How To Select Last Added Record From Sql In VB Form
Apr 15, 2012
I wana know how can i use a value from a sql table that i added from another form?It basically supposed to validate that whatever was the last recorded added in the other form(eg formA) , i must then use those same values from the sql , into another form(eg formB).If i type a value in the textbox( in formB), it basically must validate that, the value i typed in, is not the record that was enterd in the other form(formA) (the last record added in that form)
Here is my coding that i did:
Dim conmid As New SqlClient.SqlConnection("Data Source=CHETS-TOSHIBASQLEXPRESS;Initial Catalog=PlanetDiscLibrary;Integrated Security=True")
[code].....
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Jun 7, 2011
my form isn't showing my newly added records in the database but when i close it and then open again it will show. I want to know how to add refresh button and it will automatically refresh itself..
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Apr 15, 2012
I have a access database with these columns. USER_ID,COUNT,TIMES
Let say the current record is this:
USER_ID,COUNT,TIMES
STEVE20,24,1.5
Now I want to updated the current count record and times, but before updating I want the old record to be added to the new record. What should be my query?
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Sep 9, 2011
I'm using the following code to add a new record to a table in the database. However, the DataGridviewthat's binded to the DataTable, isn't getting refreshed /updated.[code]...
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Jan 4, 2010
I am having a problem with adding a record to a customer table in a Microsoft Access database. I have worked for hours reading my textbook and troubleshooting to no avail. The copy and paste below from VS is a little messy. When I execute this code below the record is not added and I do not get an error of any type. When I go into debug mode, all of the parameters are correct and everything looks good. If I open up Access I can manually add the record but using my program nothing happens. All datatypes are string in VS and text in Access.
First an instance of the Customer Class is created and this seems to be successful. But when I take that customer object and run the AddCustomer method of the customer class it is not successful in that the database does not reflect that the record was ever added. [Code]
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Mar 19, 2010
This code is driving me nuts. I have no idea what I could be missing that is preventing a record from being added to the Database. Here is what I have
[Code]...
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Aug 12, 2009
What is the best method to reference a new record added to SQL?
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Mar 18, 2011
I have written a code which adds some information to a database. No problem with that since the records get inside the database. My problem is that the record I added always shows up on my Search. I tried changing the variables so that none will have the same names between the two forms but it still shows.Example:
1. I added a record of a book which has an id of 1, name of Cisco, and total of 50. I added it thru the debug function.
2. I added a record of a book which has an id of 2, name of Link, and total of 30. This time, I added it directly on the database file itself.
2. I created a search button which will show records depending on the input of the user.If I type "1" for the ID, the first record will appear on the datagrid. If I type "2" for the ID, both records will appear. If I type "3" which I doesn't have any record with, the FIRST record will still appear. To summarize it, the record that I added through the program itself will always show up on the query results, no matter what I type into.
Dim command As New OleDb.OleDbCommand
Dim adapter2 As New OleDb.OleDbDataAdapter
Dim bkId, bkTtl As Integer
[code].....
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Sep 10, 2011
When new record is added, I want the vb to look at the last record in the database, look at its id, add 1 to it (+1) and generate a new number and display it in the IDTextBox.
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Jan 31, 2012
I have a Combo box that list invoice numbers. When a user creates a new invoice I would like the Combo box to display that number and not the first number as it currently does
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May 7, 2010
I have run into this problem a number of times, and I am not sure what I might be doing wrong - or if this is just a bug, or not going to work.I have a collection that I setup on my own (eg, collection class). I then cycle a Log file that has text entires and I read those, and then parse the entry and attempt to add it to my collection.
But as each entry is added, ALL records just get duplicated - in other words, as I add entry 2, both entrys 1 AND 2 wind up with the same values - as I add 3, all 3 entries get the same value - and this continues no matter how many entries. For example,
if I added 100 entries, I would have 100 duplicates of the last record added.I have stepped through the debugger and watched this occur and just cannot figure out why this is not working as it should. Here is the code...
