Unable To Save Data Into Database?
Apr 11, 2010
I created a database in access 2007, linked it to my project in visual studio 2008 (vb). When I enter some data using the UI, it does not save it in the database, and it's gone as soon as I run the program again. I dragged the textboxes from the datasource panel, onto the UI..
this is the code that was automatically generated by vs for the save button:
Private Sub StaffBindingNavigatorSaveItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles StaffBindingNavigatorSaveItem.Click
Me.Validate()
Me.StaffBindingSource.EndEdit()
Me.TableAdapterManager.UpdateAll(Me.GartisDataSet)
End Sub
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Mar 13, 2012
I need a simple program which add,edit,save,delete data from database in vb.net. I have tried dataset or sqlcommandbuilder but both are not working. look at my code I have used with sqlcommandbuilder, it is not saving anything in database. provide simplest method to save data in database from dataset or direct from textbox. In this vb.net is not showing any error but not saving
'set up a connection string'
Dim connectionstring As String
connectionstring = "Data Source=|DataDirectory|inventorymanage.sdf;Password='XXX'"
Dim sqlquery As String = "SELECT * FROM ledger"
[Code].....
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Dec 7, 2009
I'm currently attempting to save data inputed into a data grid clicking the "save" button. My problem is, I also have another DB opened in the same window that also needs to be saved. The second database is pulled up by the contents of a text box, so there for it has no real Dataset to call on. It looks something like this.
[Code]...
I try to run the update command it always throws the exception "Cannot find table 0" or "Update unable to find TableMapping['Table'] or DataTable 'Table'." I tried declaring the connection the same way as the code above and then simply calling the da.update(ds) but it wouldn't do anything.
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Jun 1, 2012
I have a gridview with four template fields that I need to be able to put info into to save to the database. When I hit the edit button and my columns change into edit mode I can enter information just fine. But when I try to loop through the control to get the information it doesn't pick anything up?
Private Sub gvOLIAdj_RowEditing(sender As Object, e As System.Web.UI.WebControls.GridViewEditEventArgs) Handles gvOLIAdjst.RowEditing
gvOLIAdjst.EditIndex = e.NewEditIndex
BindData()
End Sub
Here is the update event that I have so far... any ideas? Am I just not doing this right?
Private Sub gvOLIAdj_RowUpdating(sender As Object, e As System.Web.UI.WebControls.GridViewUpdateEventArgs) Handles gvOLIAdjst.RowUpdating
Dim dts As DataTable = DirectCast(Session("BudgetsTable"), DataTable)
Dim row As GridViewRow = gvOLIAdjst.Rows(e.RowIndex)
[Code]...
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Feb 6, 2009
My problem is probably ignorance as to how the DGV works, anyway, the problem.I have a bound datagridview which is used to collect user input. Data for 3 of the 7 fields is entered by looping through the rows and progmatically entering common data anfter a 'Save' Button is pressed:
For I = 0 To DG1.RowCount - 2DG1.Rows(I).Cells(4).Value = TextBox1.Text 'OperatorDG1.Rows(I).Cells(5).Value = TextBox2.Text 'DateDG1.Rows(I).Cells(6).Value = TextBox3.Text 'Time NextDG1.Update Prior to this loop I delete the last unused row if its not a new row:
DG1.CurrentCell = DG1.Item(0, DG1.RowCount - 2)If DG1.CurrentCell.Value.ToString = "" ThenDG1.Rows.RemoveAt(DG1.RowCount - 2)DG1.Update()End If
At this point the DGV looks the way it should...All fields completed correctly and no un used ro except for the new row.
After saving :Me.ItemTableTableAdapter.Update(Me.StockMoveDataSet.ItemTable)The 'Operator', 'Date', and 'Time' are not saved to the database for the first row only I have tried EndEdit, Update, refocussing the currentcell/row all to no avail.
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Jan 20, 2011
find items, they get added to your inventory. But the problem is is that what you have say like 3 items in your inventory, and you close the application, all the items will go away because there's no way to save. So how would I make like the program to where it saves like a .DLL file (preferably .DLL not .TXT so users cant edit easy)? Is there a way to do this like maybe when they get an item, it
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Jan 6, 2011
I am a beginner in VB and I have a school project using VB 2008. I created a save button in vb but it cant save to Access 2007
Private Sub btnAdd_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnAdd.Click
[code].....
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Mar 11, 2010
i m using fallowing code for update, delete and save data it's working very well when i save new recored but when i update and delete recored it's showing error message "Dynamic SQL generation for the DeleteCommand is not supported against a SelectCommand that does not return any key column information."
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
If thismode = 0 Then
row = ds.Tables("state").NewRow()
row.Item("state") = TextBox1.Text
[code].....
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Jun 12, 2011
i am writing a mobile application to save some task. In this application i want save the data of task to the text file(*.txt). however, i faced some of the issues that i unable to save data to txt file due to the runtime error on file not exist but i have checked it and the txt file is existed. [Code]
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Jun 3, 2011
I am using MS Access 2007 as database and VB 2008 to build an application to show the content of 2 tables as a single table.I have two tables in MS Access and i have linked both the tables using "ID" as primary key(1st Table),foreign key(2nd Table). I used Query Wizard to show the data of both tables in a single table(3rd Table).I am able to view the content of all 3 tables using datagridview in vb 2008(Using Code), but i am unable to add,delete,save and search the content of the table using code. My concern is,i will be able to do all these operations using codes only.Would you please help me out in this.
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Nov 7, 2010
check the VB behind code for any syntax errors.
Unable to add new rows of data to a database using the DataGrid control.
