Web Forms :: Changing Primary Key Value
Jan 8, 2013
I want to experiment that can we change the primary key value
I am making a table Employee with Id as primary key and name as other columns
and another table salery with emp_id as foreign key and salary as another column
on windows form
on button 1 click data should be inserted on both the tables is it possible
or i have to save the employee table first and then salary table
is it possible to give temporary id in salary as -1 -2 -3 and after inserting data in employee table it should take that id and replace with this one.
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Mar 6, 2011
I have the following gridview (ID=Gridview1)
I have added pid (primary key), chkblood,chkurine,chkstool,chkmalaria as datakeynames.
what I want to pull off here is .... when I click select I'll be redirected to this wizard
[Code]....
I did that....now I want to hide / skip steps in the wizard depending on the condition of checkboxes (chkblood, chkurine,chkstool,chkmalaria)
but I cant get the value from these non-primary datakeynames...
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Aug 25, 2010
i get the following exception (missing primary key) in the line of using Find() method "Table doesn't have a primary key." I've rechecked the Database and all Primary Key columns are set correctly.
DataTable dt = p.GetAllPhotos(int.Parse(Id));
DataTable temp = new DataTable();
temp = dt.Clone();
temp = (DataTable)(Session["currentImage"]);
DataTable dtvalid = new DataTable();
dtvalid = dt.Clone();
DataRow[] drr = new DataRow[1];
drr[0] = dt.Rows.Find((int.Parse(temp.Rows[0]["photoId"].ToString()))+1);
foreach (DataRow dr in drr)
{
dtvalid.ImportRow(dr);
}
dtvalid.AcceptChanges();'
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Nov 27, 2010
In the database one number like a 91-9685748596 and, 2nd number like 9122-9685748596 and another one is 9685748596 .when we are try to formate it using substring function it all are may be9685748596,9685748596,9685748596.Mobile number is assigned as a primary key.so its showing error "Primary key violation".We can not the remove primary key also and there are 50 lack data in our database.
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May 7, 2015
I am working on lazy loading page the problem is
when i bind first time page (10) records then primary properly bind with records and when my next 10 records load using lazy loading then the primary key not change it shows 1st records primary key
check the below code in which i am assigning assetid (primary key) but its not assigning properly...
function OnSuccess(response) {
//alert('testing');
var xmlDoc = $.parseXML(response.d);
var xml = $(xmlDoc);
pageCount = parseInt(xml.find("PageCount").eq(0).find("PageCount").text());
var customers = xml.find("AssetSummary");
[Code].....
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Jan 10, 2011
The problem is when am assigning my session table value to newly created table and if now am changing any coloumn name then the session table value also changing.
But my question is am assigning Session value to newly created table so how should session value should be affected?
for refference in my application
sessionState
mode="InProc"
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Jul 16, 2010
in my table i have userid and useremailid Now i have made both as primary key....but userid is integer type and auto increment in SQL server 2005.and i am able to insert dublicate value for usermailid which i don't want...How to handle this??
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Feb 18, 2010
I've got a grideview with a primary key as show below:
DataKeyNames="ActionID"
I've also got an Edit button inside:
<asp:Button
Text="Edit Record"
CommandName="outcome"
ID="btnEdit"
runat="server"
OnClick="btnEdit_Click"
CausesValidation="false"
/>
what's the best way to retreive the "Actionid" on the click event?
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Sep 21, 2010
i was given a form in which empid is varchar and i m supposed to auto increment it using a function and calling it ....i have never done this. plz help me out the way .
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May 2, 2010
I would like to know If I can Get the Primary Key of the Selected Row without display the PrimaryKey Column? I Created a S.P which return me a DataTable of the Customers Tables (There Details only, without there ID which is the Primary Key) I set it to GridView for Display the Customers list. Now, I want to get the Selected Customer ID (His Primary Key) How can I do this? I tried to set the DataKeyNames of the GridView to "CustomerID" But, it didnt recognize me CustomerID. what to do, to fix it?
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Mar 15, 2010
I have two tables customers and sales . I have a formview that inserts to customers (new customers). I want every time I insert a new customer automatically redirect to another page where I will make a sale. On table sales I have a column CustomerID which I want to automatically take the auto numbered CustomerID from Customers table.
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Sep 1, 2010
I have 2 GridViews. One is working perfectly. What I would like to have happen is when a row is selected on GridView1 (with Primary key of OrderNumber), the matching records from the field in GridView1 ClientID to show up in GridView2.
[Code]....
