VS 2008 Finding The Valid Update Command?
Oct 15, 2009
This is for visual basic 2008 express edition.Ive been trying to update records from the table of my memrec.dbml and dbase1DataSet.xsd in the visual basic environment.Im not using any sql database server but Im just using the built-in sql server within the visual basic 2008 express.I was able to add records and retreived it to display in the textboxes.My 1st block of codes I used to edit records has an error message which says:NotSupportedException was unhandled - Sql server does not handle comparison of NText, Text, Xml, or Image data types.
My 2nd block of codes I tried to used doesn't have any error and it ables to change the records while at runtime but when you exit the program the changes was not save at all cause when you run it again the records that were changed during runtime goes back to its original records.Let me take you a look at the two blocks of codes
[Code]...
Questions:
1.What do you see as possible cause for having an error in 1st block of codes?What's the remedy for that?
2.For the 2nd block of codes,what is the valid update command to be added in the line in order to save the changes not just during runtime but until you exit the program and run it again?
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Sep 28, 2009
I have an issue with a data base updating it won't update for me in debgging mode it is stopping here on this bit of code which is highlighted in red. the error which comes up is .(update requires a valid update command when passed datarow collection with modified rows.)
Public Sub UpdateDataSource(ByVal ChangedRows As database.dataset1)
Try
'The data source only needs to be updated if there are changes pending.
If (Not (ChangedRows) Is Nothing) Then
[CODE]...
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Nov 14, 2011
sqlDA_FrmOTUnit_Delete_Select_Venue_Period_UnitName.Fill(SqlDS_FrmOTUnit_Delete_Select_Venue_Period_UnitName1, "OA_FrmOTUnit_Delete_Select_Venue_Period_UnitName")
Me.BindingContext(Me.SqlDS_FrmOTUnit_Delete_Select_Venue_Period_UnitName1, "OA_FrmOTUnit_Delete_Select_Venue_Period_UnitName").RemoveAt(0)
Me.sqlDA_FrmOTUnit_Delete_Select_Venue_Period_UnitName.Update(SqlDS_FrmOTUnit_Delete_Select_Venue_Period_UnitName1, "OA_FrmOTUnit_Delete_Select_Venue_Period_UnitName")
the row gets delete in the dataset when i put RemoveAt(0). But when i want to refelect in the database, it gives me the error: "Update requires a valid DeleteCommand when passed DataRow collection with deleted rows."
Primary Key Issue!!!! Hell such a litttle mistake mannn... toooook so much time and so irritating...
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May 29, 2009
I am completly flummoxed!!! I have writen code for updating my table from a form but when I use the same code only changing the table names it wont work I get the following message: "Update requires a valid Update Command when passed DataRow collection with modified rows" My codes are as follows:
[Code]...
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May 1, 2010
I'm going through a book which is teaching me some basic coding principles of the language. The current section is detailing how to set up a master child form using two tables linked with a foreign key. The master table is displayed as a number of text boxes, and below is a grid with the child table which shows related records to whatever master record you happen to be checking out. At the top of the screen are the default navigation controls that are added with the grid. The master table is named Person and the child table Book. They are linked using a foreign key and have cascade set up on them.
The book informed me of the code required under the save icon on the navigation control so that when it is clicked both tables will be updated as required. It is as follows:
If Validate() Then
'Make sure editing has completed on both master and child tables
Me.BookBindingSource.EndEdit()
Me.PersonBindingSource.EndEdit()
[Code] .....
I have double checked that the code matches that shown, so this should in theory work fine. But if I manually delete a record from the Book (child table) grid and then click the Save icon on the navigation bar it comes up with the error "Update Requires A Valid DeleteCommand when passed DataRow collection with deleted rows".
Why changes made are not permanently saved to the database? I gather that it's using a "copy" of the data in the database but how do I get the code/form to make changes to the actual underlying database records as well as just the copy? I find this system very unusual, if someone deletes a record in the application why would anyone want this to be just done temporarily?
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Jun 15, 2011
When ever I try to update a record from data grid using a dataAdapter record it always showing ' update requires a valid insert command when passed data row collection with new rows' From specific sql server Table only. Resulting me holding up a project.
