an UpdateModel() on this object it seems to delete my entity references and I get null references in child objects. Here is the error: The operation failed: The relationship could not be changed because one or more of the foreign-key properties is non-nullable. When a change is made to a relationship, the related foreign-key property is set to a null value. If the foreign-key does not support null values, a new relationship must be defined, the foreign-key property must be assigned another non-null value, or the unrelated object must be deletedHere is the link to the code:
Here (line 42, causes the error to happen)

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MVC's UpdateModel And Different Locals?

Jun 18, 2009

I am working on a web app which will be used in many different countries.I have a DB entity called Product which has properties one of which is of type double and is called Quantity.The user enters that via a form and then I call UpdateModel() to populate the Quantity and other properties in the entity. So far it works well.My question is the following: What if I have a user from Sweden for example enter a value like 1,2 which in USA is 1.2 and then I run UpdateModel( ) in the controller's Post Create() Action. Is

UpdateModel( ) smart enough to know that this was entered from a browser with IcultureInfo = swedish and parse 1,2 the right way?

I did not see a signature that takes a cultureInfo ( like double.parse() or Date.Parse() ) so I am assuming that it does check the cultureInfo but this is just an assumption. I am going off to test it now which won't be trivial since I need to set up two machines with 2 different cultures

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MVC :: New Value Dosn't Set For UpdateModel?

May 1, 2010

this is the code i am using for update model


on the line 2 i set new value to OrderDate.but after this step OrderDate get value of text box in view.the value of text box is shamsi date and on line 2 i convert that date to miladi date.why OrderDate get shamsi date?

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MVC Controller UpdateModel Not Updating?

Sep 22, 2010

Trying to get UpdateModel to work for my User. The User class has basic string properties like CompanyName, FirstName, LastName, etc so nothing exotic. Here is the header for my view:

<%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/Public.Master" Inherits="System.Web.Mvc.ViewPage<User>" %>

After they submit, in my controller, the code looks like this:

public ActionResult Edit(string id, FormCollection collection)


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MVC :: Controller Besides UpdateModel To Get This File?

Sep 1, 2009

On a View I am uploading a file and my model contains a property of type HttpPostedFileBase.Do I need to do anything on my controller besides UpdateModel to get this file?

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MVC :: UpdateModel Method Does Not Work?

Oct 16, 2009


UpdateModel method does not work ?

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MVC :: UpdateModel Trying To Update Unchanged Fields?

Jan 13, 2011


for some reason, when oldIndex is not 0, and the first "for" loop is running, "UpdateModel" is trying to change the ID field instead of the Index field.if it's 0, and only the second "for" is running all goes well.I'm trying to figure out what's the diference between the loops, and i don't seem to get it?

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MVC :: UpdateModel Calls A Property Get On The Model?

May 4, 2010

as the behaviour of the UpdateModel<T> changed in MVC 2 (RTM)? Since then I have the following problem when UpdateModel is called:UpdateModel<T1>(record, properties);record is typeof(Jumbo.Juist.Models.Bezorging) and properties is a string[] containing "Winkelnummer" and "OudRoutenummer".This now fails, because a get-property is being accessed: BerekendeAankomstTijd. In the past, it didn't fail. IMHO, this validation should be skipped, because it's only a getter (and thus/also not included in the string[] of properties to update)

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MVC :: Object Mapper That Works Like UpdateModel?

Oct 30, 2009

I have a Linq-To-Sql type concordance issue: my domain model used Type Money (which encapsulates some business) while the database stores a double precision type like decimal/double for the same attribute.I want to generate Linq-To-Sql domain model from database (typed to say double) and then map the object to my Domain objects (typed to Money) before running domain-computations on the objects.

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