While
Not objReader.EndOfStream
' Read one full line
[code]....
No matter what I do, my lstSent collection just winds up with EVERY entry being the same as the last entry added.
End
IfFalse'
Add the elements into the collection if its a "Sent" itemElem = objReader.ReadLine
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Jun 24, 2012
I am developing an ASP.Net VB Web Application
The application contains a GridView which displays the records of a user table from my created datable. The database is an Sql server database.
The code below inserts data into one table and through the built in function @@Identity to insert the most recently added record id (tt_id) from the trainingTbl table and inserting that record id into the userAssessmentTbl. Adding the identity to the second userAssessmentTbl table works fine.
[code...]
The issue I'm having seems to be centered on how I insert a uniqueidenifier from a GridView into a userAssessmentTbl database!
And how, I guess using a loop I can insert the UserId records from that Gridview (GridView1) into the userAssessmentTbl table along with the looped id from the @@Identity.
This part of the insert parameter seems to be incorrect:
[code...]
And the error I'm met with is: 'Conversion failed when converting from a character string to uniqueidentifier.'
I've also tried it like this:
[code...]
And im met with the error: 'Operand type clash: int is incompatible with uniqueidentifier'
The qusetion has slightly changed to how do I Insert a String into SQL DB Where DataType Is Uniqueidentifier?
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Jun 22, 2010
I am a beginning programmer and am having a problem with adding a record to a customer table in a Microsoft Access database. I have worked for hours reading my textbook and troubleshooting to no avail. When I execute this code below the record is not added and I do not get an error of any type. When I go into debug mode, all of the parameters are correct and everything looks good. If I open up Access I can manually add the record but using my program nothing happens. All datatypes are string in VS and text in Access.
First an instance of the Customer Class is created and this seems to be successful. But when I take that customer object and run the AddCustomer method of the customer class it is not successful in that the database does not reflect that the record was ever added. [Code]
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Mar 13, 2010
I've read about @@Identity. I've also read that it's no longer supported. I get lost in the mountains of data searching provides.I'd like to get the "ID" field, which is an AutoNumber Primary Key field, when I insert a new record. There's got to be a simple way.
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Nov 9, 2010
I have Main and Detail forms. The Main form has ListView1. I would like to select new added ListViewItem in ListView1 when user click Save button in Detail form. I have problem only when I'm adding new item. When I modify and save existing item according item is selected after save command.
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Apr 16, 2009
I have been working on a project which is used by a company's sale team, to combine all the wanted input data in one place allowing the sales team to show customers, where switching to them could save them money.
Basically what i want is a program which can save single records, which can hold data added in other text boxes, or indeed take the data from the list view boxes which is the intended output. I want to be able to save that data, then be able to Open it up again at a later date, and even modify it.
enabled me to save the three ways to identify a single record, the index number, company name and the date it was added. However I now need a way to save the data entered in my other forms to these single records.
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Dec 15, 2011
I would like to get message, or true result when DataSet get new record (new row). But, I always get message as "no". [code] Button3 should return "Yes" as new record has been added, but does not? [code]
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Jun 5, 2010
I add my tab pages at runtime, I am trying to select a tab from a sub.
This is how i generate my tabs
Dim tp As New TabPage("User Management")
Dim f2 As New fmUserManagement
f2.TopLevel = False ' REQUIRED
[Code]....
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Jul 14, 2009
I am using Visual Studio 2005 (Visual Basic) and MS Access 2003 I am trying to build an application in the lines of the book "Doing Objects in Visual Basic 2005" by Deborah Kurata. So, I have a Data Access Layer (DAL) Class Library that is separated from the business logic layer (business objects) Class Library. I try to add a new business object such as a "Customer" to the Access Database, where the "Customer" table has a PrimaryKey "CustomerID" which is an AutoNumber field. I am successful in writing the values to the database, but I can't figure out how to know the "CustomerID" of a newly added "Customer" so I can populate the business object with the respective values.