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Jun 30, 2009
I'm trying to get a database to add a new row on this form. The user types a word into a text box, clicks save, and it should update the database. The table is called "text" for now, it's an Access DB, and it has two rows: ID, and userText. [Code]
I get the error at the da.Update line when I click Save. The full error is "Update requires a valid InsertCommand when passed DataRow collection with new rows." I'm not sure if I have to add an INSERT command somehow or if something in the code needs changing. If I add this line to the Save routine, I get an "Syntax error in INSERT INTO command": Dim cb As New OleDb.OleDbCommandBuilder(da)
I don't know if I should leave that out or keep it in since both give me errors.
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Mar 3, 2011
I'm not sure if this belongs in the database section or the NET section. I will leave that up to the moderators. I have converted a few of my VB6 systems to NET. However, I have retained the ADO coding technique. I probably need to update that. Below is a sample from one of my applications. As you can see, I retrieve the data and, based on conditions, I then issue an UPDATE command. From what I have been reading (and not really grasping) a DATASET/DATA ADAPTER combination will do the same thing. If so, could somebody rewrite this small block of code using "proper" ADO.NET techniques. If I see my own code rewritten it will be much more meaningful to me.
Dim cnxn As New SqlClient.SqlConnection(cnxnstring)
cnxn.Open()
Dim sql As New SqlClient.SqlCommand
sql.CommandText = "SELECT * FROM PART WHERE LTRIM(RTRIM([PARTNUMBER])) = " & "'" & Trim
[CODE]...
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Jan 28, 2009
I can't figure out how to update a field in a MySQL db using MySQL Connector Net 5.2.5. Can anyone show an example code?
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Jun 2, 2009
I am trying to use the following code, however if my searchString variable contains a # (hash) then it is not being found. Why is this?
[Code]...
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Jun 2, 2009
I am trying to use the following code, however if my searchString variable contains a # (hash) then it is not being found.
dim searchString as string = "*simon#*"
If line Like searchString Then
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May 25, 2010
I have been on a database project for a while now. I wanted to be able to make changes to my database using the update command of a Datagridview control.However, I have been faced with a series of unsuccessful outcomes.I want to do this how do I go about it?
[Code]...
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May 19, 2009
i'm having a little trouble with a listbox. [Code]. i want the button command to run through the listbox items and proceed with given command. it's not listbox1.items.indexof(#), it's something else i'm missing.
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Jun 12, 2011
Here's my code
Dim suppQuery As String = "SELECT [Supplier ID],[Company],[Last Name],[First Name],[Email Address],[Mobile Phone],[Office Phone],[Address],[City],[ZIP/Postal Code],[Notes] FROM [Suppliers]"
Dim dsSupp As New DataSet
Dim daSupp As New OleDbDataAdapter(suppQuery, cnPharma)
[CODE]...
It errors on the da.Update line and by the way if it helps, the text fields are a product of datarowview. that is when you select an item on the listbox the details of that appears on the text fields. and my goal is i could edit those text fields and save them.
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Jan 27, 2010
We know:"UPDATE tt SET Points=" & iPoints & " WHERE Ref='" & sRef & "'"Can we update several records using UPDATE command at one time?
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Sep 29, 2009
I'm trying to add information to a SQL database. I've had trouble getting it to update (and I'm only doing one entry at a time!). However, even one at a time gives me trouble. The red line of code gives me this error: Update requires a valid InsertCommand when passed DataRow collection with new rows. what I'm doing wrong--I think it may be syntax, but I'm think the parameters are correct.
[Code]...
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Apr 12, 2011
I have a basic Table and I can add and save data, but when I try to delete, I het this error:
[Code]....
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Feb 11, 2010
is there a way to update a database row with the update command by first defining all parameters and then all values just like you can in the insert command? "insert into table1 (parameter1,parameter2,....) values (value1, value2,....)"something like "set table1 (parameter1, parameter2) values (value1,value 2,...) where ...."?because I only know the syntax to define each parameters value "set table parameter1=value, parameter2=value2... where"
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Dec 29, 2010
I am creating a form that creates new users and then updates them to a dataset, I have done this ok, but I am getting a runtime error when I delete a record. Please see below the exception being thrown
"Update requires a valid DeleteCommand when passed DataRow collection with deleted rows"
My code below
CODE:
So I know I need to add a delete command, but how do I write this in code and do I write it in the saveitem click event? I guess I would because the app crashes when I click save to update the dataset.
