Unable To Insert Data Into Sql Database
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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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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Jan 11, 2012
I want to insert records in the database but before it inserts, it must first check the database whether the value being inserted already exists. Now my problem is that I am unable to insert into the database even though the value still does not exist.
Here's my code:
Dim check As New SqlCommand
Dim sqlcheck As String = "SELECT SerialNumber FROM EquipmentDetail WHERE SerialNumber = '" & TextBox1.Text & "'"
connection.Open()
[code]....
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Feb 24, 2011
The below code is suppose to create a database and a table with a column "FirstName" which is assigned a value "James"
Imports System.Data.SQLite
Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
[Code].....
But for some reason the app only creates a a database which has a size of 0 bytes. Why is it not working . I am using I am using SQLite ADO.NET Provider. , VS 2010, Winforms
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Mar 13, 2011
I am trying to insert data into access table using VB.Net 2008. But each time I am getting error: "Syntax error in INSERT INTO statement". I typed following code.
On Error GoTo errores
Dim cn As OleDbConnection
Dim cmd As OleDbCommand
[Code].....
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Sep 17, 2010
I got a system which i want to insert, delete, update the data into my database and the data from database will be display using datagrid. The below is the coding for one of my button, delete.
Private Sub btnDelete_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnDelete.Click
Try
btnSearchEmpNo.Enabled = False[code].....
Now I wanna set when user click on this button to delete a employee (for example) then the datagrid that i have in my application will not show the data of the deleted employee but in the background, the employee haven't been deleted from database.The employee only will be deleted from database when the user click on SAVE button.I know this application have to use RowState but how?
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Dec 14, 2011
What I want to happen is that the button from my system will remove the previous data from database and then insert new data to database from text file. Im done with inserting new data. The thing is that I dont how to control or where to put the Delete Command from my code.
[Code]...
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Jun 22, 2010
im in the middle of doing sql queries i can search my data base usingGetDateFrom (Select, from, where) Me.nameTableAdapter.FillBy(namenDataSet.descip, Me.box1TextBox.Text,Me.box1TextBox.Text, Me.box2TextBox.Text, Me.box2TextBox.Text)i have this working fine im struggling with inderting data to my databse i have made the query ..
INSERT INTO `details` (`Forename`, `Surname`, `Username`, `Password`)
VALUES (''& ForenameTextBox.Text &'', ''& SunameTextBox.Text &'', ''& UsernameTextBox &'', ''& PasswordTextBox &'')
[code]....
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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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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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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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Nov 9, 2009
when i try to insert data from database into dataset using data adapter, it takes long time, i want to use hourglass but i'm confused how or when i type the code so user will know that application still work.
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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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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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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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Aug 7, 2011
how can i insert a data into the database sql when i choose one radio button and one chekbox i have 4 radio button and chekbox?
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Nov 4, 2009
how to insert data in a database?i have every thing set up ..i only need to code to when you click it inserts in the databse..
buy the way i have an obdc set up.is there a way to make it update ?
so if i insert data in the application it updates the mysql databse to?
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Jan 10, 2010
I'm using visual studio 2005 to develop a mobile application. The database i'm using is sql compact edition. I know in normal sql like mysql, ms sql i can do a multiple insert of data but in sql ce it don't work!
I know of a long way that is to just create a createVendor1, createVendor2 as many time as i need to insert the data..but i don't think this is the right way to do it. this is what i have currently, if i remove the 2nd insert , it works. NOTE: There is a semi colon at the end of the insert but that is not the problem as removing it also doesn't work.
Private Sub FormOrder_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim createVendor As SqlCeCommand = connection.CreateCommand()
[Code]......
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Nov 21, 2011
I have this code:
Dim myConn As SqlConnection
Dim cmd As SqlCommand
Dim sqlstring, DNAME, DEXP, DCREATION, DLASTUPDATE, DCOMMENTS As String
[code]....
When I execute, it gives me this error:Cannot open database "DOMAIN_NAME" requested by the login. The login failed.Login failed for user 'comm-pc10pcuser10.comm'.and it highlights myConn.Open() I have SQLServer 2008 and a user name and pass for my database.
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Apr 21, 2010
I able to insert new row into my datagridview. but dont know how to inserts all the row into my database
this is my code to insert new row into my datagridview[code]...
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Sep 14, 2009
I have used Access databases before so thought I'd try something different. My problem is that when I try to add a new record to one of the tables in the databasethe code runs through fine, but the data is not added into the table :S have probably missed something simple, but it's been a while since I did any projects using a database.Here's my code:
Imports System.Data.SqlServerCe
Public Class Form1
Dim con As SqlCeConnection = New SqlCeConnection("Data Source=C:UsersMattDocumentsVisual
[code].....
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Jul 19, 2010
I verified data types that are being inserted to insure that this is my problem. I dont see any exception errors.Am i missing a veriable or something that is related to my connection.
Imports System.Reflection
Imports System.Data.SqlClient
Imports PSXSTL.Data.DataAccess
[code].....
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Jul 30, 2009
How to i insert Variable @ClassID(If Identity Propeties) @LecturerID , @StudentID and a Date from Calendar Control into the Date Collumn , into a Database Called Fingerprint, TableName= Attendance.
The Collumn Are ClassID, LecturerID, StudentID, Date.
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Mar 9, 2009
im creating a windows form where it will read data in a file n extract the data into the database.. the data in the files are in this format :
20090301,C4933,ASB02
20090301,C4933,BL689
20090301,C4933,BL707
[code].....
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Oct 7, 2009
How can i get the data from an xml webservice method ( i mean the element from the method ) and insert it into database, i actually know how to get the elements from a physical file on local machine. but i dont know how to get the elements from webservice.. Steps :1 Get the data into xmldocument ( but how can i read the elements from methods of webservice ) *im stuck here 2 Parse it 3 insert it into database logic used to get data from local machine xml file
Dim inventory As New XmlDocument() "C:inventory.xml")
inventory.Load(
Dim elements As XmlNodeList = inventory.SelectNodes("//inventory/items/item")
[Code]......
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Jun 22, 2010
so i need someone correct my coading to insert data from text field into database mssql... below is my coading;
Protected Sub btnSimpan_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnSimpan.Click
Dim dtTemp As New DataSet
[Code]......
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