VB.Net (Visual Basic 2005) And MySQL 5.0.41
Jun 15, 2007
Please help me, i am having trouble in Adding data in MySQL Database, and even in Getting or retrieving Data as well.
I use the connection string of Visual Basic 6.0 (ODBC 3.51). Nothing goes wrong with the connection but in updating and adding new data in the MySQL Database then...that's it, nothings go Right!
Please help me in this matter, or can somebody to please give me some simple codes like Address Book using the Visual Basic 2005...
pls pls pls pls pls.... thanx a lot!!!
polarmont@yahoo.com
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Feb 22, 2007
Hi i am trying to trying to delete a reocrd from a Microsoft Access Database in Visual Basic 2005 Express Edition, but come up with this error with the following code. I'm new to vb 2005 and I'm no expert. Appreciate any help given.
-----------------
InvalidCastException was unhandled
Unable to cast COM object of type 'System.__ComObject' to class type 'System.Windows.Forms.TextBox'. Instances of types that represent COM components cannot be cast to types that do not represent COM components; however they can be cast to interfaces as long as the underlying COM component supports QueryInterface calls for the IID of the interface
Dim db1 As Connection
Dim rs As Recordset
db1 = New ADODB.Connection
db1.Provider = "Mircosoft.jet.OLEDB.4.0;"
db1.ConnectionString = "Provider = 'Microsoft.Jet.OLEDB.4.0';Data Source = 'M:Year2 New262CSvb cwrk1vb cwrk1orders.mdb';"
db1.Open()
rs = New ADODB.Recordset
rs.Open("select * from orders", db1, ADODB.CursorTypeEnum.adOpenDynamic, LockTypeEnum.adLockOptimistic)
txtOrderID = rs("OrderID")
txtProduct = rs("Product")
txtPrice = rs("UnitPrice")
txtQuantity = rs("Quantity")
txtDate = rs("OrderDate")
txtRecieved = rs("Received")
txtSupplierID = rs("SupplierID")
Also when i try to add a record to a database i get the following error i have made sure all the data i have typed in the text boxes are the correct data types.
COME Exception was unhandled
No value given for one or more required parameters.
Dim objcommand As Command = New Command()
Dim conn As Connection = New Connection()
Dim cmdreader As Recordset = New Recordset
conn.Open("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=M:Year2 New262CSvb cwrk1vb cwrk1orders.mdb")
objcommand.ActiveConnection = conn
Dim stqSQLInsert As String
stqSQLInsert = "INSERT INTO Orders(OrderID, Product, Unitprice, Quantity, Orderdate, Received, SupplierID) VALUES (txtOrderID.Text, txtProduct.Text, txtPrice.Text, txtQuantity.Text, txtDate.Text, txtReceived.Text, txtSupplierID.Text)"
objcommand.CommandText = stqSQLInsert
cmdreader.Open(stqSQLInsert, conn, CursorTypeEnum.adOpenDynamic, LockTypeEnum.adLockOptimistic)
objcommand.Execute()
cmdreader.Update()
Thnx to any who helps...
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Jul 10, 2007
Hello,
Iam new to Visual basic 2005, I have installed SQL Express and prefers to use ADODB to connect to the database.
This is the code i tried
con.Open(cstring1 = "Provider=SQLNCLI.1;" _
& "Server=(local);" _
& "Database=D:VS 2005 ProjectsMyDB.mdf;" _
& "Integrated Security=SSPI;" _
& "DataTypeCompatibility=80;" _
& "Data Source=server1sqlexpress")
The error is comexception was unhandled,
SQL Network Interfaces: Error Locating Server/Instance Specified [xFFFFFFFF].
Can anyone help me out.
I have SQLExpress installed and Visual studio 2005 installed.
Connection string for ADODB ??