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Feb 18, 2009
Hi how's it going. In the middle of coding a banking application for a project. Part of it involves mortgage interest repayments. Was wondering if there was any way of logging the time a new record was created and added to the database and then adding interest to the balance owed periodically every 30 days..
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Apr 1, 2009
I have created a project that has an add a new record, edit record and a search form, that has multiple text, combo boxes and is working great.Last nite I have added a checkbox under my add new record form and i am saving the checkbox value to my database, so far so good. I would like to be able to search any record that is mark with a checkbox to show up in my search screen when I do a search: [code] The problem that i am having is that now that I have added the code to my project to search for the checkbox field in the search screen and if I leave everything blank and click on the the search button I get no record found. I expected to see all that data, since I have nothing selected. Now if I click my checkbox, as soon as I click on my search button I see that two records that I have added for my test.
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Mar 8, 2010
I have a form which has controls binded to the dataset. When i load the form the first record from db gets populated. How do i select a particular record?[code]For example i want to select the record where slno=34. How do i do this?LuxCoder
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Mar 22, 2012
My code is: But I want to use like operator.
Sub Find2
Dim foundpos = bs.Find("myid", txtSearch.Text)
If foundpos > -1 Then'if record is found
bs.Position = foundpos ' setting grid current itemElse
MsgBox("not found")
[Code] .....
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May 8, 2009
I have a table and I need to select the record based on an Id. I only want to return the record that has the Max(Date) on a date field. How do I do that?
In SQL Server I use this
SELECT * FROM dch
WHERE EffectiveDate = (SELECT MAX(EffectiveDate) FROM dch
WHERE ID = 99) AND ID = 99
How can I do this in Linq. Unfortunately this app is coded in VB.NET as we inherited it that way.
I was trying these
Dim qry = (From dch In db.dch _
Where dch.Dealer.Equals(Dealer) _
Select dch.EffectiveDate).Max()
[Code].....
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May 25, 2012
I have this records in the table:
username, password, rights, allowance
admin, asdf, admin, 20
john, qwer, user, 10
peter, zxcv, user, 10
I want to select one record at a time
I used:
for i as integer = 1 to sqliteDataReader.FieldCount
dim ss as string = "select * from xtable where recno()=" & Ctr(i)
...
Next
But it doesn't get 1 record at a time.
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Aug 18, 2010
I am creating a very simple Voting System, that will be use on electing new set of officer in a teacher cooperative...
So I have to create two separate program, a Server Program that will manage all the information in the election and a Client Program where voters will vote their selected candidate...
The election officers wanted that the Server Program will display the Voting Results at real time... So when the Voter finished voting, The Voting Result displayed by the Server Program will also be updated every time the Client Program Insert the data to Database....
An action listener in Server Program that will execute if new data is inserted in a Table in the Database made by the Client Program...
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Jun 3, 2009
As in today i click on the button it will display the item when i hit again the button it will still display the same item and last for the whole. On the second day, i hit the button again it will display other items and last for thewhole day again.
[Code]...
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Mar 21, 2012
I have a BindingSource1 and a DataGridView1.
[Code]...
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Apr 26, 2010
I would like to select a record from my table based on a GUID using the following approach:
dim rows() as MyDataSet.MyTableRow = dataset.MyTable.Select("id = " & Guid.NewGuid.ToString)
but I get the following exception:
System.Data.EvaluateException was unhandled
Message="Cannot perform '=' operation on System.Guid and System.Int32.
What is the best way to select a record based on a GUID using vbasic.net from MS Sql Server?
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May 14, 2011
I have a dataset, which have a column create_date which have value(5/12/2011 12.54.00) , but i want to select the value from dataset with date only not by time (i.e. 5/12/2011),[code]
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