ADO.NET :: How To Insert Records In Multiple Table Using With Foreign Key With Linq To Sql
Feb 23, 2011how to insert records in multiple table using with foreign key with linq to sql?
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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
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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]....
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Oct 3, 2010I have multiple tables that are all linked back to a central table with foreign keys. I want to be able to create a new record in table 2, but I'm having trouble because I don't know how to create a new instance of table 2's record while referencing the ID of the record it will be tied to.
EXAMPLE:
Database: Collection
Table: Collection Field 1: id Field 2: name
Table: Book Field 1: collectionId Field 2: id Field 3: name
Now, I don't want to be able to create a book without setting it's collectionID, but I can't figure out how this should be divided in the controllers/views.
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Nov 12, 2010how i call a image field from another table? the image field in the same table is working fine but the one on the other table is not. I have created the foreign key and made the connection... What else do i need to do to call that field? Page Load:
[Code]....
int COMPANYID = 0;
[Code]....
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 %>"
Select Query In LINQ Based On Foreign Table
Mar 2, 2011I have 2 Tables , OrderDetails and Requests In my LINQ to SQL dbml file. OrderDetailsID is a foreign key in Requests Table. I want to write the query to get the sum of UnitCost from OrderDetails based on OrderId. And If there is a row in Requests Table for each OrderDetailsID, and the Requests.Last.RequestType="Refund" I want to reduce the total refund amount from the main sum otherwise If there is no row based on OrderDetailsID, add to sum. Here is the way I implement that. I am looking to prevent using "For each".
iRefund = (From od1 In dc.OrderDetails _
Where od1.OrderID =1 _
Select od1.UnitCost).Sum
Dim objOrderDetails = (From od1 In dc.OrderDetails _
Where od1.OrderID =1 _
Select od1)
For Each OrderDetail As ORM.Entities.OrderDetail In objOrderDetails
If Not OrderDetail.Requests Is Nothing Then
IF OrderDetail.Requests.Last.RequestType="Refund" Then
iRefund -= OrderDetail.UnitCost
End If
End If
Next
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Feb 27, 2011I have two tables with a foreign key constraint how can I delete rows from both of them in one transaction? linq to SQL seems to call my deletes in the wrong order. Is there somewhere I can check and make sure the constraint is recognized properly by linq to SQL??
DataContext.OtherImages.DeleteOnSubmit(myOtherImage);
DataContext.Images.DeleteOnSubmit(myImage);
DataContext.SubmitChanges();
The Foreign key constraint is on OtherImages.
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View 7 RepliesDatabases :: Multiple Foreign Keys In One Table Referencing The Same Column?
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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);
DAL.Datasets.dsMembers.MemPhonesRow rwmemphn = null;
rwmemphn = m_dsMembers.MemPhones.NewMemPhonesRow();
rwmemphn.u_memberid = ID;
rwmemphn.u_phn = "test";
m_dsMembers.MemPhones.AddMemPhonesRow(rwmemphn);
m_adpMgr.UpdateAll(m_dsMembers);
return ID;
The error I get is "The INSERT statement conflicted with the FOREIGN KEY constraint "FK_MemPhones_Members". The conflict occurred in database "Family", table "dbo.Members", column 'i_memeberid'.
The statement has been terminated."
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[Code]....
When i run the code, data gets inserted into table "implantDetails" only. Are multiple INSERT statments allowed?
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If you know an easier approach for inserting records at any position by having the ability to sort by the initially choosen order (index?)
Security :: How To Insert Records In Membership User Table
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Forms Data Controls :: Insert Multiple Records With Validation?
Jul 30, 2010Name
Product
section of job
Quantity
Max Quantity
A
ABC
offset print
100
1000
B
ABC
water base
200
1000
C
ABC
offset print
950
1000
How to insert multiple records like above at once, and how to manage quantity user input is not over max quantity. In example above: Max quantity of Offset printing is 1000 (bind from database, visible=false)
Woker A does Offset printing with quantity 100, C does Offset printing also but with quantity 950, if we sum quantity A and C do will be over 1000 Ã message box: warning