Regards,
Sathyan
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Nov 21, 2007
Hi all, I have a var called sEP which contains a number. The problem I have is calling that var during an SQL query within Visual Basic. To test the update string I wrote the following query and simply told it to enter the text "Five Stars" on the row which contains the entry '1' in Episode Number column. It works fine. UPDATE JackBennySET Rating= 'Five Stars'
WHERE ([Episode Number]= '1') But how do I replace the '1' in the query with the var sEP (which will contain the actual number I want the query to run against)?I have tried various suggestions from sources including:UPDATE JackBenny SET Rating = 'Five Stars' WHERE [Episode Number] = '" + sEp + "'However, they all fail to update the database at all which makes me think the syntax is incorrect.Any help is very appreciated (I have been seeking help in various places for 2 days now) - I always send small paypal tips to people who help me on forums.
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May 9, 2006
yiotis writes "Is there a way where you can programmatically (via visual basic) replicate two or more SQL Express databases located on multiple computers without the need of SQL Server 2005 acting as a publisher. From what i understand this is a limitation in SQL Express.
Right now i have SQL Express installed on 2 machines. I am able via vb to communicate with each database, read and write data between databases but cannot seem to figure out how to perform a simple replication.
Bottom line is, i need to be able to replicate via vb code 2 sql express databases with each other.
Thanks"
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Jan 17, 2006
I found the following article:
http://msdn.microsoft.com/vbrun/vbfusion/usingsqlexpress/
downloaded the files for it
ran the program and encounter an error about Error Locating Server
anyone tried using that code?
any ideas what I am missing?
thanks.
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Sep 16, 2007
Hi everyone.
I try to develop an application where one of the items is files management. I wish to store the adress (local disk) into the MS SQL 2005 table and from one form, with some controls (AxAcroPDF), to access this pdf files.
Can someone help me?
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Oct 8, 2007
Hi, i am new to sql server and visual basic, i need to connect my sql server database to a new application i've developed in visual basic 2005 express. Can any one tell me the steps to do this. Many Thanks.
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Apr 20, 2007
Hi everybody:
I go to Server Explorer, right click on Data Connection, input the server name (that is, my own computer), give a new name to the database to create, and then inevitably get the error window saying:
An error occurred while establishing a connection to the server. When connectiong to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL server does not allow remote connections. (Provider: Named Pipes Provider, error 40, could not open a conection to SQL Server)
So, how to open a connection to SQL server 2005? I looked in the msdn but found absolutely nothing.
Please help
Paolo
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Sep 25, 2006
We recently installed SQL server 2005 on a couple of our servers. I use Visual Basic 6.0 at the moment and use ADO to connect to our various SQL servers.
I recently discovered on one of the new servers, that every time my programs runs, (every 4 minutes for 12 hours a day) the SQL process shown in task manager grows by 1-10 Megs.
The SQL process was at 776,912K when I rebooted this afternoon. It started back up at 106,120K.
I am not doing anything differently than I did when my programs were talking to SQL 2000, and I have never seen this memory leak issue. Is there something extra I need to do in SQL 2005 to finish/clear these SQL queries and not bog down SQL's memory?
An example of how I would connect and do a SQL transaction:
Dim cn as ADODB.Connection
Dim rs as ADODB.RecordSet
Set cn = New ADODB.Connection
Set rs = New ADODB.Connection
cn.Open strConnect
select1 = "select firstName, lastName from clients"
rs.Open select1, cn, adOpenKeyset, adLockOptimistic
If rs.EOF = False Then
rs.AddNew
End If
rs!firstName = Trim(Text1(0))
rs!lastName = Trim(Text1(1))
rs.Update
rs.Close
cn.Close
At the end of the program's run I would:
Set cn = Nothing
Set rs = Nothing
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May 27, 2007
Hi,
I'm a complete novice concerning SQL Server (Express Edition)
I'm trying to Add or Delete rows froma VB 2005 Express Function or Sub. While the program is running everything is ok. Except when restarted added records are gone and deleted records are back.
Have i missed an option during installation?