Compilation Error message is located at [URL] View snap shot images of each line error at [URL]
The VB code behind reads (revision 1.3):
</script>
<body style="font: 10pt verdana">
<form runat="server">
[Code].....
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Oct 23, 2011
why i am unable to display datas from database.
If mConnection Is Nothing Then mConnection = New Odbc.OdbcConnection
' check if the connection is already open
If mConnection.State = ConnectionState.Open Then mConnection.Close()
[Code].....
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Feb 24, 2011
I am using SQLite.When I try to insert data into the tables I get the following:Mixed mode assembly is built against version 'v2.0.50727' of the runtime and cannot be loaded in the 4.0 runtime without additional configuration information.I am using ADO.NET 2.0 Provider for SQLite?
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May 13, 2011
I'm sure that I'm missing something really basic here, but I'm just not seeing it. I have the following
Public Sub InsertRow()
Dim employeenumber As String = employeeListBox.SelectedValue
Dim headsetnumber As String = headsetnumberText.Text
[code]....
and when I put a break point on the command.ExecuteNonQuery line, and then step through that, I'm never displayed the thankyouLabel.Text nor is my data being inserted into the database.
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Mar 12, 2011
I am unable to fill data in the OleDbDataAdapter I get an OleDbException with the following message Syntax error in FROM clause.at this line adapter.Fill(dataset, "User")
Here is the code
Imports System.Data.OleDb
Public Class Form1
Public connection As New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=D:MyDatabase.mdb;Persist Security Info=False")
[code]....
and also I have tried
Dim adapter As New OleDbDataAdapter
adapter.SelectCommand = New OleDbCommand("select * from user;", connection)
Dim dataset As New DataSet
adapter.Fill(dataset)
But I get the same exception Syntax error in FROM clause
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Aug 16, 2009
i m unable to update data into my database in vb 2008. the changes are reflected in the dataset but they are not reflected in database. i have set the datasource's copy to output property to copy if new but it is still not working.
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Jan 27, 2012
Here is the code for the loading the combobox. I want to load the combobox with the Name of client. so that user can select the Name and then the details which are associated with that ClientName are to be displayed in the desired textboxes.
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Nov 19, 2010
can anyone teach me how to save data in microsoft access database and retrieving it back from database?[code]so, how do i save it in that and how do i load their data by typing their ic no only..
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Dec 8, 2009
The main problem is I couldn't display the result when I retrieve data from database.
1. On Picture 1 above, for the Dg_Details, I set the Columns in two type, textbox and checkbox. But, for the datagridview1, I didn't set anything.So, when I bind data from database to Dg_Details and datagridview1, the datagridview1 display the data from database, but the Dg_Details doesn't display the data. Below is the code I written in my form :
Try
objCommand = Me.MyConnection_F.open.CreateCommand
objCommand.CommandText = "select Reg_Num, Reg, Golf, Course_1, Course_2, Course_3, Course_4, Course_5 from Invoice_Reg where Receipt_No = '00001'"[code].....
I think that's happen because the Dg_Details already set and it blocked the result data from database.
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Sep 26, 2011
I am facing a problem displaying the records of my table on the visual basic form I have created.
This is my code :
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
myconnection = New SqlConnection("server=HOME-PCSQLEXPRESS;uid=sa;pwd=123;database=college")
[Code]....
Note: my database name is "college" , table name is "demo3" . Table contains 2 columns namely name and roll no. How to display the data in those columns on the visual basic form that I have created ?
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Jun 18, 2010
Just curious on how i can save information, like settings, and usernames etc. in my app, but i dont have a database? Or say i wanted to create a licenc key for my app, how can i make sure a window comes up before it with a lic. key check or somethingl ike that.
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Nov 15, 2009
Do you have any sample project - OOP In VB.net?
a project that save data in database By oop(Object-oriented programming)
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Sep 6, 2009
I need to pick data from one database and save it in a different database.[code]...
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Jul 9, 2010
The following code runs without an error, however, it doesn't save the values PayStatus, ReceivedDate and Comments to the tblProjectPatients. These fields do exist in the table.
Eventhough Yes, No, Inv are set to True or False if checked or unchecked.
[Code]...
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Jun 16, 2010
how to save and show Richtextbox's data in database and retrive it in saved format and which datatype should be used to save that data. i am using vb.net and MY SQL?
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Jun 11, 2011
My first thread to as for something here but i like daniweb a lot i'm trying to save data from listview to sql server[code]...
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Mar 11, 2010
I'm what you could call a beginner database coder, so this may seem like a simple issue to some :DI am using Visual Basic 2010 Express and a SQL Database.I have a series of TextBoxes, ComboBoxes, and CheckBoxes that I would like to save to different fields in a database
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Dec 16, 2010
I am writing an asp.net application where people can write articles and save them in a database
Now I want them to be able to format their text and retain the format when the article is displayed in web form.
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Apr 30, 2010
I am quite new at this so bear with me. I am trying to just download data, save it row by row into a database, then upload it (sorta a backup). I am using vs2010 and VB. The database I have in vs is a .sdf (not sure if i should remake as a .mdf) and the download of data is working fine. Saving it into a table isnt going so well. I am using a form to click a button to start the download, and most of my vb code is in another vb file. Making it into a method is causing me no end of pain due to the object refernce errors and nonshared reference errors. But I go to far for this. Anyways I tried to use
[code]...
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Feb 19, 2009
I have problem with saving data to access db, im using vb.net2008 and access 2007 in WIn7, in form is datagridview and binding navigator when i click to save and close app and then open database in access 2007 the last row is not saved this is default save action [code]...
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