I think I've narrowed my problem down to CilentID is not a primary key, but still there should be some way to link them.
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May 27, 2010
I have gridview control on my webform and I have datakeyname setup on gridview, also I have up and down to button, on gridview,
when I click on down button on one row , I want to be able to get primary key of row right below , How can I do this,
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Mar 9, 2011
I can't get the primay key of my gridview1.
here's my code:
[Code]....
my gridview1 datakeynames = "ID"
during my debug, the irow is correct, however, when i check the 'keys' it says that the value is 'NOTHING'
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May 29, 2012
I have a button on gridview on click, the primary key value of the row must be stored in a label which located outside of gridview...
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Jan 20, 2010
i added one linkbutton in listview and set commandname="select" from sqldatasource.
now i want to get id which is datakeynames in listview. i try from selectedindexchanging but it is not going to this event.
after this i'll take this id and will use in session.
does anyone knows how to get this datakeynames in listview when commandname is set to select?
[code]....
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Jan 25, 2010
in gridview i hv columns like
name | phno. | emp_name(in dropdown) | buttonfield
wen user comes on this page this grid comes filled but then I need to select 1 emp_name from dropdown and click button(in last column) corresponding to that row. then on clicking that row button it should fetch that toq Primary Key and dropdown corresponding id. how? Wen I m fetching its fetching row index as 0 though it is no.4 record as per database(coz my records are in desc.order). I mean its giving row index as per grid and not as per my actual table(primary key).
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Jun 17, 2010
I have two gridviews, where the first is databound to a sql table (but does not display the primary key info), and want to filter the data displayed on the second gridview by using the primary key info from the first gridview table, indicated by the selected row in the first gridview - how I could achieve this? its kind of like using the gridviews as a menu and sub menu display!
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Jan 8, 2011
I was trying to get the callback eventhandler work for me with Dropdown and either of the radio(s). I know the sample of this in asp.net 2.0 where both the contorls are dropdownlists. Please help me to know is it possible?
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Aug 15, 2010
I'm building a user control to display detail information on a parent record. The user control will be displayed via an Ajax Modal Popup. The user control works and is displayed when expected. The problem that I'm having is that I'm not able to pass in the primary key for the parent. The control is displayed via the _ItemCommand event of a Repeater. In the markup for the user control, I explicity set the ContactId to 0 to avoid an error when the control loads (its still underdevelopment, eventually that I'll check if the value is valid).
I was assuming that I could change the property in the _ItemCommand event, but obviously its not working.In the Page_Load event this code successfully sets the ContactId property of the control. The _ItemCommand event appears to set the value. However when I set a test label on the user control to the Me.ContactId, its showing '0' as if it was never passed in.
[Code]....
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Mar 8, 2010
I have a textbox that takes an integer value, and a submit button that when clicked passes the value to a detailsview to display the database record at that index.
What I'd like to do is, when the button is clicked, compare the number to the keys in the detailsview's datasource so that if the record ID doesn't exist, I can display a label telling the user that the ID# doesn't exist.
How would I go about doing this? Is there some sort of compare method for the datakeynames property?
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Aug 9, 2010
I'm trying to create a Formview in ASP.net 3.5. The underlying SQL Server table does not have an identity field based Primary Key. The primary key is a 4 character user entered field. I have created the form and all looks good but I get the following error message when I try to insert a record
Could not find a row that matches the given keys in the original values stored in ViewState. Ensure that the 'keys' dictionary contains unique key values that correspond to a row returned from the previous Select operation.
I thought ViewState was supposed to resolve the issue. I have viewstate enabled on the page and the formview but that doesn't seem to make a difference.
How can I create a form view with a user-entered text field as the primary key and get the b.... thing to work?
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Sep 9, 2010
I am uploading excel file to database.In the excel file EmpFirstName,EmpLastName,Dates but i dont have EmpNo.can i use FirstName and LastName as primary key.
If not what is the other choice for selecting primarykey.
Excel File Data
FirstName Lastname Date
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Mar 10, 2010
I am thinking to use grid as the Primary key for every item created by the user.I have gone through then msdn page, and it say that it is very low probability to get the same guid and that atll.Does anyone know that how low the probabilty is to get the same guid because once the PK is set to use guid and if guid fail to appear unique, the whole systemm need to redone.
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Jul 6, 2010
I've got a linq to sql query all set up and for some reason it's trying to insert a value for the primary keys of one of the tables, even though I'm not specifying it at all.
Below is my code:
[code]....
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