Thx,
Steven
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Sep 13, 2006
HiIm trying to connect Visual Basic Express 2005 to a remote SQL Server Express 2005. I cant find how i can do that in VB.net Express.In Web developer there are no problem to connect to a remote SQL server but i cant find it in VB.net Express. The XP with the SQL server that i want to connect to is on the local network. Greatful for help!
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Aug 18, 2006
This problem only occurs after deployment, not when debugging. In the table I am having a problem with I have an ID field designated as the primary key with the identity increment set to 1 and the identity seed set to 1. There is no data in the table when deployed. I can add records to the datagridview control but when I try updating the dataset I get this error indicating that the ID field already has a value of 1 present. If I close the application and re-start it, the exception no longer occurrs when I update the dataset. I am including the code to update the tables incase something is wrong there. Any suggestions?
Private Sub UpdateMemberTable()
Me.Validate()
Me.TblMembersBindingSource.EndEdit()
Me.TblMembersTableAdapter.Update(Me.ChurchFamilyDataSet.tblMembers)
Me.TblMemberDependentsBindingSource.EndEdit()
Me.TblMemberDependentsTableAdapter.Update(Me.ChurchFamilyDataSet.tblMemberDependents)
Me.TblMemberContributionsBindingSource.EndEdit()
Me.TblMemberContributionsTableAdapter.Update(Me.ChurchFamilyDataSet.tblMemberContributions)
End Sub
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Aug 12, 2007
Hi,
I am developing an application for pocket pc 2003 smart device which utilizes synchronization between SQL CE 2005 and SQL server 2005 by means of REMOTE DATA ACCESS method call PULL( ) and PUSH( ) but currently these are the details of the error Im encountering when PULL( ) method is called:
Error code: -2147467259
Descripion: An error occured on the computer running IIS.Restart the IIS server.
Minor error: 28022
Source: SQL server CE
Currently Im developing this application as a final project and due to some limitations I have setup my pc to act as the SQL server and the IIS server both on the same machine.
Any help will be appreciated, thanks.
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Jun 13, 2007
Hi Guys,
I created a Product database table using Visual Basic 2005 Express and SQL Server 2005 Express. I have just added a new column [Picture] to the database table, which of course, should store an image or picture of a product. I am writing to kindly ask you guys for help .
i) How do I include image files into this column [Picture]?
ii) How do I get this image to display on Visual Basic 2005 Express form, so that when a product is selected the product image is displayed accordingly?
Your help much appreciated. Thanks.
Paul
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Jan 17, 2008
Hi all,
In my SQL Server Management Studio Express (SSMSE), I executed the following sql code suuccessfully:
--insertNewRocord.sql--
USE shcDB
GO
CREATE PROC sp_insertNewRecord @procPersonID int,
@procFirstName nvarchar(20),
@procLastName nvarchar(20),
@procAddress nvarchar(50),
@procCity nvarchar(20),
@procState nvarchar(20),
@procZipCode nvarchar(20),
@procEmail nvarchar(50)
AS INSERT INTO MyFriends
VALUES (@procPersonID, @procFirstName, @procLastName, @procAddress,
@procCity, @procState, @procZipCode, @procEmail)
GO
EXEC sp_insertNewRecord 7, 'Peter', 'Wang', '678 Old St', 'Detroit',
'Michigon', '67899', 'PeterWang@yahoo.com'
GO
=======================================================================
Now, I want to insert a new record into the dbo.Friends table of my shcDB by executing the following T-SQL and Visual Basic 2005 codes that are programmed in a VB2005 Express project "CallshcDBspWithAdoNet":
--Form1.vb--
Imports System.Data
Imports System.Data.SqlClient
Imports System.Data.SqlTypes
Public Class Form1
Public Sub InsertNewFriend()
Dim connectionString As String = "Integrated Security-SSPI;Persist Security Info=False;" + _
"Initial Catalog=shcDB;Data Source=.SQLEXPRESS"
Dim connection As SqlConnection = New SqlConnection(connectionString)
connection.Open()
