SQL Server :: NO DUPLICATE ROW For A Foreign Key In A Child Table
Dec 6, 2010I have 2 tables Order and Order_Detailrder_dtl_id is the primary key Order_id is the foreign key that referrence Order_Id in Order Table
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int ID;
DAL.Datasets.dsMembers.MembersRow rwMem = m_dsMembers.Members.NewMembersRow();
rwMem.u_name = mem.Name;
m_dsMembers.Members.AddMembersRow(rwMem);
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Aug 11, 2010i am using sql server 2005 as backend for developing webforms with asp.net using C#.i have two tables table1 and table2.
table1 has user_id(primary key,not null),user_name. and table2 has dept_id(primary key,not null),user_id(foreign key,not null),dept_location.
Firstly i created table1 and insert data in it.. later i created table2 with foreign key relationship with table1..In the add form design of table2 for entering data and insert into table2,i placed a dropdownlist which is binded with user_id from table1...dropdownlist's.datatextfield is equal to "user_name" and datavaluefield is equal to "user_id"..i have to select user_name from dropdownlist.... what i have to do is to insert data into table2... i used the simple sql insert statement as follows..
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do i have to add a test_ID kinda field in all four tests tables????
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Jan 9, 2011[Code]....
add Image to Table when foreign keyed to aspnet_UserId
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Apr 20, 2010how can i retrieve the all foreign keys against a single primary key. i mean to say that if a table contain a primary key then it becomes as foreign keys in which tables.
i want to take that nam of that tables and on the base of that tables then i am to delete from all the entries. e.g: if a primary key's column entry deleted then all foreing key entries should also be deleted.
there are 988 tables in a single database. it can't be possible to go for each table to setup foreign key to ON DELETE CASCADE.
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i want to do it from programatically. i am using sql server 2005
i have completed this till to that , it retrieves all foreign keys but how to delete now on the base of priority.
[Code]....
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SQL Server :: Inserting Null Value Into Foreign Key Table With Allow Null Enabled?
Oct 2, 2010I have 2 table Table A, Table B.
Table A - Parent Table
ID - Uniqueidentifier not null(PK)
Table B -Child Table
ID - uniqueidentifier null(FK, TableA)
I have a stored procedure to insert data into Table B, but when I tried to insert a null value into column ID of table B, this error came up:
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sqlcommand.parameter.add(New Sqlparameter("ID", Nothing))
I am guessing adding nothing to the null value column is the problem, but i don't know how to fix it... The INSERT statement conflicted with the FOREIGN KEY constraint "FK_tableB_tableA". The conflict occurred in database "database name", table "table A", column 'ID'.
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I want to do the following;
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Jan 27, 2011I have a app that records some jobs and those jobs can have notes attached therefore i connected the table with a foreign key, my notes to a Job.
in the details view of the job i allow the user to view the jobs by sending the id and fulling all the notes that match the id in the index view for the notes table. in the list of notes i have a action link to create a new note, here i sent also the id of the job to the create action of the control and try to insert that intot he note JobId to make the reference. I get this error and the note is not created. the note creats from code but not via the note controller creat action.
i get this - An error occurred while updating the entries. See the inner exception for details. below is the create action in the note controller
public ActionResult Create(int id)
{
// var newnote = db.Jobs.Include("StatusNotes").Single(j => j.JobId == id);[code]...
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Jul 17, 2010I have tables two tables, the "book" and the "author", a book can have many authors and vice versa, so there is an intermediate table called "book_author" with two columns as foreign key for those two primary keys
book_author
book_id
author_id
I'm trying to edit the book details and also its author using the entity date model, The controller class method
[Code]....
The HTML edit form
[Code]....
I can only update the book table, but not author that the book has or the book_author, I'm new to asp.net, I can't easily find a tutorial on this issue, I think the logic is to delete the author of the book first and then add the author for that book, but I don't know exactly about that linq and C# code. Can show me? I can only update the book table, but not author that the book has or the book_author, I'm new to asp.net, I can't easily find a tutorial on this issue, I think the logic is to delete the author of the book first and then add the author for that book, but I don't know exactly about that linq and C# code.
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Jan 21, 2011I have set up a ASP.net MVC application which uses the default forms authentication. It uses the ASPNETDB.mdf like shown here:
I then set up another database connection which is similar to the NerdDinner.mdf file above.
I have a post that belongs to a user. It has a UserId value which needs to be a foreign key to the information in ASPNETDB.mdf. When I go to add a foreign key, I can only see information with regards to the table I made. How do I go about doing this?
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int COMPANYID = 0;
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Nov 26, 2010I have these two tables in my diagram:
the 1st:
PAR_TipiDocumento with
idTipoDocumento PK
idClasseDocumento
[...]
the 2nd:
PAR_ClassiDocumento with
idClasseDocumento PK
[...]
and a foreing key FK_PAR_TipiDocumento_PAR_ClassiDocumento from PAR_TipiDocumento.idClasseDocumentoto PAR_ClassiDocumento.idClasseDocumento.
This is my .cs code for the metadata:
[MetadataType(typeof(PAR_TipiDocumento_Metadata))]
[DisplayName("Tipi Documento")]
public partial class PAR_TipiDocumento[code]....
The problem is that in the Dynamic Data generated pages I correctly see all the display names "Tipi Documento" except for the header row of the PAR_ClassiDocumento table where I have "PAR_TipiDocumentos" (the plural generated by LINQ to SQL). The values under this column are correctly rendered as links to the PAR_TipiDocumento table with the right display name ("View Tipi Documento").
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Insert AccountID A Foreign Key Of HappyLand Table
Jul 9, 2010I want to insert AccountID a foreign key of HappyLand Table. I want AccountID of Happyland to be the same as the AccountInfoID of AccountInfo. I created a relationship between tables, but I still can't get it to insert the AccountID. I am inserting Data SQLDatasource3.Insert()
TABLE HapplyLand TABLE AccountInfo
ID INT primary key AcountID INT primarykey
AccountID INT foreign key email varchar(50)
Age varchar(50)
LastName varchar(50)
Phone varchar(50)
<asp:SqlDataSource ID="SqlDataSource3" runat="server"
ConnectionString="<%$ ConnectionStrings:PostPropertyConnectionString1 %>"
InsertCommand="INSERT INTO [HappyLand] ([AccountID], [Age], [LastName], [Phone]) Values(@AccountID, @agetxtbox, @lastnametxtbox, @phonetextbox)">
<InsertParameters>
<asp:ControlParameter ControlID="agetxtbox" DefaultValue="" Name="agetxtbox" PropertyName="Text" />
<asp:ControlParameter ControlID="lastnametxtbox" DefaultValue="" Name="lastnametxtbox" PropertyName="Text" />
<asp:ControlParameter ControlID="phonetxtbox" DefaultValue="" Name="phonetxtbox" PropertyName="Text" />
</InsertParameters>
</asp:SqlDataSource>
ConnectionString="<%$ ConnectionStrings:PostPropertyConnectionString1 %>"
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Oct 23, 2010I need to populate the foreign key coloum in the table.
i have three tables
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ptID
firstName
lastName
address
IMPLANT DETAILS
impID
ptID
productID
productSerialNo
PRODUCT
productID
productName
I am instering data in PATIENT DETAILS and IMPLANT DETAILS table on the same page from single button click .
I have a foreign key on the table IMPLANT DETAIL (productID) which i populate through the value on the dropdownlist .
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