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May 10, 2011
Update requires valid UpdateCommand passed DataRow collection modified rows. When I run the following code. But the strange thing is that I have similar code on another form and it works great. The only difference is the database table is different. I verified both tables and they look identical, as far as settings. I have verified that _Non_MS_Office_Licenses has a primary key that is unique. Looking in dataset manager I see the query for fillBy() is fine and it has all the insert and update stuff. At the end when it verifies it says all is verified when I configure the dataset
Dim row = FrmApp.Non_MS_Office_LicensesBindingSource.Current
row("Primary User") = Replace(CStr(TxtUserid.Text), "'", "`")
row("Staff Last Name") = Replace(CStr(TxtLastName.Text), "'", "`")
row("Staff First Name") = Replace(CStr(TxtFirstName.Text), "'", "`")
[Code]...
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Apr 25, 2009
I'm trying to update my database with a datagrid view.New rows seem to add fine, but I get an error that says I need a valid DeleteCommand after I delete rows on the dgv.
Private Sub btnDelAccount_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnDelAccount.Click
For Each r As DataGridViewRow In dgvAccounts.SelectedRows
dgvAccounts.Rows.RemoveAt(r.Index)
Next
End Sub
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Mar 21, 2011
My program is doing good when I suddenly bumped into this problem.I dont know how to do the next functionality that I need to accomplish.I am done with inserting values, showing the gridview etc and it works great. Now my problem is the update command.
I have 2 tables
table:tblDest
Fields:
destLastName
destFname
[Code]...
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Jun 12, 2009
i am writing a code where the user will update the staff,but my update command has some problems. i think its the comma's in my command,
[Code]...
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Jul 4, 2009
I'm struggling to work with data in VB 2008, and find it extremely complicated! At first I couldn't even get a database to load, as VB 2008 kept complaining it was created with an older Jet engine.OK, I converted it to a newer Access format that VB 2008 finally accepted.
In trying to find out why changes weren't saved, I found a common problem was VB 2008 wiping out changes.OK I have told the compiler not to copy the older database file back over but to copy newer.Updates then supposedly happened --- no errors were reported --- but the changes were still not saved.It appears the update method didn't exist in the datatableadapter, but I got no error messages about that.
No update done.
I've used the tools to configure the dataset and datatableadapter.Automatic generation of methods like update, add new, delete, etc. were supposedly done.Now, when trapping the error, I'm told the update method isn't a valid one.I found little information on that. It suggested primary keys could be a cause, but adding or deleting a primary key has no effect.I can see the fill method, and it works fine.I can't see the update method. (Apparently it is in SQL which I don't know anyway.)
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Mar 29, 2011
[Code]...
Im clearly opening it there and its valid as i use the same connection to login with, anyone know the problem?
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Jun 1, 2011
I'm trying to save the edits I'm doing to a dataset by using the tableadapter.update command and get this error when I attempt to do so:
Update requires a valid UpdateCommand when passed DataRow collection with modified rows.Whats the correct syntax for doing this? I have this as the update command in my
Private Sub SaveExceptionButton(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles saveexceptionsButton.Click
Try
Me.Validate()
Me.Scratchpad3BindingSource.EndEdit()
[code]....
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Apr 27, 2011
I am trying to update a column in my database with the date selected from a control on my ASP.NET web page. I need to ensure that the code is correct because nothing is updating in the column.
Code:
Command = New SqlCommand("UPDATE Parking SET ParkingStartDate = @StartDate1 WHERE Parking_ID = @radio)", myConn)
Command.Parameters.Add("@StartDate1", SqlDbType.Date).Value = StartDate.SelectedDate
Command.Parameters.Add("@radio", SqlDbType.VarChar).Value = radio
Command.ExecuteNonQuery()
myConn.Close()
if the column is already NULL, is it correct to use the update statement?
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Jan 16, 2009
I have this code that works for adding a record.
Dim da As New OleDbDataAdapter("SELECT TrainingTitle, TrainingDate, TrainingInstructor, TrainingDescription FROM tblTrainingHistory", TRAININGcn)
Dim ds As New DataSet
da.FillSchema(ds, SchemaType.Source, "tblTrainingHistory")
da.Fill(ds, "tblTrainingHistory")
[Code]...
But I wanted to show the autonumber to the user for reference. How do I know what the autonumber is?
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Apr 30, 2011
i Have a SqlDataBase in Which It Have Three Fields Namely **" mc , amount , customername Now I am Update this Fileds Using Upadte command In vb.net Form now Wat I Need is I Want To Add This New Value While Updating With the Previous Value
[Code]...
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Dec 13, 2011
I am using VB 2005 and the following code returns an error: No value given for one or more parameters. I swear I've done this before without any problems but I can't find my original code.[code]I tested the value of oldid which is set earlier and it does have a value.
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