Try
Dim command As SqlCommand = New SqlCommand("sp_InsertNewRecord", connection)
command.CommandType = CommandType.StoredProcedure
EXEC sp_insertNewRecord 6, 'Craig', 'Utley', '5577 Baltimore Ave',
'Ellicott City', 'MD', '21045', 'CraigUtley@yahoo.com'
Console.WriteLine("Row inserted: " + _
command.ExecuteNonQuery().ToString)
Catch ex As Exception
Console.WriteLine(ex.Message)
Throw
Finally
connection.Close()
End Try
End Sub
End Class
===========================================================
I ran the above project in VB 2005 Express and I got the following 5 errors:
1. Name 'EXEC' is not declared (in Line 16 of Form1.vb)
2. Method arguments must be enclosed in parentheses (in Line 16 of Form1.vb)
3. Name 'sd-insertNewRecord' is not declared. (in Line 16 of Form1.vb)
4.Comma, ')', or a valid expression continuation expected (in Line 16 of Form1.vb)
5. Expression expected (in Line 16 of Form1.vb)
============================================================
I know that "EXEC sp_insertNewRecord 6, 'Craig', 'Utley', '5577 Baltimore Ave',
'Ellicott City', 'MD', '21045', 'CraigUtley@yahoo.com' "in Line 16 of Form1.vb is grossly in error.
But I am new in doing the programming of T-SQL in VB 2005 Express and I am not able to change it.
Please help and advise me how to correct these problems.
Thanks in advance,
Scott Chang
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Jan 23, 2008
Hi Jonathan Kehayias, Thanks for your valuable response.
I had a hard time to sumbit my reply in that original thread yesterday. So I created this new thread.
Here is my response to the last code/instruction you gave me:
I corrected a small mistake (on Integrated Security-SSPI and executed the last code you gave me.
I got the following debug error message:
1) A Box appeared and said: String or binary data would be truncated.
The statement has been terminated.
|OK|
2) After I clicked on the |OK| button, the following message appeared:
This "SqlException was unhandled
String or binary data would be truncated.
The statement has been terminated."
is pointing to the "Throw" code statement in the middle of
.......................................
Catch ex As Exception
MessageBox.Show(ex.Message)
Throw
Finally
..........
Please help and advise how to correct this problem in my project that is executed in my VB 2005 Express-SQL Server Management Studio Express PC.
Thanks,
Scott Chang
The code of my Form1.vb is listed below:
Imports System.Data
Imports System.Data.SqlClient
Imports System.Data.SqlTypes
Public Class Form1
Public Sub InsertNewFriend()
Dim connectionString As String = "Data Source=.SQLEXPRESS;Initial Catalog=shcDB;Integrated Security=SSPI;"
Dim connection As SqlConnection = New SqlConnection(connectionString)
Try
connection.Open()
Dim command As SqlCommand = New SqlCommand("sp_insertNewRecord", connection)
command.CommandType = CommandType.StoredProcedure
command.Parameters.Add("@procPersonID", SqlDbType.Int).Value = 7
command.Parameters.Add("@procFirstName", SqlDbType.NVarChar).Value = "Craig"
command.Parameters.Add("@procLastName", SqlDbType.NVarChar).Value = "Utley"
command.Parameters.Add("@procAddress", SqlDbType.NVarChar).Value = "5577 Baltimore Ave"
command.Parameters.Add("@procCity", SqlDbType.NVarChar).Value = "Ellicott City"
command.Parameters.Add("@procState", SqlDbType.NVarChar).Value = "MD"
command.Parameters.Add("@procZipCode", SqlDbType.NVarChar).Value = "21045"
command.Parameters.Add("@procEmail", SqlDbType.NVarChar).Value = "CraigUtley@yahoo.com"
Dim resulting As String = command.ExecuteNonQuery
MessageBox.Show("Row inserted: " + resulting)
Catch ex As Exception
MessageBox.Show(ex.Message)
Throw
Finally
connection.Close()
End Try
End Sub
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
InsertNewFriend()
End Sub
End Class
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Mar 12, 2007
Hi,
I want to make a component library in Visual Basic.NET and connect to a remote Sql Server. When I create a new DataSet with the wizard, I can only connect to a .mdf file, but not to a Sql Server. With Visual Web Developer I can connect to a Sql server. What is the difference between these enviroments ? How can I do the same with Visual Basic.NET ?
Thanks in advance.
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Dec 1, 2006
Hello..
I've installed Visual Basic 2005 express edition & tried to connect to SQL Server 2005 express edition. I noticed that VB2005 Express Edition doesn't have any OLEDB provider for SQL Server. The only OLEDB Provider is for M.Access. Is this correct? if so, what should i do if i want to connect SQL Server 2005 express edition with VB2005 express edition by using OLEDB connection type?
I really appreciate any respond from you guys.. Thank's and waiting for the good news..
Best regards,
VITRELLE
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May 15, 2001
I have already created package which loads a text file to database using the dts wizard in Enterprise Manager.How do I execute that package using visual basic?Please provide the Code!!!Thanks
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Jan 19, 1999
I need help.
160821A network error was encountered while sending results to the front end. Check the SQL Server errorlog for more information.
I need help.
Our SQL Server is crashing. The Database is still recovering. I can not kill any Process when the Server crashed. I shoot down and restarted the server. Nothing to do. I can not access to the database. It is recovering. How long? I do not know. What can be the reason of the recovering? Nor the event log of Windows NT or the log files of the SQL SERVER can help me.
Here is a part of the log file
23216Arithmetic overflow error for type %s, value = %f.
10915There are more columns in the INSERT statement than values specified in the VALUES clause. The number of values in the VALUES clause must match the number of columns specified in the INSERT statement.
99/01/19 01:14:25.69 spid25 bufwait: timeout, BUF_IO, bp 0x1bba600, pg 0x11b50, stat 0x801000/0x6, obj 0x23494814, bpss 0x124a2a0
99/01/19 01:14:27.15 ods Error : 17824, Severity: 10, State: 0
99/01/19 01:14:27.15 ods Unable to write to ListenOn connection '.pipesqlquery', loginname 'sa', hostname 'myserver'.
99/01/19 01:14:27.15 ods OS Error : 232, The pipe is being closed.
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Oct 22, 2004
Anyone know any good Visual Basic .NET STep By Step books for an almost beginner.
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Feb 27, 2008
What code can I write so that the output is in US dollars?
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Mar 22, 2007
Greetings,
Firstly, apologies if this topic is out of the scope of this board, but I am stumped.
Basically, we have an old Visual Basic 6.0 application which currently accesses an Access database, but which we would like to upgrade to an SQL compact edition database. I have created the database, but have so far turned up next to no details reagarding how to connect to the damn thing in VB6.
Can anyone help? Or at least point me in the right direction?
Many thanks,
MadSkunk
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Oct 25, 1999
I want to use Visual Basic to create DTS connection. In the example below a connection is created using an ODBC string. However, I would like to make the Connection's DataSource be an OLE-DB provider instead of ODBC. However, I cannot find any information on the syntax for using an OLE-DB provider as the DataSource.
Your help is appreciated.
Les
strODBCdsn = "server1" 'Create a DSN called SQL7 or change name
strUserName = "sa" 'User name assume same source and dest
strPassword = "" 'with the same Password
Set oConnection = oPackage.Connections.New
oConnection.ID = 1
oConnection.DataSource = strODBCdsn
oConnection.UserID = strUserName
oConnection.Password = strPassword
oPackage.Connections.Add oConnection
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Jan 6, 2005
Anyone have any code i can use to call a DTS package from Visual Basic. I would like to have an outlook macro that will run a dts package when i receive an email. All i need is the code that will call a dts package for a sql server that is not local to the box. I've tried this code but i get an error
run_tmie error '-2147217900 (80040e14)' automation error
Public Sub main()
Dim oPkg As DTS.Package2
Set oPkg = New DTS.Package2
oPkg.LoadFromSQLServer MyServerName, MyUserName, MyPassword, , MyDTSPackageName
oPkg.Execute
oPkg.UnInitialize
Set oPkg = Nothing
End Sub
Thanks in advance.
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Jan 3, 2004
Hi experts I am new to SQL Server and have got to do a project using VB & SQL Server. right now i got to prepare case study document wherein i got to mention the pros & cons of using VB+sql server... kindly help me. Thanks in advance.
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Jun 19, 2006
hi
i found these books for learnning sql server
which better to read for Visual Basic Developer ??
http://www.sqlserver2005books.com/1-3805-0735622507-%20Microsoft_SQL_ServerTM_2005_Reporting_Services_Step_by_Step_Step_by_Step_Microsoft.html
------------------------
http://www.sqlserver2005books.com/1-3805-0735622078-%20Microsoft_SQL_ServerTM_2005_Database_Essentials_Step_by_Step_Step_By_Step_Microsoft.html
thank you
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Dec 14, 2006
I use SQL Server 2005 Compact Edition RC1 with Visual Basic 6.0. connection provider that i use is Microsoft.SQLSERVER.MOBILE.OLEDB.3.0. for database management i use SQL Server Management Studio. some query can't execute in visual basic but in sql management studio, that query can run very well. for example:
1. select KodeSatker, KodeSatker + ' - ' + Nama as Nama from TMSatker where len(kodesatker)=3 order by KodeSatker
2. Select a.kdprog, a.nama, b.kodesatker + ' - ' + b.nama as SKPD, a.nonurusan from TMProgram a left join TMSatker b on substring(a.kdprog, 1, len(a.kdprog) - 2) = b.kodesatker
2 query above can run in sql management studio, but in visual basic 6.0, that query have an error.
error msg:run time error '2147217887 (80040e21)':
multiple-step operation generated errors. check each status value
how to solve that problem?
thanks before.
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Jun 1, 2008
I'd like to be able to query a database to get the value of a
certain row. However, I'd like to save this value into a variable
and use them as I'd like, NOT nessessarily display them in a data
control such as a gridview etc. I've been able to find a lot of
information on binding datasourses to predefined data controls, but I
can't find anything on simply querying a database for values and using
those values to display a page as I want.My basic end goal is to create what's basically a shopping site like Amazon only for about 100 or so products.Thanks
in advance for any help. I'm just getting into Visual Web
Developer so please excuse my ignorance and lack of posts.
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Feb 20, 2003
I am creating a program in VB .NET to insert an image in one of the fields in MS SQL2000.
VB variant type DIM'd as "Image", SQL field type is "Image". I cannot get the SQL insert statement to work. I'm trying to get a single insert statement to fill all fields in the row, one of which is image.
error=Operator '&' is not defined for types 'String' and 'System.Drawing.Image'
The '&' symbol is used to concatenate the SQL statements items
Any easy way to store an image?
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Aug 3, 2001
is there any way to use Visual Basic and MSSQL without using ODBC?
please let me know.
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Jan 12, 2005
I have created a rule in outlook to run this Visual Basic Script when I receive a specific email. The codes runs a SQL Server DTS Package that imports data and runs a couple of stored procs. If the DTS package takes a while to execute my outlook will lock up until the entire package is complete. I want to run the DTS package to run but I don’t want the application to remain locked till its complete. Anyone have any ideas of how to get around this....
Public Sub RunTVDTSPackage(Item As Outlook.MailItem)
Dim oPackage As New DTS.Package
On Error GoTo eh
oPackage.LoadFromSQLServer "DummyServerName", "DummyUser", "DummyPSWd", _
DTSSQLStgFlag_Default, _
"", "", "", "Top_Customer - TV", 0
'Execute the Package
oPackage.Execute
'MsgBox oPackage.Description, vbInformation, _
"Re-import Excel sheet."
'Clean up.
MsgBox ("Ran DTS Package")
Set oPackage = Nothing
Exit Sub
eh:
MsgBox Err.Description, vbCritical, _
"Error Running Package"
End Sub
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